How To Insulate Furnace Pipe In Attic

And don t we have 50 gallon gas water heaters gas stoves and sometimes even furnaces in conditioned space quite often and code allows this per their mathematical required volume of air needed.

How to insulate furnace pipe in attic.

Free range people 32 792 views. Owens corning 762 202 views. Open the insulation piece at the slit and slide it over the pipe. If you don t have a crawl space or a basement then it can be a challenge to place a furnace on the ground floor of the structure.

Turn the water heater or furnace off and allow the flue to cool to the touch. You might not receive the same air movement benefits if the unit is in a garage either. How to insulate a metal flue pipe. Make sure the fill s depth is uniform across the attic.

Super insulating our attic part 2 duration. Cut enough aluminum flashing from the roll to wrap around the vent pipe with an extra 6 inches to spare. Now cut 2 inch deep slots. To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space.

Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping. Cut two flat sheets of aluminum flashing that are 14 inches long and narrow enough to fit between the ceiling joists around the flue. Joe shows you how to make an attic insulation shield when space is an issue. This will stop the air from getting a free ride along the chase and heating your attic.

Then use fire rated caulk to seal the gap btw the sheet metal and flue and then the sheet metal to the attic floor. For corner joints that need to be insulated cut a simulated miter joint by cutting the insulation at a 45 degree angle. Unwrap the flashing from the vent pipe so you can work with it. To vent or not to vent duration.

Take 2 pieces and cut a c in both. Cut 1 inch deep slots a few inches apart along the top side. Bend these newly cut tabs in. Continue this process over the entire length of piping in your attic.

A furnace in the attic is a design that works for all homes. Based on the volume of the attic it may per code and the math be adequate and especially with all the attic floor penetrations on a typical retrofit.