Where To Insulate An Attic

Additionally purchase some loose fill insulation to insulate corners and angles where the batting won t fit.

Where to insulate an attic.

In this case the area behind the knee wall will be uncomfortably hot or cold. Because the simplest and cheapest way to insulate an attic is to add material to the floor. Use the fire blocking type. Insulating the attic floor.

Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. 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. Before installing or adding attic insulation take these steps. 2d extend insulation into joist space to reduce air flows.

To insulate an attic get some batting made out of mineral wool fiberglass or recycled foam. 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. But the best solution is actually to insulate both the attic floor and the underside of the roof. At the same time the areas below the roof benefit from increased comfort both during the winter and the summer.

We love our diyers so take up our incentive to improve your attic insulation situation yourself. So it s time to pay close attention to what s happening up there. Blown in insulation is installed using blowing machines. Probably in more place than you think.

While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. You get a free blown in machine rental with your insulation purchase. In this video this old house general contractor tom silva and host kevin o connor explain how to insulate an attic. 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.

In this way you prevent the heat from the rooms below escaping to the attic rooms above. Plan to pull up the flooring and layer new insulation on top of the old. You ll want to buy enough batting to lay at least 10 to 14 inches over the entire space. It makes adding insulation to your attic a breeze.

Get a free 24 hour blown in machine. 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. There are two basic ways to insulate a finished attic.