Rigid Foam Insulation Basement
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It is denser than eps and provides more r value with a rating of 5 per inch of thickness.
Rigid foam insulation basement. Most homes use fiberglass but rigid foam insulation although more costly offers a few extra features. They keep your home at a comfortable temperature without the need to crank your heat. Rigid foam insulation also known as insulating boards provide high r values. Let s take a look.
You can even place it under the foundation slab. Rigid insulation is one of the best tools to reduce your energy costs. Rigid foam board insulation excels in below grade applications such as basements. Install it anywhere from the roof to the foundation.
It installs easily with furring strips an. Rarely will you install fiberglass insulation below grade since fiberglass soaks up moisture. Basement 13 ceiling insulation 8 crawlspace 8 exterior sheathing 10 exterior wall foundation 8 exterior wall 5 floor 2 garage 8 interior. The best rigid board to use there are two types of rigid boards commonly used.
Is rigid foam insulation the right insulation for your basement. This is very common mainly because it is very cost effective. Save time and space in your basement with owens corning foamular insulpink extruded polystyrene xps insulation. Many energy experts recommend r 15 to r 20 for far northern states.
Paper foil or vinyl. R 5 scored square edge rigid foam board insulation sheathing model 20we view the owens corning exterior insulation 18 98 18 98. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. When using foam insulation on basement walls the building code irc requires r 5 for southern states excluding the deep south and r 10 for the rest of the us.
The main goal for using rigid foam board against masonry walls is to prevent air vapor movement and mold growth while it can be the only insulation used in a basement insulation system it s often supplemented by fiberglass insulation. Ideally you want to have rigid foam insulation in a basement against all the outside walls and the floor a minimum of five centimetres on the walls and 2 5 cm on the floor. Your choice really comes down to blanket insulation aka fiberglass or xps. Owens corning foamular 150 1 in.