How To Insulate Attic Space

Lay a two by four on top temporarily compressing the insulation to a manageable.

How to insulate attic space.

Attic insulation is installed in the floor of the attic so you ll need to do a few things to make the process straightforward. If the space requires additional insulation an easy fix is to place insulation batts or rolls in the attic s floor joists on top of any existing insulation. The average home needs up to 19 inches of fiberglass insulation in the attic for maximum energy efficiency. This old house general contractor tom silva and host kevin o connor demonstrate the proper way to insulate an attic.

For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6. Then pivot in place and do the same thing to the other side. How to insulate an unfinished attic preparing an attic for insulation. Check your local building code for r value insulation level recommendations and any vapor barrier requirements that apply to your area.

See do it yourself spray foam insulation and how to caulk. 1a attic access door 2. To install insulation. More insulation installation tricks and tips work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just.

In unfinished attic spaces insulate between and over the floor joists to seal off living spaces below. Start by installing temporary lighting such as clip lights and laying a few sturdy boards along the joists to create a walkway. Place planks 1 by 6 or 1 by 8 or plywood sheaths across floor joists to improve. Move across the attic until you ve hit your desired height at every point.

Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and. To cut blanket style insulation place the product over a piece of plywood with its paper or foil side down. Installing a vapor barrier. Pay attention to areas where plumbing ductwork or wiring enter the space.

Blow in insulation until the hopper is empty. If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space.