Hire a Certified Hemp Insulation Contractor
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
How the Consultation Process Works
From your first call to project completion — here's what to expect when you hire a certified contractor.
Free Consultation
Call or submit a request. We'll discuss your project goals, budget, and timeline.
Site Evaluation
Your contractor evaluates the property — air quality, materials, and structural conditions.
Detailed Proposal
Receive a scope of work, material list, timeline, and transparent cost estimate.
Professional Installation
Certified installers complete the project with lab-verified quality assurance.
Why Certification Matters for Hemp Building
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.
Veteran Owned & Led
Founded by a U.S. veteran committed to protecting families from toxic building materials and ensuring quality craftsmanship.
MHHU-Certified
Every contractor completes rigorous training at Mr Hemp House University — covering GaiaCrete® application, lime systems, and healthy building science.
Nationwide Network
We serve all 50 states for new construction, retrofits, and Home Health Score. Regional expertise with national standards.
Lab-Verified Results
Every project includes air quality testing and lab-verified performance data — not guesswork. You see measurable improvement.
Full-Service Execution
From assessment to materials sourcing to installation — one certified team handles your entire project.
Dedicated Project Manager
Your project gets a dedicated point of contact who coordinates every phase, answers every question, and ensures quality.
What Projects Our Contractors Handle
Whether you're building new or upgrading existing — our certified team handles it.
New Home Construction
Build with GaiaCrete® from the ground up. Full wall systems, insulation, and natural finishes for a truly non-toxic home.
Explore New Home ConstructionInsulation Retrofits
Replace spray foam, fiberglass, or cellulose with GaiaCrete® hempcrete. Upgrade existing walls, attics, and basements.
Explore Insulation RetrofitsHome Health Score
Lab-grade air quality, EMF, water, and mold testing with a personalized action plan — before any construction begins.
Explore Home Health ScoreMold Evaluation & Prevention
Permanent, chemical-free mold solutions using pH 12+ lime and hemp-based materials that make regrowth impossible.
Explore Mold Evaluation & PreventionCommercial & Multi-Family
Schools, offices, apartments, and healthcare facilities — GaiaCrete® installation at scale with project management.
Explore Commercial & Multi-FamilyNatural Finishes & Plasters
Lime plasters, mineral paints, and bio-based sealants — the final layer of a truly healthy building envelope.
Explore Natural Finishes & PlastersWhy Contractors Choose GaiaCrete® Over Conventional Insulation
| 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 |
Hemp Insulation Contractor FAQ
What does a certified hemp insulation contractor do?
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).
How do I hire a GaiaCrete® installer?
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.
What areas do you serve?
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.
How much does hemp insulation installation cost?
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.
Can I retrofit existing walls with GaiaCrete®?
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.
Certified Contractors in All 50 States
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 →The Expert Behind America's Healthy Home Movement
Mr Hemp House™ was founded on a simple premise: every family deserves to know what's in their walls — and to have better options.
Christopher L. Penn — Founder & CEO
Christopher L. Penn spent decades inside homes as a contractor, builder, and problem-solver. He saw mold, moisture damage, poor materials, indoor air problems, and families living in spaces that were never designed around human health. Mr Hemp House™ was created to give families, builders, and communities a better standard.
U.S. veteran and healthy home expert, Christopher leads Homes/Items Scanned Daily and has reviewed 1,579+ building products for hidden toxins (results vary by home and inputs).
"We're not just selling insulation. We're building the infrastructure for an entire category — healthier homes, from the foundation up."
Read the Founder Story →Veteran Owned
U.S. Military Veteran
IMPEL Cohort
Innovation Program
VOSB Certified
Verified Small Business
SAM.gov
Government Registered
Trusted Service
Homeowners & Contractors
VIP Procurement
Federal Cohort
Ready to Get Started?
Request a free contractor consultation, get a project estimate, or apply to join the Mr Hemp House™ dealer network.
Contractors interested in cold-climate work can review the planned Minnesota Healthy Home Project.