South Carolina · IECC Climate Zone 3A · Hot-humid coastal to upstate
Healthy Homes for South Carolina — Tidal Water, Salt Air, Crawlspaces
Virtual Home Health Score assessments statewide. GaiaCrete™ detailed for South Carolina's Lowcountry salt exposure and Zone 3A cooling season. Founding Mr Hemp House® dealer territories open by ZIP code.
Lowcountry tidal flooding
Charleston and the South Carolina coast experience recurrent tidal and storm-surge flooding that keeps ground-level assemblies wet.
Brackish and salt air corrosion
Salt marsh air along the South Carolina coast corrodes fasteners, flashing, and mechanical equipment faster than inland conditions.
Vented crawlspace condensation
South Carolina's traditional vented crawlspaces condense humid summer air on cool surfaces, a documented source of floor-system mold.
What Climate Zone 3A Means for South Carolina Homes
South Carolina's Zone 3A climate pairs Lowcountry salt marsh humidity with an Upstate that actually gets cold snaps. Charleston-area construction contends with tidal flooding, brackish air, and hurricane landfall risk in the same block. Inland, long cooling seasons and vented crawlspaces do most of the damage.
South Carolina Building Codes Act (IRC and IECC adoption)
South Carolina adopts the I-Codes statewide with amendments, plus high-wind and flood requirements along the coast.
Start With Your Home Health Score in South Carolina
Virtual Healthy Home Assessments available in South Carolina. In-person coverage expanding.
Home Health Score
A free screening that scores your home across indoor air quality, moisture and mold risk, building materials, and ventilation — so you know where to look first.
Healthy Home Assessment
A professional walkthrough of materials, moisture conditions, and ventilation, delivered as a prioritized action plan. Screening and guidance — not a medical or diagnostic service.
One part of the platform
GaiaCrete™ Insulation & Building Solutions in South Carolina
GaiaCrete™, a hempcrete alternative, is Mr Hemp House®'s bio-based hemp-lime building material — used for new construction, retrofits, and insulation upgrades. It is one offering inside the platform, alongside the Home Health Score and Healthy Home Assessment.
- Thermal performance R-2.5+ per inch
- Class A surface burning characteristics (ASTM E84)
- Mold-resistant at pH 12+
- 100% Biobased Carbon Content (ASTM D6866-22)
- Vapor-permeable, no added VOCs
- Net carbon sink by design
Actual thermal performance varies by formulation, density, moisture content, installation method, and complete wall assembly. Final whole-wall thermal performance depends on the complete assembly, including material density, framing, finishes, thermal bridging, moisture conditions, and installation.
Be the First Mr Hemp House® Certified Dealer in South Carolina
South Carolina has no certified dealer yet. Founding dealers get territory priority, training, and direct GaiaCrete™ supply as the platform expands.
Claim the South Carolina territoryCredentials Behind Every South Carolina Project
Mr Hemp House® was founded in 2018 in Orlando, Florida.
Veteran-Founded, Veteran-Owned
Founded and owned by a U.S. military veteran.
SBA VOSB Certified
SAM.gov Registered
Active registration in the System for Award Management.
IMPEL Cohort
DOE / Lawrence Berkeley National Laboratory Innovation Program cohort.
VIP Procurement Cohort
Veteran Institute for Procurement graduate.
DOE Zero Energy Ready Home Partner
U.S. Department of Energy Zero Energy Ready Home program partner.
Beta Analytic Verified Testing
ISO/IEC 17025-accredited testing — 100% Biobased Carbon Content per ASTM D6866-22 (Certificate #531872642609133657, October 2022).
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