How To Insulate Furnace Pipe In Attic

You might not receive the same air movement benefits if the unit is in a garage either.

How to insulate furnace pipe in attic.

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. Measure the circumference of the flue. Unwrap the flashing from the vent pipe so you can work with it.

Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping. Joe shows you how to make an attic insulation shield when space is an issue. 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.

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. To vent or not to vent duration. Cut 1 inch deep slots a few inches apart along the top side. To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space.

Take 2 pieces and cut a c in both. How to insulate a metal flue pipe. Owens corning 762 202 views. For corner joints that need to be insulated cut a simulated miter joint by cutting the insulation at a 45 degree angle.

A furnace in the attic is a design that works for all homes. Nail them both on the attic floor so they butt up against the flue. 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. Free range people 32 792 views.

Now cut 2 inch deep slots. Turn the water heater or furnace off and allow the flue to cool to the touch. Make sure the fill s depth is uniform across the attic. Cut two flat sheets of aluminum flashing that are 14 inches long and narrow enough to fit between the ceiling joists around the flue.

Then use fire rated caulk to seal the gap btw the sheet metal and flue and then the sheet metal to the attic floor. Continue this process over the entire length of piping in your attic.