Delaware · IECC Climate Zone 4A · Mixed-humid coastal plain
Healthy Homes for Delaware — Wet Crawlspaces and Long Humid Seasons
Virtual Home Health Score assessments in all three counties. GaiaCrete™ detailed for Delaware's Zone 4A coastal plain and shallow groundwater. Founding Mr Hemp House® dealer territories open by ZIP code.
High water table and crawlspaces
Shallow groundwater across Delaware's coastal plain keeps crawlspaces and slab edges damp, feeding mold under otherwise sound houses.
Long humid season
Delaware's cooling season runs humid from May into October, and air conditioning alone rarely pulls indoor relative humidity into a healthy range.
Coastal storm and salt exposure
Rehoboth to Lewes construction takes nor'easter rain and salt aerosol that shorten the life of cladding and fasteners.
What Climate Zone 4A Means for Delaware Homes
Delaware sits entirely on the Atlantic coastal plain in Zone 4A, with a shallow water table under much of Sussex and Kent counties. Summer dew points stay high for months while winters are mild enough that houses never fully dry out through a heating cycle. Crawlspaces and slab edges are where that shows up first.
Delaware Energy Conservation Code (Title 16, Ch. 76)
Delaware adopts the IECC statewide, with local jurisdictions administering permits and inspections.
Start With Your Home Health Score in Delaware
Digital Home Health Score screening is available nationwide. In-person Professional Healthy Home Assessments are not yet scheduled in Delaware. Contact Mr Hemp House® for current product, dealer, consultation, and installation availability. Availability varies by market.
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™ Hempcrete / Hemp-Lime Building Materials in Delaware
GaiaCrete™ is Mr Hemp House's hempcrete / hemp-lime building material alternative. It is used for new construction, retrofits, and insulation upgrades as one part of the Mr Hemp House® platform, alongside the Home Health Score and Healthy Home Assessment.
- Thermal planning reference R-2.5+ per inch
- Class A surface burning characteristics (ASTM E84) — material behavior, not an hourly assembly rating
- Alkaline mineral composition may be less conducive to some biological growth conditions
- 100% Biobased Carbon Content (ASTM D6866-22)
- Vapor-permeable, hygroscopic, 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 Delaware
Delaware has no certified dealer yet. Founding dealers get territory priority, training, and direct GaiaCrete™ supply as the platform expands.
Claim the Delaware territoryCredentials Behind Every Delaware 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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