Oklahoma · IECC Climate Zone 3A-4A · Warm-humid to semi-arid
Healthy Homes for Oklahoma — Tornado Corridor, Hail, and Dry Wind
Virtual Home Health Score assessments statewide. GaiaCrete™ detailed for Oklahoma's Zone 3A-4B range and UBCC minimum codes. Founding Mr Hemp House® dealer territories open by ZIP code.
Tornado corridor exposure
Oklahoma leads the nation in violent tornado frequency, so wind resistance and safe-room planning are baseline conversations, not upgrades.
Hail and driving rain
Oklahoma hail seasons damage roofs and cladding annually, and the driving rain behind the storm finds every opening.
Induced seismic activity
Parts of central Oklahoma have experienced increased earthquake activity, adding cracking and joint-opening risk to older envelopes.
What Climate Zone 3A-4A Means for Oklahoma Homes
Oklahoma runs Zone 3A in the humid southeast to Zone 4B in the dry Panhandle, so a single state code covers two moisture regimes. It also sits at the center of the most active tornado corridor in the country, with hail and straight-line wind adding to the annual toll. Induced seismicity in parts of the state has introduced earthquake considerations that were absent a generation ago.
Oklahoma Uniform Building Code Commission adoption of the IRC and IECC
Oklahoma sets statewide minimum residential and energy codes through the UBCC, with local enforcement.
Start With Your Home Health Score in Oklahoma
Virtual Healthy Home Assessments available in Oklahoma. In-person coverage expanding.
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™ Insulation & Building Solutions in Oklahoma
GaiaCrete™, a hempcrete alternative, is Mr Hemp House®'s bio-based hemp-lime building material — used for new construction, retrofits, and insulation upgrades. It is one offering inside the platform, alongside the Home Health Score and Healthy Home Assessment.
- Thermal performance R-2.5+ per inch
- Class A surface burning characteristics (ASTM E84)
- Mold-resistant at pH 12+
- 100% Biobased Carbon Content (ASTM D6866-22)
- Vapor-permeable, 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 Oklahoma
Oklahoma has no certified dealer yet. Founding dealers get territory priority, training, and direct GaiaCrete™ supply as the platform expands.
Claim the Oklahoma territoryCredentials Behind Every Oklahoma 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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