Roof Top Radon Fan

The upblast roof mount fan uses a butterfly type damper and rain gutter design so that when the fan is off no rain can enter the building.

Roof top radon fan.

The radonaway rp145c radon fan is built to resist moisture and can be mounted inside or outside on a 3 in. Cut a piece of pipe long enough to end up with at least 12 sticking up above the roof. Radon is an odorless gas that results from decaying uranium. Schedule 40 pvc vent pipe using 3 in.

The fully sealed plastic fans feature backward inclined centrifugal blower motors capable of handling up to 1 of static pressure. As you can see from my selection of top 5 radon fans they come in different power and cfm ratings. It is an invisible gas that possesses natural radioactive decay and can be very harmful if trapped in buildings. The radon fan is the most important part of the radon mitigating system.

Most often this part is attached to the exterior walls of your building but this can also be connected in the attic if you prefer an internal system. Using a good quality roof caulk apply a thick bead around the entire hole. Insert the pipe into the flashing so it s flush with the bottom. This radon fan is designed for moderate to good air flow working most effectively with sub slab or sub material conditions ranging from about 4 in.

Prf fans are specifically designed for radon mitigation. The rubber coupling on the top of the fan can be seen just a few inches below the roof deck. The prf series feature duct lips sized for an easy fit with standard pvc couplings typically used in radon mitigation applications.