Insulation Around Furnace Exhaust

Gather your materials and prepare the space.

Insulation around furnace exhaust.

Probably already was bad connection or breach of inner wall or other problem with bypass insulation at attic floor and around vent was and is inappropriate treatment of symptom and dangerous. Ceramic fiber insulation blanket roll 6 density 2300 f 1in x24in x60in for kilns ovens furnaces forges stoves 17 model cf6 1 24x60in 47 50 box. I recently used spray foam from a can around an exhaust pipe coming from a hot water tank in the opening of my chimney. It is often installed in gaps around the chimney and flue to prevent airflow that can siphon the heat away from the interior of the building.

As such it can be used to insulate a chimney. The other day while cleaning i discovered that the gas water heater vent terminates on the side wall and there s almost an 1 gap around it going directly outside without any insulation. I was looking to close up the small gap where the exhaust pipe goes into the chimney because the gas and electric company said carbon monoxide was detected around the opening. Flashlight or other lighting knee pads gloves face mask full length clothing insulation and attic work are dirty and itchy sheet metal scissors high temp heat resistant caulk.

I understand it s probably a legitimate part of the design as the pipe might get hot and needs some clearance. Dia r 8 ductwork insulation sleeve 22 model inslv6r8. This makes it an ideal insulation material for use in areas that experience high temperatures. Master flow 6 in.

I ve got a cold breeze blowing through my basement originating from where the furnace exhaust turns vertical. Before you push the insulation back into place build a metal dam to keep it away from the pipe. The flue is the metal tubing that extends up from the top of your gas furnace or water heater that carries the carbon monoxide gas from the heating unit to your. Rutland products high heat silicone seal link to amazon is a good choice.

How doers get more done. If this is your first visit be sure to check out the faq. Fiberglass insulation is naturally fire resistant. Furnace flues the pipe that removes your furnace exhaust can be very hot.

How to insulate a metal flue pipe. These gaps should be sealed with lightweight aluminum flashing and special high temperature heat resistant caulk. Attic insulation around furnace flues.