The Healthy Home concept
A home built and finished so the air inside is cleaner than the air outside — using materials that breathe, never off-gas, and resist mold for the life of the building.
See The Transformation
From traditional wall systems to healthier living.
What Is Really Behind Your Walls?
Transforming Empty Cavities Into Healthy Walls
Beautiful. Breathable. Built For Health.
The 4 pillars
Clean indoor air
Eliminate VOCs, formaldehyde, and off-gassing from synthetic materials so every breath is clean.
No moisture, no mold
Vapor-open walls and natural materials keep walls dry and prevent hidden mold for the lifetime of the home.
Non-toxic materials
Lime, hemp, mineral paints, and natural fibers replace petrochemicals, flame retardants, and PFAS.
Healthy systems
Right ventilation, filtered water, low-EMF wiring, and safer cleaning swaps support the building.
The materials
Every healthy home starts with the right materials. These four replace 90% of what's toxic in modern construction.
GaiaCrete® hempcrete alternative
Vapor-open, mold-resistant, naturally insulating wall system that replaces spray foam.
Lime plaster
High-pH (12.4) breathable finish that resists mold and regulates humidity.
Mineral paints
Zero-VOC silicate paints that bond to lime and never off-gas.
Natural fiber insulation
Hemp, wool, and cellulose alternatives to fiberglass and spray foam.
The Poisoned Home
Christopher Penn's book exposes what's actually in the average American home — and how to fix it. Required reading for anyone serious about a healthy home.
Get the book on Barnes & NobleReady to test your home?
Mr Hemp House Pro unlocks the full Home Health Score — 12 categories, A–F score, room-by-room plan.
See pricing