Cold climates the best radiant barrier for your attic depends on your local climate.
Best way to insulate attic roof.
Rolls of either glass fiber or loose fill cellulose are the most popular materials used by diy installers.
To install insulation.
Insulating a ceiling is affordable.
Radiant barriers in the attic for hot climates vs.
To cut blanket style insulation place the product over a piece of plywood with its paper or foil side down.
An advantage of spray foam is it s quick whereas foam board needs to be cut and measured which can be a chore.
How to insulate an unfinished attic preparing an attic for insulation.
Fiberglass is the most common option for attic insulation and may come precut to fit typical attic trusses and rafters.
Installing a vapor barrier.
For hot climates where most of the radiant heat hitting the attic comes from sunlight radiant barriers should be draped from the attic ceiling or installed between the roof beams.
Batts and blankets insulation often comes with a vapor retardant facing and some varieties.
Cellulose or wood fiber insulation is made from used newsprint other paper feedstock or wood.
Chemicals are then added to the insulation in order to provide fire resistance.
Place planks 1 by 6 or 1 by 8 or plywood sheaths across floor joists to improve.
If you have a solid floor covering the roof rafters use the claw end of a hammer to pull the floor up in several locations and blow the insulation under the boards.
Typically you will fill the insulation blower with the insulation and blow it between the attic floor joists.
Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and.
Then blow another layer on top of the roof rafters.
Blanket insulation may also have an air and vapor barrier on one side to prevent condensation and to make fastening the insulation to the attic easier.