Insert the pipe into the flashing so it s flush with the bottom.
Roof top radon fan.
Prf fans are specifically designed for radon mitigation.
A radon fan is specially made to mitigate the radon levels in your home.
Cut a piece of pipe long enough to end up with at least 12 sticking up above the roof.
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.
As you can see from my selection of top 5 radon fans they come in different power and cfm ratings.
The rubber coupling on the top of the fan can be seen just a few inches below the roof deck.
Schedule 40 pvc vent pipe using 3 in.
Of clean size 4 6 gravel to very loose soil.
It is an invisible gas that possesses natural radioactive decay and can be very harmful if trapped in buildings.
The upblast rooftop fan ejects the air from the building straight up into the atmosphere while a downblast roof fan ejects the air downward to the roof by using a bell shaped cap on the top of the fan.
Radon is an odorless gas that results from decaying uranium.
Using a good quality roof caulk apply a thick bead around the entire hole.
The radon fan is the most important part of the radon mitigating system.
The fully sealed plastic fans feature backward inclined centrifugal blower motors capable of handling up to 1 of static pressure.
The radonaway rp145c radon fan is built to resist moisture and can be mounted inside or outside on a 3 in.