Rutland products high heat silicone seal link to amazon is a good choice.
Insulation around furnace exhaust.
This makes it an ideal insulation material for use in areas that experience high temperatures.
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.
Fiberglass insulation is naturally fire resistant.
As such it can be used to insulate a chimney.
Use the same technique for masonry chimneys.
Master flow 6 in.
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.
How doers get more done.
Attic insulation around furnace flues.
What type of insulation can i stuff in around the exhaust to stop the cold air.
Dia r 8 ductwork insulation sleeve 22 model inslv6r8.
Gather your materials and prepare the space.
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I ve got a cold breeze blowing through my basement originating from where the furnace exhaust turns vertical.
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.
Before you push the insulation back into place build a metal dam to keep it away from the pipe.
These gaps should be sealed with lightweight aluminum flashing and special high temperature heat resistant caulk.
I understand it s probably a legitimate part of the design as the pipe might get hot and needs some clearance.
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.
This exhaust is 5 rigid metallic duct that runs horizontal with a slope for 6 before turning vertical via an elbow and round to rectangular.
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.
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.
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.