Where To Insulate An Attic

In this way you prevent the heat from the rooms below escaping to the attic rooms above.

Where to insulate an attic.

To insulate an attic get some batting made out of mineral wool fiberglass or recycled foam. There are two basic ways to insulate a finished attic. In this case the area behind the knee wall will be uncomfortably hot or cold. But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates.

While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. You ll want to buy enough batting to lay at least 10 to 14 inches over the entire space. At the same time the areas below the roof benefit from increased comfort both during the winter and the summer. Because the simplest and cheapest way to insulate an attic is to add material to the floor.

Cut and fit strips of 24 gauge sheet metal between the masonry chimney and the surrounding wood framing. Before installing or adding attic insulation take these steps. In this video this old house general contractor tom silva and host kevin o connor explain how to insulate an attic. Blown in insulation is installed using blowing machines.

If only the living space will be insulated wrap the insulation around the room s walls and ceiling and then continue along the floor of the non living space. Additionally purchase some loose fill insulation to insulate corners and angles where the batting won t fit. Probably in more place than you think. 2d extend insulation into joist space to reduce air flows.

Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. Lay the batts across the ceiling joists covering the existing insulation. It makes adding insulation to your attic a breeze. But the best solution is actually to insulate both the attic floor and the underside of the roof.

In finished attic rooms with or without dormer insulate 2a between the studs of knee walls 2b between the studs and rafters of exterior walls and roof 2c and ceilings with cold spaces above. You get a free blown in machine rental with your insulation purchase. Use the fire blocking type. We love our diyers so take up our incentive to improve your attic insulation situation yourself.

Insulating the attic floor. Get a free 24 hour blown in machine. Use caulk and expanding foam the fire blocking type sealant to close air gaps around pipes ducts and electrical wires where they enter the attic.