Furnace Roof Vent Leak

How to repair roof vent leaks.

Furnace roof vent leak.

If your furnace exhaust pipe or flue pipe is leaking it can be a sign of a much bigger problem. However leaking roof vent usually happens at the worst time. These collars consist of a metal base generally made out of aluminum and a rubber boot integrated into the top of the collar. Other causes of leaking roof vent are including broken seams on the metal base loosen nails and rusty metal collars around the vent pipe.

Another reason for your furnace leaking water is a break or clog in the humidifier. The solution was to install a flue vent cap and caulk around the vent on the roof. When the roof vent is leaking the actual cause must be identified first. A roof that leaks around a vent pipe is a common cause of small water stains on a ceiling or water leaking into a home.

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. If any type of breakage occurs or they get clogged water will start dripping around the furnace. Roof vents are made from different materials. Here s what to look for.

I noticed that water was leaking on to my furnace during rain storms. The leaking may first be seen in the attic but if you don t catch it right away you may see water coming into the house dripping on the floor. For this it is better to hire a professional roofer to handle the work. When your roof was installed each vent pipe received a flexible boot to seal water around the round surface of the vent pipe.

Vent pipe leaks during heavy rain can occur if you have cracks in your vent pipe boot or flashing. I had a small leak from the vent pipe in the last rain so used some pl roof flashing sealant to fix it.