It is the longest lasting and the highest r value insulation that can be put into place.
Under concrete floor insulation options.
The most expensive option.
Spray foam insulation is likely the best option for below floor insulation.
Concrete slab floors are typically insulated with polystyrene board.
Although building codes differ by region builders typically use r5 and r10 insulation under the concrete slab but floors insulated with r20 contain the heat in your basement far better than those insulated with lower r values.
Get free shipping on qualified under slab 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.
Insulating concrete slab floors timber frame floors are typically insulated with polystyrene boards or sheet insulation made from glasswool fibreglass wool polyester wool polyester mix and mineral wool.
The good news is that all the mentioned products can be found right here at insulation shop.
R 5 78 rigid foam insulation model 320817.