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.

Hemp insulation absorbs more CO₂ than it produces. Your walls literally clean the air.
Self-extinguishing with zero toxic fumes. No chemical flame retardants needed.
Superior thermal mass regulates temperature and humidity naturally, slashing energy bills.
pH 12+ lime binder makes mold growth physically impossible — permanently.
No formaldehyde, no fiberglass particles, no off-gassing. Just hemp, lime, and water.
Gaiacrete™ and Hempcrete petrifies over time, getting stronger decade after decade.
| Feature | Hemp (Gaiacrete™) | Fiberglass / Spray Foam |
|---|---|---|
| Toxicity | Zero VOCs, completely non-toxic | 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 |
Yes! Mr Hemp House provides Gaiacrete™ and hempcrete insulation installation nationwide across all 50 states for new construction and existing home retrofits.
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.
Hemp insulation outperforms fiberglass in air quality (zero VOCs), fire resistance (self-extinguishing), moisture management (breathable), and longevity (100+ years vs 20-30 years).
Schedule a consultation or take our assessment to learn how we can help.