Most homes use fiberglass but rigid foam insulation although more costly offers a few extra features.
Rigid foam insulation basement.
You can even place it under the foundation slab.
Your choice really comes down to blanket insulation aka fiberglass or xps.
It installs easily with furring strips an.
This foam board insulation is available with straight or tongue and groove edges to help limit air movement.
Paper foil or vinyl.
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.
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.
Owens corning foamular 150 1 in.
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.
This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.
Usually made of fiberglass and it typically has some type of facing attached.
They keep your home at a comfortable temperature without the need to crank your heat.
Many energy experts recommend r 15 to r 20 for far northern states.
Rigid foam insulation also known as insulating boards provide high r values.
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.
Rigid insulation is one of the best tools to reduce your energy costs.
One exception might be if you are insulating a heated finished basement space against another interior basement space that is unheated.
Install it anywhere from the roof to the foundation.
Rarely will you install fiberglass insulation below grade since fiberglass soaks up moisture.
Rigid foam board insulation excels in below grade applications such as basements.
It is denser than eps and provides more r value with a rating of 5 per inch of thickness.
This is very common mainly because it is very cost effective.
Let s take a look.