Under the Hood
The Building Science Behind a Whitehawk Home
Most homeowners do not need to become building scientists to enjoy a quieter, healthier, more resilient home.
But some people want to understand what is happening beneath the architecture—how the structure carries loads, how the enclosure controls heat and moisture, how fresh air is introduced, and how hundreds of components must work together.
Under the Hood explains the principles behind the proposed Whitehawk Home standard, the systems WHITEHAWK ICF is evaluating, and the process we plan to use to turn promising products into one coordinated home.
We have established the direction. We are still selecting and verifying the best-fit components.
HawkCore, HawkAir, the six-sided concrete enclosure, and continuous control layers define the direction of a Whitehawk Home. The exact ICF system, reinforcement strategy, waterproofing assembly, window package, ventilation equipment, and other components will be selected through engineering, technical review, project requirements, product availability, supplier support, and verification.
What Is Established—and What We Are Still Evaluating
A premium standard should be clear about its principles without pretending every component has already been selected.
WHITEHAWK ICF has established the direction of the Whitehawk Home. We are now evaluating the materials, manufacturers, assemblies, and equipment that can best fulfill it.
The Whitehawk Home Direction
- Six-sided reinforced, insulated-concrete HawkCore enclosure
- Fully insulated concrete floor or slab, four exterior ICF walls, and a reinforced insulated-concrete roof
- No structural wood in the exterior enclosure
- Connected structure from foundation to roof
- Mandatory storm-resilient openings (impact-rated windows and doors, enhanced garage doors)
- Continuous water, air, vapor, and thermal-control layers
- Mandatory HawkAir approach
- Balanced ventilation and humidity management
- Project-specific engineering
- Testing, documentation, and commissioning
- Premium architecture and craftsmanship
- Accessibility evaluated from the beginning
- Design for durability and long-term ownership
Components Under Evaluation
- ICF form system and manufacturer
- Reinforcement strategy
- Concrete mix and supplementary technologies
- Roof forming and insulation assembly
- Waterproofing and drainage products
- Window and door manufacturer and product selection
- ERV or HRV equipment
- Dehumidification and filtration equipment
- Air-sealing products
- Monitoring, testing, and commissioning tools
- Supplier relationships
- Trade-partner training and capability development
The performance standard should drive the product selection—not the other way around.
How to read the labels on this page
These labels appear where they clarify the difference between a settled principle and a decision still in progress.
- Status: Core Principle — Established Whitehawk Home design direction
- Established Whitehawk Home design direction
- Status: Proposed Standard — Intended practice, not yet verified through completed projects
- Intended practice, not yet verified through completed projects
- Status: Preferred Candidate — Currently promising, not technically or contractually finalized
- Currently promising, not technically or contractually finalized
- Status: Under Evaluation — Actively being compared against other systems
- Actively being compared against other systems
- Status: Project-Specific — Depends on design, site, engineering, code, budget, or availability
- Depends on design, site, engineering, code, budget, or availability
- Status: Manufacturer-Reported — Claim originating from a product manufacturer
- Claim originating from a product manufacturer
- Status: Verification Pending — Independent or WHITEHAWK ICF-specific evidence not yet completed
- Independent or WHITEHAWK ICF-specific evidence not yet completed
Two Frameworks, Two Different Jobs
What the home faces, and how the home performs
The 4-Element Defense explains what the home is being designed to face. The four building-science control areas explain how the home is intended to perform.
The 4-Element Defense
A planning framework for the threats a home faces from outside and from inside.
Fire
Air
Water
Earth
See how Fire, Air, Water, and Earth map to external and internal threats.
Four Building-Science Control Areas
These are not the four elements. They describe the physics the design team must resolve.
Structure
Loads, reinforcement, connections, and continuity
Heat
Insulation, thermal bridging, solar gain, and thermal mass
Air
Leakage, ventilation, filtration, pressure, and humidity
Water
Rain, groundwater, plumbing leaks, vapor, drainage, and drying
The WHITEHAWK ICF Principle
Status: Core Principle — Established Whitehawk Home design directionA Home Is Four Control Layers, Not a Pinterest Board
A high-performing home is not primarily about materials—it is about control.
Every building needs continuous layers that control:
- Bulk water (rain, groundwater)
- Air (uncontrolled leakage)
- Vapor (diffusion and condensation risk)
- Thermal flow (heat movement)
In many homes these layers are fragmented, interrupted, or handled incidentally by several different trades. That is where humidity swings, dust, hot rooms, moisture risk, odor transfer, pest pathways, and high energy bills tend to originate.
