Martens Radon

Golden-based Martens Radon designs and installs radon mitigation in the Denver metro area, Evergreen and the Colorado foothills, led by Ivan, who prices each home in person after a free on-site assessment with a written quote. Licensed under Colorado RMT.0000225. Most jobs are sub-slab depressurization retrofits for slab and basement homes, where a fan continuously draws radon from beneath the slab. Crawlspaces are sealed with a vapor barrier and encapsulated before a fan can pull radon out from underneath. Systems start at $1,400, and activating a passive pipe left by a builder runs $550 to $850. Radon testing is available, and a follow-up test can confirm the new level; most homes drop below 2.0 pCi/L. A manometer and vacuum alarm and lifetime workmanship coverage are included. Rated 5.0 from 36 Google reviews, all five stars.