GaiaCrete® breathes with the PNW climate — permanently mold-proof, carbon-negative, and exceeds Washington's energy codes.
Washington's persistent rain and moisture destroy conventional insulation from the inside out.
Hygroscopic walls breathe with Seattle's rain. No trapped moisture, no rotting walls, no hidden mold.
pH 12+ makes mold impossible — essential for the Pacific Northwest's year-round dampness.
Sequesters more CO₂ than it produces. Supports Washington's Clean Energy Transformation Act.
Unlike spray foam that seals moisture in, GaiaCrete® lets walls dry naturally in both directions.
Thermal mass is ideal for WA's moderate temperature range — consistent comfort, lower energy bills.
Meets Washington's strict energy codes. Thermal mass performs beyond what R-value alone measures.
| Feature | GaiaCrete® Hempcrete | Spray Foam | Fiberglass |
|---|---|---|---|
| Moisture Handling | Breathable, hygroscopic | Traps moisture inside | Absorbs and holds water |
| Mold Resistance | Impossible (pH 12+) | Hidden mold risk | Mold in 24-48hrs |
| Carbon Footprint | Carbon negative | High embodied carbon | Moderate carbon |
| Wall Drying | Dries both directions | One-way only | Cannot dry |
| Energy Code | Exceeds WA code | Meets minimum | Meets minimum |
| Lifespan | 100+ years | 20-30 years | 15-20 years |
| PNW Climate Fit | ★★★★★ | ★★☆☆☆ | ★☆☆☆☆ |
GaiaCrete® is ideal for the Pacific Northwest. Its hygroscopic properties manage Washington's constant moisture, its pH 12+ makes mold impossible, and breathable walls prevent the trapped moisture that plagues conventional PNW homes.
GaiaCrete® meets and exceeds Washington's strict energy codes. Its thermal mass provides effective insulation beyond what R-value alone measures, and its carbon-negative profile supports WA's clean energy goals.
Mr Hemp House serves all of Washington — Seattle, Tacoma, Spokane, Bellevue, Olympia, and statewide. Call (740) 300-1565.
State programs and resources for healthier, more energy-efficient Washington homes.
Free consultation. Built for PNW climate. Veteran-owned.
Washington's seasonal temperature swings stress insulation and trap indoor pollutants. Take our free 5-minute assessment to check your home's air quality, mold risk, and insulation health.
Browse Washington city pages, core services, and expert guides.
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