WHITEHAWK ICF intends to design these layers on purpose and then build them to remain continuous from slab to roof.
What we do not plan to do
- Build wood-framed roofs
- Treat air leakage as normal
- Depend on "perfect caulk" as a strategy
- Ignore dew point and moisture behavior in assemblies
- Value speed over permanence
What we are building toward
- Concrete from slab to roof
- Continuous, intentionally designed control layers
- Air and water treated as engineering realities
- Design for decades of ownership, not for closing day
System Overview
Status: Core Principle — Established Whitehawk Home design directionSlab → Walls → Roof: Continuity Wins
Whitehawk Homes are being developed as a continuous insulated-concrete system: a fully insulated concrete slab or floor, four reinforced insulated-concrete exterior walls, and a reinforced insulated-concrete roof. The goal is continuity from the ground beneath the home to the roof above it.
In each of those six sides, the concrete structural element and the continuous insulation assembly are intended to work together. The concrete alone is not the insulation.
A Whitehawk Home is planned as a continuous structure and a continuous enclosure, coordinated through project-specific engineering. Explore the fully insulated concrete slab.
- Structural continuity means fewer weak points under load
- Enclosure continuity means fewer weak points for heat, air, and water to exploit
- Mechanical alignment means HVAC and ventilation designed to match an airtight enclosure, not to compensate for leaks
Performance is not a feature you add later. It is the result of continuity.
The First Side of HawkCore
The Fully Insulated Concrete Slab
Status: Core Principle — Established Whitehawk Home design directionComfort and control should begin beneath the home—not at the walls
Every proposed Whitehawk Home is planned to begin with an insulated concrete floor or slab system.
WHITEHAWK ICF does not intend to pour an ordinary concrete slab and treat insulation beneath or around it as an optional upgrade. The foundation is the first side of HawkCore and the starting point for the home's structural, thermal, air, moisture, and soil-gas control strategies.
The exact assembly will depend on the property, soils, foundation design, structural loads, architecture, climate, code, termite requirements, product documentation, budget, and project-specific engineering. The principle remains consistent: the concrete slab should be continuously insulated and carefully connected to the walls above it.
Concrete above. Continuous insulation below. No forgotten edge around the perimeter.
The Preferred Premium Direction
Status: Preferred Candidate Under Evaluation — Currently promising, not technically or contractually finalizedWhen technically appropriate, WHITEHAWK ICF's preferred direction is a continuous, load-appropriate closed-cell spray polyurethane foam assembly beneath the concrete slab and coordinated at the slab edge.
Spray application may help the insulation follow irregular substrates, reduce joints between insulation panels, and create continuity around complex foundation conditions. But "closed-cell spray foam" is not a complete specification by itself.
Before any product is approved beneath a Whitehawk Home slab, the project team must verify:
- That the specific foam product is approved for below-slab use
- Installed density and compressive strength
- Required insulation thickness
- Long-term thermal performance
- Compatibility with the concrete and foundation design
- Substrate preparation
- Drainage and capillary-break strategy
- Vapor and soil-gas control
- Termite inspection and treatment requirements
- Penetration and transition detailing
- Installer qualifications and quality control
- Applicable code reports and manufacturer instructions
- Structural-engineer and building-science review
- Regional availability and project cost
Ordinary wall or attic spray foam should not be treated as automatically suitable beneath a structural slab. The product and installation must be specifically evaluated for the proposed below-slab application.
Preferred does not mean predetermined.
The performance standard will select the product—not the product name selecting the standard.
Value-Engineered and Project-Specific Alternatives
Status: Alternative Assemblies Under Evaluation — Actively being compared against other systemsClosed-cell spray polyurethane foam may not be the best fit for every property, foundation, supply chain, budget, or construction sequence.
WHITEHAWK ICF is also evaluating continuous subslab-insulation assemblies such as:
Halo Subterra or Subterra Plus
Status: Product Candidate — Actively being compared against other systemsHalo's Subterra product family is designed for below-grade and under-slab applications. A project team may evaluate an appropriately selected Halo assembly when rigid continuous insulation offers the right balance of thermal performance, compressive strength, installation process, vapor or soil-gas coordination, availability, and cost.
Final product type, facing, compressive strength, thickness, joint treatment, and perimeter detailing must follow approved technical documentation and project-specific design.
