You can use either one or two layers of plywood or osb and the subflooring can either be fastened to the concrete with long tapcon screws or it can simply float above the foam.
Styrofoam basement floor insulation.
If your basement slab lacks sub slab foam you ll have to install the insulation above the slab.
There are several ways to install subflooring above the rigid foam.
R 3 2 polyisocyanurate rigid foam insulation board model 754404 13 82 13 82.
This foam board insulation is available with straight or tongue and groove edges to help limit air movement.
View the owens corning basement and crawlspace insulation 28 50 28 50.
Allows spacing for electrical wiring and other utilities.
Set your store to see.
Get free shipping on qualified basement foam board insulation or buy online pick up in store today in the building materials department.
Floor 1 garage 3 under slab 5 more ways to filter.
Creates a finished appearance.
It is available in all different size configurations to accommodate lots of different applications.
One common use of extruded polystyrene foam board is for foundation insulation panels.
R 7 7 rigid foam insulation model 310891 18 35 18 35.
Use a good quality foam board adhesive to adhere the foam to the concrete.
Styrofoam brand insulation is a rigid insulation that can be placed directly on walls framing and drywall.
When insulating interior basement walls in a finished basement use our styrofoam brand insulation.
This is an even more dense and more expensive foam board insulation.
Buy 24 or more.