sub-slab depressurization 4

https://threadvistax.com/s/cwbasOVODQMopchjGQW1I

Sub-slab depressurization works by pulling soil gases from beneath a concrete slab using a fan and vent pipes, which is essential for controlling radon or vapor intrusion. It's a practical setup often installed during new construction or retrofitted, and the key is that the system constantly lowers pressure under the slab so those gases don't seep into the living space. I've seen it done in basements and crawlspaces, and it really helps keep indoor air quality safe, especially in areas with hig…