Fiberglass insulation is naturally fire resistant.
Insulation around furnace exhaust.
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.
Gather your materials and prepare the space.
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 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.
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.
How doers get more done.
Rutland products high heat silicone seal link to amazon is a good choice.
This makes it an ideal insulation material for use in areas that experience high temperatures.
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.
I ve got a cold breeze blowing through my basement originating from where the furnace exhaust turns vertical.
These gaps should be sealed with lightweight aluminum flashing and special high temperature heat resistant caulk.
Use the same technique for masonry chimneys.
Master flow 6 in.
How to insulate a metal flue pipe.
Before you push the insulation back into place build a metal dam to keep it away from the pipe.
If this is your first visit be sure to check out the faq.
Furnace flues the pipe that removes your furnace exhaust can be very hot.
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.
As such it can be used to insulate a chimney.
What type of insulation can i stuff in around the exhaust to stop the cold air.
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.
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.