Virginia · IECC Climate Zone 4A · Mixed-humid, coastal to mountain
Healthy Homes for Virginia — Tidewater Water, Humidity, and Radon
Virtual Home Health Score assessments statewide. GaiaCrete™ detailed for Virginia's Zone 4A humidity and coastal flood provisions. Founding Mr Hemp House® dealer territories open by ZIP code.
Tidewater flooding and subsidence
Hampton Roads has some of the fastest relative sea-level rise on the East Coast, so Virginia coastal homes face repeated wetting at grade.
Long humid cooling season
Virginia summers keep dew points high into September, and short-cycling air conditioners leave indoor humidity where mold thrives.
Piedmont and karst radon
Radon potential across Virginia's Piedmont and valley counties is high enough that testing belongs in any healthy-home baseline.
What Climate Zone 4A Means for Virginia Homes
Virginia runs from Hampton Roads tidewater, where recurrent flooding and land subsidence are documented, up to Blue Ridge counties with real winter. The dominant Zone 4A climate means long humid summers and heating loads in the same year. Karst and Piedmont geology give parts of the state elevated radon potential.
Virginia Uniform Statewide Building Code (USBC)
The USBC adopts the IRC and IECC with Virginia amendments and preempts stricter local codes.
Start With Your Home Health Score in Virginia
Digital Home Health Score screening is available nationwide. In-person Professional Healthy Home Assessments are not yet scheduled in Virginia. Contact Mr Hemp House® for current product, dealer, consultation, and installation availability. Availability varies by market.
Home Health Score
A free screening that scores your home across indoor air quality, moisture and mold risk, building materials, and ventilation — so you know where to look first.
Healthy Home Assessment
A professional walkthrough of materials, moisture conditions, and ventilation, delivered as a prioritized action plan. Screening and guidance — not a medical or diagnostic service.
One part of the platform
GaiaCrete™ Hempcrete / Hemp-Lime Building Materials in Virginia
GaiaCrete™ is Mr Hemp House's hempcrete / hemp-lime building material alternative. It is used for new construction, retrofits, and insulation upgrades as one part of the Mr Hemp House® platform, alongside the Home Health Score and Healthy Home Assessment.
- Thermal planning reference R-2.5+ per inch
- Class A surface burning characteristics (ASTM E84) — material behavior, not an hourly assembly rating
- Alkaline mineral composition may be less conducive to some biological growth conditions
- 100% Biobased Carbon Content (ASTM D6866-22)
- Vapor-permeable, hygroscopic, no added VOCs
- Net carbon sink by design
Actual thermal performance varies by formulation, density, moisture content, installation method, and complete wall assembly. Final whole-wall thermal performance depends on the complete assembly, including material density, framing, finishes, thermal bridging, moisture conditions, and installation.
Be the First Mr Hemp House® Certified Dealer in Virginia
Virginia has no certified dealer yet. Founding dealers get territory priority, training, and direct GaiaCrete™ supply as the platform expands.
Claim the Virginia territoryCredentials Behind Every Virginia Project
Mr Hemp House® was founded in 2018 in Orlando, Florida.
Veteran-Founded, Veteran-Owned
Founded and owned by a U.S. military veteran.
SBA VOSB Certified
SAM.gov Registered
Active registration in the System for Award Management.
IMPEL Cohort
DOE / Lawrence Berkeley National Laboratory Innovation Program cohort.
VIP Procurement Cohort
Veteran Institute for Procurement graduate.
DOE Zero Energy Ready Home Partner
U.S. Department of Energy Zero Energy Ready Home program partner.
Beta Analytic Verified Testing
ISO/IEC 17025-accredited testing — 100% Biobased Carbon Content per ASTM D6866-22 (Certificate #531872642609133657, October 2022).
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