Prevent Roof Leaks at Plumbing Vents
LESLIE: Charles in North Carolina’s got a leak. Let’s see if we can help.
CHARLES: I’ve had several leaks around the plumbing vent pipes poking through my roof and I was wondering if I can reduce the number of vent pipes by using (inaudible at 0:17:07.4).
TOM: Is your roof older?
CHARLES: It’s about 15 years old and I’ve used some stop-leak product from the home center and it seems to do the job but it only lasts maybe a couple of years and I just thought maybe when I get the new roof done maybe that would be possibly a good time to reduce the number of penetrations through the roof but I haven’t checked the local plumbing code either.
TOM: Charles, well if you’re going to reroof that’s the time to correct this. What you’re doing now is by putting like a roofing sealant, an asphalt sealant on there, that’s only going to last you a short period of time. There’s some new technology in flashing products that you really ought to look at. I would go to the website for the Grace Company; GraceatHome.com. Those guys are the experts at keeping a roof leak-free and there’s a product I want you to look at called Grace Vycor which is a self-adhered flashing. It’s designed to cover those areas of the roof that are odd shaped or that are prone to leakage and if you put that …
LESLIE: Because it’s super flexible.
TOM: It’s very flexible. You can stretch it around all those places. If you use a product like that with proper underlayment, I don’t think that that plumbing vent’s going to leak anytime soon.