Concrete Floor Insulation Options

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.

Concrete floor insulation options.

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. Concrete slab floors are typically insulated with polystyrene board. Overlap the seams about 6 to 8 inches and seal the seams with waterproof construction tape. Concrete 34 copper pipes 24 existing drywall 34 existing insulation 26 fiberglass 25 metal 33.

Foam in place insulation is sprayed into spaces between the joists and goes around venting pipes and electrical work. Insulating concrete garage floors begins with covering the entire floor with 6 mil polyethylene which will serve as a vapor barrier. It is the longest lasting and the highest r value insulation that can be put into place. Another option for insulating your concrete floor are some more flexible materials such as knauf rock wool insulation slabs or rockwool insulation slabs which also offer a level of sound insulation apart from known as being great and versatile insulators.

Run the polyethylene up the sides of the walls 3 to 4 inches and secure to the walls with construction tape. Spray foam insulation is likely the best option for below floor insulation.