Not adopted as a universal WHITEHAWK ICF specification. Manufacturer documentation being reviewed: buildwithhalo.com/halo-subterra
Glavel Foamed-Glass Aggregate
Status: Product Candidate — Actively being compared against other systemsGlavel foamed-glass aggregate may offer another approach to the layer beneath the concrete slab by combining insulating aggregate, structural fill, and drainage functions within a coordinated assembly.
It may be evaluated where the site, excavation strategy, foundation design, material availability, embodied-carbon goals, drainage requirements, construction process, and overall project economics support its use.
The required depth, compaction, load capacity, thermal performance, vapor strategy, slab design, perimeter transition, and installation requirements must be determined for the individual project.
Not adopted as a universal WHITEHAWK ICF specification. Manufacturer documentation being reviewed: glavel.com/applications/subslab-insulation
Other Qualified Continuous Insulation Systems
Status: Open Evaluation — Actively being compared against other systemsWHITEHAWK ICF may also evaluate other rigid, spray-applied, modular, or insulating-aggregate systems when they can satisfy the proposed Whitehawk Home performance standard.
A product will not be selected merely because it is familiar or inexpensive. It must fit the complete foundation, enclosure, moisture, soil-gas, termite, structural, installation, and quality-control strategy.
Subject to technical review and project requirements. Industry technical guidance being reviewed: Spray Polyurethane Foam Alliance technical documents
These are not three fixed "good, better, best" packages.
The right assembly depends on the property and complete design. Closed-cell spray foam is WHITEHAWK ICF's current preferred premium direction, but a Halo, Glavel, or other approved assembly may be the more responsible solution for a particular home.
Product statements above summarize manufacturer documentation and industry technical guidance being evaluated. They are not WHITEHAWK ICF test results.
More Than Insulation Beneath Concrete
A fully insulated concrete slab is not created by choosing one insulation product. It requires the project team to coordinate multiple control functions at the same time.
Thermal Continuity
Continuous insulation beneath the occupied floor and careful slab-edge detailing are intended to reduce heat flow into the ground and limit thermal bridging around the perimeter.
Moisture and Vapor Control
The subslab assembly must coordinate drainage, a capillary break, vapor control, penetrations, and slab-to-wall transitions so ground moisture does not become a long-term burden on the home.
Soil-Gas Planning
The foundation design should reduce uncontrolled soil-gas pathways and preserve a practical passive-to-active-ready mitigation path when site evaluation, code, or testing indicates it is appropriate.
Structural Support
The insulation or insulating aggregate beneath the slab must support the loads assigned to it without compromising the structural design. Compressive strength, density, settlement, compaction, and installation quality must be evaluated by the appropriate project professionals.
At the perimeter, the slab insulation must connect thoughtfully with the wall insulation and air, moisture, vapor, and thermal-control layers. A high-performance center section with a weak slab edge is not continuity.
A Proposed Whitehawk Home Insulated-Slab Strategy
Read from the ground upward. Proportions are illustrative only.
Interior floor finish
Selected with the architecture
Reinforced concrete slab
Designed by the project structural engineer
Vapor or soil-gas control layer as required by the selected assembly
Coordinated with penetrations and transitions
Continuous approved below-slab insulation
Preferred direction: qualified below-slab closed-cell spray polyurethane foam
Soil-gas collection or passive-to-active-ready pathway where required
Where site evaluation, code, or testing indicates it is appropriate
Drainage or capillary-break layer where required
Coordinated with the foundation drainage strategy
Prepared and evaluated soil or subgrade
Per geotechnical and structural direction
Slab edge and wall connection
Continuous slab-edge insulation carried around the perimeter and connected to the ICF wall insulation and the water, air, vapor, and thermal-control layers above.
Preferred direction
Qualified below-slab closed-cell spray polyurethane foam.
Alternative directions
Halo Subterra or Subterra Plus, Glavel foamed-glass aggregate, or another approved assembly.
Conceptual building-science diagram—not a construction detail. Final foundation, insulation, vapor, soil-gas, termite, drainage, reinforcement, and transition details require project-specific design and engineering.
What this is intended to mean in daily life
Why WHITEHAWK ICF prefers continuous below-slab insulation · Compare proposed subslab insulation approaches · Insulated-slab questions
Sides two through five
ICF Wall Systems Under Evaluation
Status: Under Evaluation — Actively being compared against other systemsHawkCore requires reinforced insulated-concrete exterior walls. WHITEHAWK ICF is evaluating which ICF system can best support the architecture, engineering, insulation strategy, water management, construction quality, supply chain, and long-term durability required for each Whitehawk Home.
Our current evaluation includes Monolith ICF, Element ICF, and other qualified systems. No manufacturer has yet been adopted as the universal WHITEHAWK ICF standard.
