Why Is There Pvc Pipe In My Attic

It leaves the unit and exits the house exterior wall low down on the ground.

Why is there pvc pipe in my attic.

I have this pvc pipe in my attic that is leaking at this joint in the photo. It looks like the part that extends up on the left is over the master bedroom the horizontal potion passes over the bathroom and the right hand section that extends up is over the kitchen. It appears to be a plumbing vent intended to exit the roof but is capped. Wasn t sure where to post this thread so it seemed what i was looking at was a capped pvc pipe in the attic on a newer constructed house 7 yo so plumbing seemed appropriate.

Anyways i ve put some epoxy leak fixer around the joint and i imagine that will fix the problem. Srowe shawn rowe december 7 2006 10 09am 6 i believe that pvc is rated up to about 140 degrees cpvc 180 i don t know about new mexico but here in florida i have seen attics over 140. In my house attic i have several 4 inch white pvc vent stacks which are simply white pvc drain pipe extending from the wall headers through the attic and the roof. I have been doing a lot of.

Then either glue in a proper 3 in to 4 in. On a slighly different note i m looking at whole house vac system installation as well which also uses schedule 40 pvc or thinner through the attic. The second pvc pipe right next to the first leaves the unit and exits the house wall high up near the eave. I have two pvc pipes that come out of my attic furnace unit.

The gray stuff is blown insulation. The best way to be sure your pipe vents are clear and pipe boots are functional is to have them inspected regularly by either an experienced roofer or by looking. Why would they run the pipe cap it. Plastic pipe in the attic any guesses as to why there s plastic pvc in the attic.

On the roof these are covered with lead flashing to prevent water from getting inside the house. The pipe is parallel to the ground. There is also the possibility that the vent pipe can become clogged by leaves debris animals ice or snow allowing for the possibility of gases and odors to enter your building. Even though you may think by looking at the photo that it is vertical.

Has anyone come across this before. Seems that it is an inherent to the nature of pvc itself. Looks like other variants cpvc have higher temps but i don t believe there are any nec listed products. One i m pretty sure is for condensation drainage for when running the air conditioning system.