Radon Vent Pipe Size

A 3 pvc pipe is the minimum permitted.
Radon vent pipe size. Although serving a different purpose this vent pipe. See the guide radon fan. This will be boosted using a 150 cfm 67 watt in line fan installed in the attic near the end of. Another important aspect of the radon piping installation is that it must vent 12 above a roof of the building not highest roof or above the peak is required also the pipe must be at least 10 feet from any windows or skylights that can be opened this can be disregarded if the pipe is 2 above the opening.
4 is always recommended when high air flows are anticipated from. Install an active radon vent system consisting of an in line fan installed in a vertical vent pipe extending up from a sub slab collection pipe or mat through the conditioned space of the home and through the roof that uses the fan to pull soil gases up and out of the house. Run a 3 inch or 4 inch solid pvc schedule 40 pipe like the ones commonly used for plumbing vertically from the gravel layer stubbed up when the slab is poured through the house s conditioned space and roof to safely vent radon and other soil gases outside above the house. Unfortunately pds does not take returns on diy fan installs.
When in doubt you can never go wrong using 4 pvc schedule 40 dwv white drain and vent pipe. When the liquid level drops the system isn t working. Find a good location in your foundation to drill. Black abs pipe is perfectly fine too.
Install either a complete loop of perforated 4 piping laid into the gravel around the interior of the footer or if the basement is under 1000 sf install 20 feet of perforated pipe out into the center. It is for this reason that it s impossible to size a radon fan before the building is completed and a radon level has been established. Maintain a proper slope for condensate drain back. Radon vent pipe size what is the proper radon vent pipe size to use.
Use 40 dwv for strength. Venting to exterior will be accomplished using approximately 12 lineal feet of horizontal and 28 lineal feet of vertical piping. With this information pds can help you size a fan by phone. 4 pipe will give you the flexibility to use a wide variety of radon fans.
Keep the vent supported every 8 inches vertically and 6 inches horizontally. Check out some basic requirements for running a radon vent pipe. One option is a liquid filled manometer 10 to 30 online mounted on the pvc pipe. The line ties into a sealed sump.
The intake outtake hole size of your radon mitigation fan will dictate the size of the pvc pipe you should buy. Pds phone estimations are just that. The safety siren radon detector for example sounds an alarm when radon levels become dangerous 130 online. An ideal spot is near a wall that you can bracket the pvc piping to.