radon system installation 3

https://radonreductionhomespress.clearminster.com/posts/a-homeowner-s-guide-to-radon-reduction-in-homes

Installing a radon system involves placing a sub-slab depressurization pipe that runs from the basement gravel layer up through the roofline. A quiet in-line fan creates negative pressure so soil gases are pulled from under the foundation and exhausted safely outside. The technician seals cracks and joints in the concrete floor with caulk and around the sump pump or floor drain, then verifies the system's vacuum pressure and fan operation. After installation, a follow-up radon test confirms the…