How To Replace A Roof Vent Boot

You can only insure a tight seal if you remove the old material.

How to replace a roof vent boot. Step 1 clean pipe and boot. You will also need basic shingle repair tools like a knife nails and a hammer in case you need to lift shingles out of the way to remove the boot. Take the extra time to clean the pipe and boot well. You ll need your 6 inch knife to make sure that there isn t any old sealant or caulk around the boot.

I purchased a plastic flashing assembly from the local home improvement store. You ll need a ladder to get to the roof some caulk and a new boot to slide into place. In simplest terms a new vent pipe boot flashing is slid over the top of the existing one and the top edge of the pan is lapped beneath the overlying shingle course. Now it is time to work on the roof.

Trusted roof boot installation replacement in la plata waldorf. Given the most common causes is cracked or damaged rubber boot the most ideal solution is to remove it and replaced it with a new one. This can be quite expensive and will be required 3 or 4 times over the life of the roof. There s no need to lace the flashing pan into the shingles since the boot and bell of the new flashing will shed water around the damaged part of the old one.

As water penetrates your home it will most likely travel down the vent pipe into your home often leading to water stains in the ceiling or walls of your kitchen or bath. Fortunately replacing the vent boots is not a very complicated or expensive process. Vent pipe rubber boot repair step 1. Figuring that the rubber collar on the new flashing may split before it s time to strip and replace the roof shingles another 20 years hopefully.

When the roof vent is leaking the actual cause must be identified first. Use common sense safety precautions and make sure you can. In some cases replacing your existing roof vent boot requires removing and replacing the surrounding shingles. If split then yes it needs replacing though a good wrap with waterproof duct tape or bitumastic caulk will keep it intact and dry until a roofer can fix it.

Edit answer for another 34 minute make sure you need a new boot may just need a bit of bitumastic caulk if it is leaking a bit at the duct contact as they commonly do as the rubber gets older. One option is to hire a roofing contractor to replace the entire roof vent boot.