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active sub-slab depressurization 6

https://myradonassessmenthomepro.fotosdefrases.com/why-a-professional-radon-assessment-home-buyers-should-never-skip

Active sub-slab depressurization involves a fan system installed to draw soil gases, like radon, from beneath a building's concrete slab and vent them safely outside. The fan creates negative pressure under the slab, preventing gases from seeping through cracks into living spaces. This method is common in homes where high radon levels are detected, offering a continuous solution to maintain indoor air quality.