Radon Mitigation in Mason

Ground and foundations under Mason homes

Subdivisions built from the 1990s onward routinely went in with a membrane under the floor and a capped pipe running from the aggregate up through the roofline. That was a specification item satisfied at the framing stage, and no reading was ever taken to establish whether it did anything. Another property of this housing stock matters just as much: newer envelopes are markedly tighter than older ones, so whatever does get inside stays there instead of diluting away through the building.

How Radon Systems Are Designed for Mason Homes

Everything turns on whether the bottom of that stack genuinely terminates in the gravel or stops short in the concrete. A pipe set into the pour cannot be rescued by fan selection, and the two situations are entirely different pieces of work — one is a fan, a circuit and a gauge, the other is a full installation that reuses the existing stack only as a chase. Where the connection is sound the fan still has to be chosen against the static pressure that the existing diameter and run length impose, which is not always what would have been specified for a new system.

Routing, discharge, and access in Mason

Activation is short work because the difficult part was done while the slab was open, and attic mounting in these subdivisions is generally straightforward. The stack does need its joints checked at every floor it passes, since a run that leaks into a wall cavity distributes soil gas through the house rather than removing it. Where a basement is due to be finished, doing this while the slab is still bare removes a good deal of later awkwardness.

Mason neighborhoods

• Kings Mills
• Western Row
• Deerfield Township
• Mason-Montgomery corridor

Want to know what would go on your house? Send us the foundation details and we will describe the system it would take, before anyone visits.