Hemp Insulation USA — GaiaCrete™ & Hempcrete
America's healthiest insulation is now available coast to coast. GaiaCrete™ and hempcrete insulation replaces toxic fiberglass and spray foam with a carbon-storing, fire-resistant, naturally mold-resistant alternative that reflects the 100+ year service-life potential documented in hemp-lime research.
Whether you're building new or retrofitting an existing home, our veteran-owned team delivers professional hempcrete / hemp-lime building material installation in all 50 states.
Why Homeowners Across the USA Choose Hemp Insulation
Carbon Negative
Hemp insulation absorbs more CO₂ than it produces. Your walls literally clean the air.
Class A flame spread rating (ASTM E84)
Self-extinguishing with zero toxic fumes. No chemical flame retardants needed.
50% HVAC Savings
Superior thermal mass regulates temperature and humidity naturally, slashing energy bills.
Mold Resistant
high-alkalinity mineral composition lime binder inhibits fungal colonization.
No added VOCs
No formaldehyde, no fiberglass particles, no off-gassing. Just hemp, lime, and water.
100+ year service-life potential documented in hemp-lime research
GaiaCrete™ and Hempcrete petrifies over time, getting stronger decade after decade.
Hemp Insulation vs. Fiberglass & Spray Foam
| Feature | Hemp (GaiaCrete™) | Fiberglass / Spray Foam |
|---|---|---|
| Toxicity | No added VOCs, low-toxicity with no added VOCs where applicable | Off-gasses formaldehyde & isocyanates |
| Fire Safety | Class A flame spread rating (ASTM E84) | Flammable, requires chemical retardants |
| Mold | Naturally mold-resistant | Traps moisture, promotes mold |
| Lifespan | 100+ year service-life potential documented in hemp-lime research | 15-30 years |
| Carbon Impact | Carbon-negative | Carbon-intensive |
| When Wet | Dries out, no replacement needed | Must be ripped out and replaced |
Hemp Insulation FAQ
Is hemp insulation available in the USA?
Yes! Mr Hemp House® provides GaiaCrete™ and hempcrete insulation installation nationwide across all 50 states for new construction and existing home retrofits.
How much does hemp insulation cost?
Costs vary by project size and application. Contact us for a free consultation and custom quote. Most homeowners find long-term HVAC savings offset the initial investment within a few years.
Is hemp insulation better than fiberglass?
Hemp insulation outperforms fiberglass in air quality (no added VOCs), fire resistance (self-extinguishing), moisture management (breathable), and longevity (100+ year service-life potential documented in hemp-lime research vs 20-30 years).