How To Insulate Furnace Pipe In Attic

This will allow you to slip the insulation over the pipe corner easily.

How to insulate furnace pipe in attic.

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. You might not receive the same air movement benefits if the unit is in a garage either. For corner joints that need to be insulated cut a simulated miter joint by cutting the insulation at a 45 degree angle. This will stop the air from getting a free ride along the chase and heating your attic.

Continue this process over the entire length of piping in your attic. To vent or not to vent duration. A furnace in the attic is a design that works for all homes. Measure the circumference of the flue.

Owens corning 762 202 views. Take 2 pieces and cut a c in both. Unwrap the flashing from the vent pipe so you can work with it. Cut two flat sheets of aluminum flashing that are 14 inches long and narrow enough to fit between the ceiling joists around the flue.

Nail them both on the attic floor so they butt up against the flue. Turn the water heater or furnace off and allow the flue to cool to the touch. Bend these newly cut tabs in. Then use fire rated caulk to seal the gap btw the sheet metal and flue and then the sheet metal to the attic floor.

Super insulating our attic part 2 duration. Cut 1 inch deep slots a few inches apart along the top side. 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. Joe shows you how to make an attic insulation shield when space is an issue.

Open the insulation piece at the slit and slide it over the pipe. How to insulate a metal flue pipe. Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping. 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.

Free range people 32 792 views. Cut enough aluminum flashing from the roll to wrap around the vent pipe with an extra 6 inches to spare.