How To Seal Furnace Vent To Steel Roof

Some caulk guns have built in tube cutters that work.

How to seal furnace vent to steel roof.

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. Slide the rubber boot over the pipe to check the fit. Be sure to like and subscribe in order to help me bring you more helpful videos filled with tips and tricks i ve learned over the years. Then run a second bead of caulk just below the first bead.

Remove the rubber boot. Use the knife blade to scrape the pipe clean and smooth. When the roof vent is leaking the actual cause must be identified first. Trim the flashing in the center of the rubber boot with a roofing knife so it fits snugly around the pipe.

2 cut the tip of a caulk tube with a utility knife. Other causes of leaking roof vent are including broken seams on the metal base loosen nails and rusty metal collars around the vent pipe. Brush away any dirt or dust from the area around the furnace vent that you will be sealing. Use the tar brush to apply a thin layer of tar to the edges of the hole.

Plenty more videos t. Apply a thick bead of lap seal caulk around the seam between the vent pipe and old rubber gasket.