Montana · IECC Climate Zone 6B-7 · Cold continental and mountain
Healthy Homes for Montana — Chinook Swings, Deep Cold, and Smoke
Virtual Home Health Score assessments statewide. GaiaCrete™ specified in Zone 6B-7 thicknesses for Montana design temperatures. Founding Mr Hemp House® dealer territories open by ZIP code.
Chinook temperature swings
Montana chinooks can move temperatures 40 degrees in a day, driving repeated freeze-thaw and expansion cycles through the envelope.
Zone 7 plains cold
Northern Montana's winter design temperatures expose every thermal bridge and make continuous insulation a health issue, not just a cost one.
Late-summer wildfire smoke
Montana valleys trap regional wildfire smoke for weeks, and homes without filtration track outdoor particulate closely.
What Climate Zone 6B-7 Means for Montana Homes
Montana combines Zone 6B mountain valleys with Zone 7 conditions across the northern plains, where winter design temperatures fall far below zero. Chinook winds swing temperatures dozens of degrees in hours, cycling assemblies through freeze and thaw. Smoke from western fires now fills Montana valleys for much of late summer.
Montana adoption of the IRC and IECC (ARM Title 24)
Montana adopts amended I-Codes statewide, with many rural counties relying on state-level enforcement.
Start With Your Home Health Score in Montana
Virtual Healthy Home Assessments available in Montana. 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 Montana
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 Montana
Montana has no certified dealer yet. Founding dealers get territory priority, training, and direct GaiaCrete™ supply as the platform expands.
Claim the Montana territoryCredentials Behind Every Montana 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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