What We Are Evaluating
- Engineering documentation and code compliance
- Concrete-core options
- Insulation type and thickness
- Connection and fastening systems
- Bracing and concrete-placement requirements
- Blowout risk and field stability
- Window and door integration
- Roof and foundation transitions
- Air, vapor, and water-control behavior
- Pest detailing
- Fire-test documentation
- Thermal documentation
- Acoustic documentation
- Availability in Dallas–Fort Worth
- Installer training and technical support
- Manufacturer capacity and long-term supplier stability
- Cost relative to verified value
- Compatibility with the entire HawkCore system
Monolith ICF
Status: Preferred Candidate Under Evaluation — Currently promising, not technically or contractually finalizedMonolith's closed-cell polyurethane ICF system is one of the leading options WHITEHAWK ICF is evaluating. Its material approach and manufacturer-reported performance are relevant to our goals for insulation, moisture resistance, fire planning, build quality, and durability.
Before adoption, WHITEHAWK ICF must evaluate applicable testing, code documentation, engineering compatibility, field installation, regional availability, supplier support, cost, and integration with the complete HawkCore system.
Manufacturer Documentation Being Reviewed
The figures below are published by Monolith Insulated Concrete Forms for its own product and are reproduced here as claims we are reviewing. They are not WHITEHAWK ICF test results, and they have not been independently verified by WHITEHAWK ICF.
- Block strength described as nearly two times that of traditional ICF, citing roughly 1.8× compressive and 1.2× flexural strength
- A "seven-in-one" wall description covering structure, insulation, vapor control, fire, air, sound, and finish-ready surfaces
- 2.5 in (63.5 mm) closed-cell polyurethane panels with polypropylene web studs at 8 in on center
- STC 55+ sound transmission class and a 3+ hour fire resistance rating
- R-38 for the foam layers, with an overall R-65+ performance claim combining foam and concrete behavior
Limitations. Each figure applies to a specific product or tested assembly under specific test conditions. Ratings for sound, fire, and thermal performance are properties of a complete tested assembly, not of a home. Comparing numbers across different assemblies, test standards, and reporting methods can be misleading. Any figure WHITEHAWK ICF eventually relies on must be tied to the applicable test report or code evaluation for the assembly actually specified.
Source: Monolith Insulated Concrete Forms (monolithicf.com), manufacturer-published product literature.
Element ICF
Status: Alternative System Under Evaluation — Actively being compared against other systemsElement ICF is another system WHITEHAWK ICF may evaluate for future projects. Its hybrid form configuration, product flexibility, availability, engineering documentation, construction process, and compatibility with project requirements may make it appropriate for certain homes.
Final selection will depend on the needs of the architecture, engineering, site, construction team, budget, and complete enclosure strategy.
Other qualified ICF systems may also be evaluated. Expanded polystyrene ICF is a mature, widely used technology with extensive code evaluation behind it; the right choice depends on the assembly, the detailing, and the project rather than on a single material category.
What this means in daily life
Side six
The Sixth Side: A Reinforced Insulated Concrete Roof
Status: Core Principle — Established Whitehawk Home design directionFour ICF walls are not the complete HawkCore strategy.
The proposed Whitehawk Home standard requires a reinforced insulated concrete roof so the upper enclosure does not return to conventional structural-wood framing. Depending on the architecture and engineering, the roof may be flat, low-slope, pitched, gabled, hipped, or another suitable form.
The exact forming system, reinforcement, insulation, waterproofing, drainage, finish, geometry, and connections will be selected and engineered for the individual project.
What the roof design must resolve:
- Structural load-path continuity
- Wind-uplift planning
- Windborne-debris considerations
- Fire and ember exposure
- Thermal control
- Acoustic mass
- Roof drainage
- Waterproofing
- Penetrations
- Maintainability
- Architectural flexibility
Super Floor USA — Insulated Super Floor System
Status: Preferred Roof Starting Platform — Currently promising, not technically or contractually finalizedSuper Floor USA's Insulated Super Floor System is WHITEHAWK ICF's preferred starting platform for the reinforced insulated concrete roof and for elevated concrete floors. It begins from the right premise: a reinforced concrete structural deck with insulation integrated into the assembly, rather than a wood-framed roof insulated after the fact.
