Furnace Roof Vent Leak

Other causes of leaking roof vent are including broken seams on the metal base loosen nails and rusty metal collars around the vent pipe.

Furnace roof vent leak.

When your roof was installed each vent pipe received a flexible boot to seal water around the round surface of the vent pipe. These boots vary in quality flexibility and longevity. Another reason for your furnace leaking water is a break or clog in the humidifier. Vent pipe leaks during heavy rain can occur if you have cracks in your vent pipe boot or flashing.

These collars consist of a metal base generally made out of aluminum and a rubber boot integrated into the top of the collar. The solution was to install a flue vent cap and caulk around the vent on the roof. Roof vents are made from different materials. When the roof vent is leaking the actual cause must be identified first.

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. I noticed that water was leaking on to my furnace during rain storms. However leaking roof vent usually happens at the worst time. Damaged vent pipe collars typically v ent pipe leaks occur at the collar surrounding the base of the vent pipe where it breaks through the surface of the roofing material.

For this it is better to hire a professional roofer to handle the work. If your furnace exhaust pipe or flue pipe is leaking it can be a sign of a much bigger problem. Here s what to look for. How to repair roof vent leaks.

I had a small leak from the vent pipe in the last rain so used some pl roof flashing sealant to fix it. These devices are hooked up to your plumbing system in order to add moisture to the air.