Before & After Photos

ALS Radon & Environmental installed a radon gas mitigation system at a residential home in Grand Rapids, MI. A sub-slab depressurization radon system was used on this home. The soil under the slab was mostly clay. A GX4 radon away fan was installed to help with suction because of the tight clay soil. Schedule 40 piping was installed and vented safely above the roof line.

ALS Property Associates completed a radon gas mitigation system installation at a residential property in Grand Rapids, MI. A sub-slab depressurization radon system was used on this home. Schedule 40 piping was run from the basement extraction point to the exterior of the home. The radon fan was installed on the side exterior and vented above the roof line.

ALS Property Associates installed a radon mitigation system at a residential property in Comstock Park, MI. A sub-slab depressurization radon system was used. Schedule 40 piping was run from the extraction point in the basement to the exterior of the home. The radon fan was installed on the side exterior and vented above the roof line. A premium sump pump cover was also used to seal radon gas.

This is an example of a combination depressurization radon mitigation system. We encapsulated the crawlspace located off the basement and successfully created negative pressure under both the CleanSpace vapor barrier and basement slab. This before and after is documenting the vapor barrier with the extraction point extraction the radon gas from under the membrane. 

ALS Property Associates installed a radon mitigation system at a residential property in Sturgis, MI. A sub-slab depressurization radon system was used on this property. Schedule 40 piping was run from the basement to the side exterior of the home. The radon fan was installed on the exterior and vented above the roof line. An exterior cover was installed and proper permits were completed for the city of Sturgis, MI.