What the roof platform has to deliver:
- A reinforced concrete structural deck rather than a wood-framed roof
- Continuous insulation integrated with the deck assembly
- Structural continuity with the ICF walls below
- A clean substrate for a coordinated roof waterproofing assembly
- Support for sloped or flat architectural roof forms
- Documented engineering, code evaluation, and installation instructions
- Repeatable field installation with trained crews
This is a preferred candidate and a starting point, not a finalized universal specification. The final roof structure, span strategy, reinforcement, insulation thickness, waterproofing assembly, drainage, geometry, and finishes are set by the architecture, structural engineering, code, budget, and site for each project.
The concrete roof is the committed design direction. The precise roof assembly remains project-specific.
What this means in daily life
Reinforcement Designed for the Structure
Status: Project-Specific — Depends on design, site, engineering, code, budget, or availabilityReinforced concrete is not one universal recipe. The reinforcement required for a Whitehawk Home will be determined by the structural design, loads, geometry, concrete elements, engineering requirements, code, constructability, durability objectives, and approved product documentation.
WHITEHAWK ICF is evaluating advanced reinforcement technologies—including Helix Micro Rebar and MST-BAR GFRP reinforcement—alongside engineer-specified conventional reinforcement and project-specific combinations.
Helix Micro Rebar
Status: Candidate Distributed Reinforcement — Actively being compared against other systemsHelix Micro Rebar is a twisted steel micro-reinforcement added to concrete. WHITEHAWK ICF is evaluating where distributed reinforcement may improve crack control, toughness, construction efficiency, or structural performance.
Its use, dosage, substitution value, and relationship to conventional reinforcement must be supported by the project engineer and applicable technical documentation.
MST-BAR GFRP Reinforcement
Status: Candidate Corrosion-Resistant Reinforcement — Actively being compared against other systemsMST-BAR is a glass-fiber-reinforced polymer reinforcement product being evaluated for applications where corrosion resistance, durability, weight, or other project-specific characteristics may provide value.
Its use must be determined through engineering, applicable codes, technical documentation, compatibility, detailing, availability, and project needs.
WHITEHAWK ICF does not plan to choose reinforcement because one product sounds impressive. The final strategy must make sense as part of the complete structure.
Storm-Resilient Openings Are Mandatory
Status: Core Principle — Established Whitehawk Home design directionA fortified enclosure with ordinary windows is not the standard
Windows and doors interrupt the structure, insulation, air-control layer, and water-control layer. They are where wind pressure, windborne debris, water, and air most often get in.
For that reason, storm-resilient openings are a mandatory part of the proposed HawkCore standard. Every Whitehawk Home is intended to use impact-rated windows, impact-rated or reinforced exterior and glazed doors, and enhanced garage-door systems—not ordinary builder-grade openings installed in a reinforced concrete enclosure.
What the HawkCore opening standard requires
- Impact-rated window and glazed-door assemblies
- Laminated glazing
- Impact-rated or reinforced exterior doors
- Enhanced, reinforced garage-door systems
- Documented design-pressure ratings appropriate to the project
- Documented air and water infiltration performance
- Thermally improved frames and high-performance glazing
- Coordinated buck, flashing, air-sealing, and waterproofing details
What remains project-specific
- Architecture
- Window size
- Orientation
- Wind exposure
- Energy modeling
- Code
- Budget
- Manufacturer documentation
- Engineering
- Manufacturer lead time and supply planning
Andersen Stormwatch
Status: Reference Candidate — Actively being compared against other systemsAndersen's Stormwatch impact-rated products are used here as a reference candidate: they illustrate the level of impact resistance, laminated glazing, documented design pressures, and installation detailing that HawkCore openings are expected to meet.
Naming a reference candidate is not a brand commitment. Other qualified manufacturers may be selected. The requirement is the documented performance level and the quality of the installation detail—flashing, air sealing, bucks, and waterproofing continuity—not a particular label.
Depending on project conditions, the specified package may also include:
- Impact-rated assemblies
- Laminated glazing
- Advanced double-pane or triple-pane glazing
- Thermally improved frames
- High-performance air and water ratings
- Project-specific structural ratings
- Enhanced garage-door systems
- Carefully coordinated installation and flashing
The goal is not to buy the most expensive window. The goal is openings that perform as part of the entire enclosure—and openings that are not the weak point of a fortified home.
Water Management
Status: Proposed Standard — Intended practice, not yet verified through completed projectsConcrete is durable. Water is relentless.
Concrete removes many of the decay risks associated with structural wood, but it does not remove the need to manage rain, groundwater, vapor, plumbing leaks, roof drainage, openings, penetrations, and drying.
WHITEHAWK ICF is developing its water-management approach around continuity rather than one miracle product.
