Radon Mitigation for Slab-on-Grade Foundations
In order to reduce radon in slab homes, one of four types of soil suction methods are employed: subslab suction, drain-tile suction, sump-hole suction, or block-wall suction.
Active subslab suction — also called subslab depressurization — is the most common and usually the most reliable radon reduction method. One or more suction pipes are inserted through the floor slab into the crushed rock or soil underneath. They also may be inserted below the concrete slab from outside the home.
The number and location of suction pipes that are needed depends on how easily air can move in the crushed rock or soil under the slab and on the strength of the radon source. Often, only a single suction point is needed.
A radon vent fan connected to the suction pipes draws the radon gas from below the home and releases it into the outdoor air while simultaneously creating a negative pressure or vacuum beneath the slab. Common fan locations include unconditioned home and garage spaces, including attics and the exterior of the home.
Understand the Proper Methods of Radon Mitigation for Your Home
Every home is uniquely built and requires the right method for reducing radon. Whether your home is built on a crawl space or slab, call Cook’s Radon today to schedule a Free consultation and analysis. Get the facts about radon and get a Free test kit today.
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Read more: EPA
