Radon Roof Vent Cap

New radon mitigation standards show rain caps are unnecessary and often dangerous for active systems.

Radon roof vent cap.

Illinois emergency management agency does not allow the vent stack to be capped at the top simply because it will interfere with the gas escaping which is what you have a radon system for. Even if the rain fell straight down and the air stream did not eject it only 1 gallon of water would be collected if your average rainfall is 20 inches per year. Following the standards of practice the radon vent should not within 10 feet horizontal distance from a fresh air intake or opening to the home i e. Secondly the cross section area of the pipe is only 12 square inches.

Pipe runs along side of house and extends straight up past the roof basically like a drinking straw along the side of the house. Consider replacing your rain cap with a critter exhaust guard. Over 200x more water will enter your radon mitigation system from condensation than rain. Set your store to see local availability add to cart.

Lippert components 389381 360 siphon roof vent cap white gen 2 4 5 out of 5 stars 431. Would a rain cap cause the moisture to freeze in the winter time live in pennsylvania. View the master flow roof vents 322 45 322 45. Radonaway is the world s leading manufacturer and distributor of radon fans and other radon mitigation products and supplies for reducing radon in air and water.

So there really is no need to utilize rain caps and in fact they could cause problems with the system. Roof cap 14 roof louvers 130 roof ridge vent 14 shutter fan vent 28 solar attic fan 57 thermostat 1 turbines 51 under eave soffit vent 38. If the radon vent is closer than 10 feet horizontal distance it should be 2 1 2 feet higher that the opening of the window or air intake vent. Does the force of the air coming out of the pipe keep the rain from going down the pipe.

The cap fit pretty loosely on the pvc but i didn t want to glue it using pvc cement in case i ever wanted to remove it for some reason. All of our fittings and equipment are rated for use in wet conditions. If a cap were placed at the top of the stack it would cause the exhaust gas to be blown downward toward the home and have the ability to re enter your home. 6 to 10 hours depending on complexity of running vent pipe from basement to roof what is radon.

The installation to my schedule 40 pvc radon vent out through the garage roof went well. An odorless gas radon is the result of the nuclear decay of naturally occurring uranium in the earth.