The approach has to address:
- Site drainage
- Grading
- Foundation drainage
- Capillary breaks
- Under-slab vapor control
- Slab-edge transitions
- Wall waterproofing
- Drainage planes
- Flashing
- Window and door integration
- Roof waterproofing
- Roof slopes and drains
- Penetrations
- Plumbing-leak planning
- Leak detection
- Shutoff strategies
- Drying potential
- Material selection
- Inspection and documentation
The HULK System
Status: Preferred Waterproofing Platform — Currently promising, not technically or contractually finalizedThe HULK System is WHITEHAWK ICF's preferred wall-and-foundation waterproofing platform. The reason is continuity: below-grade and above-grade water control are intended to be evaluated as one coordinated platform with consistent details, compatible materials, and a single line of technical support—rather than as unrelated products assembled by whoever shows up.
What a preferred platform has to cover:
- Below-grade foundation and stem-wall waterproofing
- Above-grade ICF wall water control
- Drainage and protection layers
- Detailing at slab-to-wall transitions
- Detailing at window and door openings
- Detailing at penetrations and terminations
- Compatibility with the ICF forms, sealants, and adhesives specified
- Documented warranty, technical support, and installer training
The HULK System is a preferred candidate, not a finalized universal specification. Suitability for any project depends on soil, groundwater, and drainage conditions, foundation design, compatibility with the selected ICF system and its sealants, manufacturer instructions and code evaluation, warranty terms, installer qualification, and building-science review.
Specific membranes, drainage products, sealants, flashing systems, and waterproofing assemblies will be selected according to site conditions, assembly compatibility, manufacturer requirements, design, engineering, supply planning, and installation support. Where an approved alternative performs better for a given project, it will be used.
What this means in daily life
HawkAir: Designing the Air, Not Leaving It to Chance
Status: Core Principle — Established Whitehawk Home design directionDo not just let the house breathe. Control the air.
A tighter enclosure changes the way a home must be ventilated, filtered, dehumidified, pressurized, heated, and cooled.
HawkAir is WHITEHAWK ICF's proposed whole-home approach to coordinating those decisions. It is mandatory in every Whitehawk Home, but the exact equipment package will be selected for the architecture, enclosure, occupancy, climate, ventilation requirements, airflow, budget, serviceability, and project-specific design.
The disciplines HawkAir has to coordinate:
- Air-sealing strategy
- Measured airtightness
- Balanced ventilation
- Filtration
- Dedicated humidity planning
- HVAC load calculations
- Equipment sizing
- Pressure balancing
- Kitchen exhaust and make-up air
- Room-by-room airflow
- Controls and monitoring
- Testing, balancing, and commissioning
- Maintenance access and filter replacement
Zehnder Ventilation Systems
Status: Leading Equipment Candidate — Currently promising, not technically or contractually finalizedZehnder is one of the balanced-ventilation manufacturers WHITEHAWK ICF is evaluating because of its focus on whole-home ventilation, heat and energy recovery, distribution, filtration, and comfort.
WHITEHAWK ICF has not finalized Zehnder as the universal ventilation provider for every Whitehawk Home. Final equipment will depend on design calculations, airflow needs, climate strategy, product support, serviceability, availability, budget, and compatibility with the full HawkAir system.
Other qualified ERV, HRV, filtration, dehumidification, and HVAC technologies may be selected when they better serve the project.
What this means in daily life
Concrete Mixes and Carbon-Reduction Technologies Under Evaluation
Status: Under Evaluation — Actively being compared against other systemsMaterial responsibility over the life of the home
WHITEHAWK ICF plans to evaluate concrete based on structural performance, durability, placement requirements, local production, engineering, mix compatibility, curing, finish requirements, cost, availability, and environmental impact.
Solid Carbon and other mineralization or lower-carbon concrete technologies may be evaluated when they are technically appropriate and available through a qualified regional supplier.
A durable structure is itself a material strategy. A home designed for generations of ownership spreads its material footprint across a far longer service life than a home designed for a shorter one.
Solid Carbon
Status: Potential Concrete Technology — Actively being compared against other systemsSolid Carbon is one technology WHITEHAWK ICF may evaluate as part of a future concrete mix strategy. Its developer describes a process intended to mineralize captured carbon within concrete.
Before specifying it, WHITEHAWK ICF would need to evaluate local availability, mix-design compatibility, engineering acceptance, concrete performance, placement, documentation, cost, and the actual environmental benefit for the project.
The Process
How a Product Earns a Place in a Whitehawk Home
01
Define the Requirement
What problem must the component solve as part of HawkCore or HawkAir?
