How To Install Insulation In Roof Rafters

We would always recommend having a breathable membrane in place between the tiles and the rafters too to allow the roof to breathe.

How to install insulation in roof rafters.

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. Garages built without attics are. Once you have these in place measure the length of the spaces between your rafters. Air circulates from the lower part of the roof overhang through the rafters.

How to install rafter insulation. Then blow another layer on top of the roof rafters. This requires the use of soffit vents and a roof ridge vent to. Apply insulation between rafters when finishing an attic into a heated room or when building a cathedral ceiling in the home.

They are directly below the roof sheathing and are were insulated with fiberglass batts stapled between the 2x4 rafters. Typically you will fill the insulation blower with the insulation and blow it between the attic floor joists. Cut each piece of insulation an inch or two longer than needed to assure a snug fit. Use your straightedge to compress the insulation before cutting and use a very sharp utility knife to assure a good straight cut across the fiberglass batt.

I would really like to get more than r 13 and the current installation is probably providing r 1 with all the missing pieces. The baffles will allow circulation to continue even though insulation has been installed directly in the path of the rafter air movement.