Looking to build or retrofit with non-toxic materials? We can help you find a healthy home construction contractor in your area.
Free project consultation · Transparent pricing · Lab-verified quality
From your first call to project completion — here's what to expect when you hire a certified contractor.
Call or submit a request. We'll discuss your project goals, budget, and timeline.
Your contractor evaluates the property — air quality, materials, and structural conditions.
Receive a scope of work, material list, timeline, and transparent cost estimate.
Certified installers complete the project with lab-verified quality assurance.
Hemp insulation isn't like conventional materials. Proper training in mix ratios, curing, moisture management, and application is critical. Our contractors are MHHU-certified and field-tested.
Founded by a U.S. veteran committed to protecting families from toxic building materials and ensuring quality craftsmanship.
Every contractor completes rigorous training at Mr Hemp House University — covering GaiaCrete® application, lime systems, and healthy building science.
We serve all 50 states for new construction, retrofits, and healthy home assessments. Regional expertise with national standards.
Every project includes air quality testing and lab-verified performance data — not guesswork. You see measurable improvement.
From assessment to materials sourcing to installation — one certified team handles your entire project.
Your project gets a dedicated point of contact who coordinates every phase, answers every question, and ensures quality.
Whether you're building new or upgrading existing — our certified team handles it.
Build with GaiaCrete® from the ground up. Full wall systems, insulation, and natural finishes for a truly non-toxic home.
Learn more →Replace spray foam, fiberglass, or cellulose with GaiaCrete® hempcrete. Upgrade existing walls, attics, and basements.
Learn more →Lab-grade air quality, EMF, water, and mold testing with a personalized action plan — before any construction begins.
Learn more →Permanent, chemical-free mold solutions using pH 12+ lime and hemp-based materials that make regrowth impossible.
Learn more →Schools, offices, apartments, and healthcare facilities — GaiaCrete® installation at scale with project management.
Learn more →Lime plasters, mineral paints, and bio-based sealants — the final layer of a truly healthy building envelope.
Learn more →| Feature | GaiaCrete® | Spray Foam | Fiberglass |
|---|---|---|---|
| Off-Gassing | Zero VOCs | 20+ years | Low but present |
| Mold Risk | Impossible (pH 12+) | Traps moisture | 24–48hr mold growth |
| Fire Rating | Up to 4 hours | Burns with toxic smoke | Melts |
| Lifespan | 100+ years | 20–30 years | 15–20 years |
| Carbon Impact | Carbon negative | High embodied carbon | Moderate |
| Indoor Air | Actively purifies | Degrades air quality | Neutral |
A certified contractor installs GaiaCrete® hempcrete, natural lime plasters, and non-toxic building materials. They handle new construction, retrofits, and healthy home upgrades — trained and certified through Mr Hemp House University (MHHU).
Contact Mr Hemp House for a free consultation. We'll evaluate your project, match you with a certified contractor in your area, and provide a detailed scope and estimate.
Mr Hemp House contractors serve all 50 states. We match you with the closest certified installer and can coordinate travel for larger or specialty projects.
Costs vary by project scope — a basic insulation retrofit may start at a few thousand dollars while full new-build systems are priced per square foot. Every project gets a free, detailed estimate before work begins.
Yes. GaiaCrete® is designed for both new construction and retrofits. Our contractors specialize in upgrading existing homes by replacing toxic insulation with non-toxic hempcrete.
No matter where you're building or retrofitting, we'll match you with a certified GaiaCrete® installer in your area. Regional expertise, national quality standards.
View all service areas →Mr Hemp House™ was founded on a simple premise: every family deserves to know what's in their walls — and to have better options.
U.S. veteran, healthy home expert, and the driving force behind the Mr Hemp House™ ecosystem. Christopher has led the evaluation of 619+ homes and 1,579+ building products for hidden toxins — achieving a 94% risk-detection rate.
His mission: make healthy, non-toxic building materials accessible to every American family — starting with better diagnostics, better materials, and better contractors.
"We're not just selling insulation. We're building the infrastructure for an entire category — healthier homes, from the foundation up."
Read the full story →Veteran Owned
U.S. Military Veteran
IMPEL Cohort
Innovation Program
VOSB Certified
Verified Small Business
SAM.gov
Government Registered
4.9 / 5 Rating
47 Verified Reviews
VIP Procurement
Federal Cohort
Request a free contractor consultation, get a project estimate, or apply to join the Mr Hemp House™ dealer network.
Schedule a consultation or take our assessment to learn how we can help.