02
Review the Evidence
What codes, evaluations, test reports, engineering documents, manufacturer data, and field experience support it?
03
Test System Compatibility
How does it interact with the concrete, insulation, air barrier, water layer, structure, finishes, openings, mechanical systems, and adjacent products?
04
Build the Constructability
Can it be installed correctly and repeatedly—and if the capability does not exist locally yet, can WHITEHAWK ICF train, partner, or bring in the capability required to install it right?
05
Confirm Support and Supply Planning
Can the manufacturer or supplier provide technical support, training, documentation, material, replacement components, and long-term service, and can lead times be planned into the schedule?
06
Document the Decision
Why was it selected, where is it used, what limitations apply, and how will installation be inspected or tested?
The goal is not a house filled with impressive products. The goal is one complete system in which every selected product has earned its place.
The Delivery Standard
Building the Capability the Standard Requires
A premium standard cannot be defined by whatever is easiest to source or whoever is easiest to hire. WHITEHAWK ICF plans to build the delivery capability required by the standard—through training, written details, manufacturer partnership, and selective trade partners.
Availability affects the plan. It does not define the standard.
01
Define the Standard First
The performance standard is set by engineering and building science, then the delivery capability is built to meet it.
02
Select Partners Who Want to Build Better
WHITEHAWK ICF intends to work with trade partners, installers, and suppliers who are willing to be trained, measured, and held to written details.
03
Train, Detail, and Document
Written details, preconstruction coordination, manufacturer-led training, and mockups where appropriate turn a specification into repeatable field work.
04
Import Capability When Necessary
When a required capability does not yet exist locally at the needed level, WHITEHAWK ICF intends to develop it, bring it in, or work directly with the manufacturer rather than lower the standard.
05
Plan Around Supply Realities
Lead times, material supply, and crew capacity are scheduling and sequencing problems to be planned for, not reasons to change what the home is.
06
Verify and Improve Each Project
Inspection, testing, and documented lessons from each project are intended to raise the capability available to the next one.
From Promising Products to a Verified Home
Status: Proposed Standard — Intended practice, not yet verified through completed projectsA product name does not verify a home's performance. Design coordination, installation, inspection, testing, and commissioning are what turn materials into a functioning system.
As WHITEHAWK ICF develops its process, verification is expected to include relevant combinations of:
- Structural engineering
- Geotechnical information
- Product submittal review
- Code and evaluation documentation
- Preconstruction coordination
- Trade training
- Mockups when appropriate
- Reinforcement inspection
- Concrete-placement documentation
- Waterproofing inspection
- Window and door installation review
- Penetration and transition review
- Air-barrier testing
- HVAC load calculations
- Airflow measurement
- Ventilation balancing
- Pressure testing
- Humidity-control commissioning
- Equipment startup
- Owner education
- Post-occupancy review where appropriate
The Founders 15 will help WHITEHAWK ICF refine this process, document lessons, and determine which proposed standards become verified company practices.
Optional Systems Designed From the Beginning
Status: Project-Specific — Depends on design, site, engineering, code, budget, or availabilitySome families may choose optional HawkSuite features that need to be coordinated with the structure, electrical system, mechanical design, water systems, or floor plan from the beginning.
Explore optional features such as HawkVault, HawkSource, HawkNest, and HawkSpa to see how they may be evaluated as part of a future Whitehawk Home.
Technical FAQ
Do I need to understand all of this to build with WHITEHAWK ICF?
No. Most families will not read this page. Our job is to define the standard, evaluate the evidence, and coordinate the professionals who design and execute the system. Your job is to choose the standard you want your home built to.
Will a reinforced insulated concrete roof limit architectural style?
No. HawkCore is the structure behind the design, not the design itself. Depending on the architecture and engineering, the roof may be flat, low-slope, pitched, gabled, hipped, or another suitable form, and the home may read as modern, transitional, farmhouse, or traditional.
Has WHITEHAWK ICF selected a single ICF manufacturer?
Not yet. Monolith ICF and Element ICF are among the systems under evaluation, and other qualified systems may also be reviewed. No manufacturer has been adopted as a universal WHITEHAWK ICF standard, and any future adoption will be published as a written update.
Why publish products you have not finalized?
Because the alternative is pretending the decisions are already made. The direction of a Whitehawk Home is settled: HawkCore, HawkAir, the six-sided enclosure, and continuous control layers. The specific components must still earn their place through engineering, evidence, compatibility, constructability, and supplier support.
How will radon and soil gases be addressed?
