Site Dynamics & Mountain Engineering in Highlands, NC

Condensation bypass drain loops installed on US-64 protect radon fan motors from trapped mountain moisture in Highlands, NC.

Perforated 4-inch corrugated pipe loops are buried beneath crawlspace vapor barriers to collect radon gas evenly.

Radon systems installed on historical homes must coordinate exterior pipe placement with local historic preservation guidelines.

Active sub-slab depressurization on US-64: Core-drilled slab and installed RadonAway fan, dropping radon from 24.2 to 1.1 pCi/L in Highlands, NC.
Crawlspace encapsulation near Cullasaja River headwaters: Sealed 2,000 sq ft dirt crawlspace with 20-mil barrier and sub-membrane vacuum in Macon Crest.
Passive-to-active upgrade beneath Highlands Plateau crest: Converted builder rough pipe with inline exterior fan and U-tube manometer in Highlands, NC.
48-hour electronic radon test on US-64: Delivered NRPP-certified continuous test report for real estate closing in Highlands, NC.

EPA Zone 1 Radon Action in Highlands, NC: High-uranium bedrock along US-64 demands active soil depressurization and sealed crawlspace barriers.

NRPP-Certified Diagnostics in Highlands, NC: All radon testing, sub-slab core drilling, and fan systems adhere strictly to ANSI/AARST standards.

Core-drilling concrete slabs and installing continuous exterior vacuum fans in Highlands, NC.

Airtight 20-mil vapor barrier encapsulation and sub-membrane radon suction in Macon Crest.

Point-of-entry bubble aeration tanks removing dissolved radon from private wells in Highlands, NC.

Calibrated electronic radon monitors delivering certified hourly readings along US-64.

Adding inline fans, manometers, and failure alarms to builder-installed passive pipes in Highlands, NC.

Highlands, NC