Insulating An Attic With Foam Board

Polyisocyanurate is another option coming in as the densest and more expensive option for foam board.

Insulating an attic with foam board.

Attic hatch or door. You can even place it under the foundation slab. Typically sold as sheet insulation in a standard size of 4 x 8 foam insulation panels can help reduce energy costs get a handle on moisture control and more. Rigid insulation is one of the best tools to reduce your energy costs.

Affix rigid foam insulation to the attic side of the hatch or door. The superattic system utilizes proprietary silverglo rigid foam insulation panels to fully seal and insulate the attic directly beneath the roof rafters and directly inside the gable ends. Foil faced iso board can be cost effective insulation for finished attics and cathedral ceilings. Foam insulation board also comes with a foil backing and when the foil is just on one side of the board you have a decision to make regarding its orientation.

Install it anywhere from the roof to the foundation. Foam board insulation in the attic can cut down on energy costs and simultaneously promote a more environmentally sound way of daily living. Installing foam insulation boards in the attic is no that hard and can save you money compared with professional installation. Spray foam is a very expensive option however.

It is an excellent installation option for the attic because it is lightweight easy to work with and offers high r values. Often the r value of fiberglass insulation is too low and requires the rafters to be retrofitted making foam board a better choice. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. The superattic system creates a continuous air and insulation barrier directly beneath the attic roof with no thermal bridging to compromise energy performance.

Foam board insulation would be a more economical especially if you are supplying the labor see photo. Shop at lowe s to find the foam sheeting you need for your next insulation project. You can use foam board in the attic.