Concrete Slab Insulation Options

Exterior concrete slab insulation options it is good practice to insulate concrete slabs in cold climates to protect the slab from frost penetration.

Concrete slab insulation options.

Concrete 4 existing drywall 2 plywood 5 wood 3 sheathing type. Insulating concrete slab floors. Increases comfort of floor surface. Eps 3 xps 2 faced or unfaced.

In these cases adding insulation above the slab is a quick and cost effective way to improve the energy efficient and comfort of a building. Concrete slab floors are typically insulated with polystyrene board. The good news is that all the mentioned products can be found right here at insulation shop. 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.

Foam in place insulation is sprayed into spaces between the joists and goes around venting pipes and electrical work. Dupont styrofoam brand extruded polystyrene foam insulation is an ideal solution for over slab installations offering the following advantages. Buried horizontal or sloped wing insulation installed around the exterior perimeter of the building to raise soil temperature. R 7 7 rigid foam insulation.

Less common is a third method. Spray foam insulation is likely the best option for below floor insulation. Such spaces typically have a sound level concrete slab floor but lack sufficient floor insulation to achieve the thermal performance targets for. It is the longest lasting and the highest r value insulation that can be put into place.

There are a number of different factors at play but the one thing that we always need to keep in mind is heat flow. Reduces energy loss between concrete slab and floor. 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. 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 most expensive option. Cementitiouscoating stucco either reinforced with fiber or installed over fiberglass mesh or installed over metal lath. In climate zones 4 through 8 the most common locations for insulation are at the perimeter of the slab installed vertically and under the slab installed horizontally.