Rigid insulation is one of the best tools to reduce your energy costs.
Insulating an attic with foam board.
Install it anywhere from the roof to the foundation.
Spray foam is a very expensive option however.
Foil faced iso board can be cost effective insulation for finished attics and cathedral ceilings.
You can even place it under the foundation slab.
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.
Shop at lowe s to find the foam sheeting you need for your next insulation project.
Foam board insulation in the attic can cut down on energy costs and simultaneously promote a more environmentally sound way of daily living.
It is an excellent installation option for the attic because it is lightweight easy to work with and offers high r values.
Affix rigid foam insulation to the attic side of the hatch or door.
You can use foam board in the attic.
The superattic system creates a continuous air and insulation barrier directly beneath the attic roof with no thermal bridging to compromise energy performance.
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.
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.
Attic hatch or door.
Rigid foam insulation also known as insulating boards provide high r values.
Polyisocyanurate is another option coming in as the densest and more expensive option for foam board.
Installing foam insulation boards in the attic is no that hard and can save you money compared with professional installation.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.