Soil gas is site-dependent. The proposed slab strategy is designed to reduce pathways into the living space, and passive or active provisions can be planned where site conditions and testing call for them. No slab assembly should be described as eliminating radon.
Is this approach only about severe weather?
No. Resilience matters, but so does everyday life: comfort, quiet, indoor air quality, durability, serviceability, and operating cost. The 4-Element Defense explains what the home is being designed to face. The building-science control areas explain how it is intended to perform.
Will every Whitehawk Home have an insulated concrete slab?
That is the proposed HawkCore principle. Every Whitehawk Home is intended to begin with a fully insulated concrete floor or slab system rather than an ordinary uninsulated slab. The exact insulation material, thickness, foundation design, edge detail, vapor strategy, drainage strategy, soil-gas approach, and installation method will be selected for the individual project.
Does WHITEHAWK ICF plan to use closed-cell spray foam beneath the slab?
Closed-cell spray polyurethane foam is WHITEHAWK ICF's current preferred premium direction for below-slab insulation when the specific product, structural loading, foundation design, code, soil conditions, termite strategy, installer, and complete assembly support it. It has not yet been adopted as a universal product specification. Each proposed installation must be technically reviewed and approved for below-slab use.
Could a Whitehawk Home use Halo beneath the slab?
Yes. WHITEHAWK ICF may evaluate Halo Subterra or Subterra Plus as a continuous rigid below-slab insulation option when the selected product's compressive strength, thickness, facing, joint treatment, installation requirements, availability, and technical documentation fit the project. Halo is a product candidate, not a universal WHITEHAWK ICF specification.
Could a Whitehawk Home use Glavel beneath the slab?
Yes. Glavel foamed-glass aggregate may be evaluated as an insulating subslab aggregate and structural-fill strategy when its thermal, drainage, compaction, load-support, excavation, availability, and project-cost characteristics fit the complete design. The required assembly must be designed and verified for the individual project.
Is closed-cell spray foam always better than rigid board or foamed-glass aggregate?
Not automatically. Closed-cell spray foam is WHITEHAWK ICF's preferred premium direction because of the continuity it may offer, but the best assembly is the one that responsibly satisfies the project's structural, thermal, moisture, soil-gas, termite, constructability, availability, cost, and quality-control requirements. For some projects, Halo, Glavel, or another approved system may be the stronger overall decision.
Which waterproofing system does WHITEHAWK ICF prefer?
The HULK System is WHITEHAWK ICF's preferred wall-and-foundation waterproofing platform because it is intended to be evaluated as one coordinated below-grade and above-grade platform rather than as unrelated products. It is a preferred candidate, not a finalized universal specification. The final assembly for any project depends on soil and drainage conditions, foundation design, compatibility with the selected ICF system, manufacturer instructions, code, warranty terms, installer qualification, and building-science review.
Are impact-rated windows and doors optional in a Whitehawk Home?
No. Storm-resilient openings are a mandatory part of the proposed HawkCore standard. A reinforced insulated concrete enclosure with ordinary openings is not the standard, because openings are where wind pressure, windborne debris, water, and air most often get in. The specific ratings, sizes, glazing, frames, and hardware remain project-specific.
Is Andersen Stormwatch the required window package?
No. Andersen Stormwatch is used as a reference candidate that illustrates the level of impact-rated, laminated-glazing performance HawkCore openings are expected to meet. Other qualified manufacturers may be selected. The requirement is the documented performance level, not a single brand.
How will the reinforced insulated concrete roof be built?
Super Floor USA's Insulated Super Floor System is WHITEHAWK ICF's preferred starting platform for the reinforced insulated concrete roof and elevated concrete floors, because it combines a reinforced concrete structural deck with integrated insulation. It is a preferred candidate rather than a finalized universal specification, and the final roof structure, insulation, waterproofing, drainage, geometry, and finishes are engineered per project.
What if local trades are not used to building this way?
Availability affects the plan. It does not define the standard. Where a required capability does not yet exist locally at the level HawkCore requires, WHITEHAWK ICF intends to train partners, work directly with manufacturers, or bring in the capability. Lead times and crew capacity are scheduling problems to plan around, not reasons to change what the home is.
You Do Not Need to Master the Building Science
Your job is not to compare every form system, reinforcement product, membrane, window, ventilator, or dehumidifier.
Our job is to define the standard, evaluate the evidence, coordinate qualified professionals, and help you understand why the selected system belongs in your home.
A Whitehawk Home should not be a collection of impressive products. It should be one coordinated home designed around your family.