When new homeowners moved into their Lake George, CO home, they discovered radon levels at 5 pCi/L, with a significant source being the unsealed crawlspace. To address this, Purple Mountain Radon implemented a sub-membrane depressurization system. The process included installing a gas mat on the crawlspace floor, encapsulating the space with a durable 6.5 mil vapor barrier, and mechanically fastening it to prevent tears. The barrier was securely sealed to the walls, creating an airtight space, and a radon suction point was installed at the exterior rim joist. The result was a significant reduction in radon exposure, giving the new homeowners peace of mind. If you’re concerned about radon in your home, contact Purple Mountain Radon today to learn how our proven solutions can help!
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