Pvc Roof Vent Pipe

Gibraltar building products 5 75 in.

Pvc roof vent pipe.

How to extend pvc pipe on a roof vent 1. The vertical louvers in its inner cylinder keeps out insects birds and animals as well allowing optimal air flow. Pvc base vent pipe flashing with adjustable rubber collar in black model 81720 4 38 4 38. Cvent 3 is for use with 3 in.

Product overview the concentric vent allows both the intake for combustion air and the exhaust vent to pass through a standard roof or sidewall. National international plumbing codes identify vent pipe size length above the roof flashing and caps. But does not specify material. It continually exhausts air with no moving parts while preventing rain and snow from entering.

Free delivery with 45 order. Inside diameter black new construction or reroof thermoplastic vent pipe roof flashing model pb 312 4bk 19 97 19 97. Hold the pipe above the. Despite the confusion the safe practice would suggest the use of pvc schedule 40 pipes for the air intake vent on the furnace and cpvc for the exhaust flue vent given its higher service temperature.

Cut the existing pvc vent pipe 16 inches above the second floor subfloor with a handsaw. This is an alternative to the standard two pipe intake vent shown in the basic furnace installation instructions. Set your store to see. That way should there be a problem with the furnace that causes the exhaust temperature to exceed design the exhaust vent system has almost 40 more capacity to handle the excess heat before it reaches the point where it can fail.

Touch up the burrs from the saw on the top of the 16 inch section with a sanding block. Apply a uniform coat of pvc. You are right pvc is not the best in sun for my area in desert south west i do not know why builders use it but they do.