For new construction use rigid boards to insulate slabs and the outside of foundation walls.
Foam board insulation 4x8.
Foam boards acid free 8x10 inches many sizes available 3 16 inch thick mat white with white core foam core backing boards double sided sheets 4 5.
Working with home insulation boards insulation panels typically come in 4x8 foot sheets.
Smaller sizes are also available.
R 15 scored squared edge rigid foam board insulation sheathing saves energy and resists moisture with limited lifetime warranty scored edge easily snaps into smaller boards for best fit.
Install them using panel adhesive or screws.
They re much lighter and easier to work with than plywood sheets.
Foamular 150 2 in.
Shop at lowe s to find the foam sheeting you need for your next insulation project.
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.
R 10 scored squared edge rigid foam board insulation sheathing saves energy and resists moisture with limited lifetime warranty scored edge easily snaps into smaller boards for best fit.
1 16 of 328 results for foam insulation sheets 4x8 amazon s choice for foam insulation sheets 4x8.
Foamular 250 3 in.