Insulating An Attic With Foam Board

You can use foam board in the attic.

Insulating an attic with foam board.

The superattic system creates a continuous air and insulation barrier directly beneath the attic roof with no thermal bridging to compromise energy performance. Polyisocyanurate is another option coming in as the densest and more expensive option for foam board. Foam board insulation would be a more economical especially if you are supplying the labor see photo. Install it anywhere from the roof to the foundation.

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. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. Foam board insulation in the attic can cut down on energy costs and simultaneously promote a more environmentally sound way of daily living.

Attic hatch or door. Rigid insulation is one of the best tools to reduce your energy costs. Often the r value of fiberglass insulation is too low and requires the rafters to be retrofitted making foam board a better choice. 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.

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. 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. Shop at lowe s to find the foam sheeting you need for your next insulation project. To attach the insulation you can use screws with large washers a special adhesive made for adhering foam board insulation or for smaller pieces you can seal them in with caulk or spray foam.

Rigid foam insulation also known as insulating boards provide high r values. Foam board insulation is easy to cut with a circular saw with a masonry blade or scored with a utility knife and snapped like you would drywall. You can even place it under the foundation slab.