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-negative, fire-resistant, naturally mold-proof alternative that lasts 100+ years.
Whether you're building new or retrofitting an existing home, our veteran-owned team delivers professional hemp insulation 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.
4-Hour Fire Rating
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 Impossible
pH 12+ lime binder makes mold growth physically impossible — permanently.
Zero VOCs
No formaldehyde, no fiberglass particles, no off-gassing. Just hemp, lime, and water.
100+ Year Lifespan
Gaiacrete™ and Hempcrete petrifies over time, getting stronger decade after decade.
Hemp Insulation vs. Fiberglass & Spray Foam
| Feature | Hemp (Gaiacrete™) | Fiberglass / Spray Foam |
|---|---|---|
| Toxicity | Zero VOCs, low-toxicity with no added VOCs where applicable | Off-gasses formaldehyde & isocyanates |
| Fire Safety | Self-extinguishing, 4-hour rating | Flammable, requires chemical retardants |
| Mold | Naturally mold-proof | Traps moisture, promotes mold |
| Lifespan | 100+ years | 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+ years vs 20-30 years).