Insulation Under Concrete Garage Floor

Truck and a five ton car lift.

Insulation under concrete garage floor.

In zone 5 sw mi. The reflectix concrete slab insulation is an innovative easy to handle product that increases the energy efficiency of radiant floor and snow melt systems under concrete. Concrete is cold and hard but an insulated concrete slab can make a heated garage significantly warmer and more energy efficient. In addition to offering insulation and energy savings the plywood subfloor described here can provide the perfect foundation for finish flooring such as carpeting adding warmth in look as.

Insulating a concrete floor can save you money on your heating bill making an attached garage or basement warmer and by extension the rest of your house. Insulate your garage to reduce energy bills and protect your garage against harsh outdoor temperatures. Greggo is building a garage not your run of the mill garage for the family cars and a lawnmower but a three bay structure that can handle a 7 500 lb. Run the polyethylene up the sides of the walls 3 to 4 inches and secure to the walls with construction tape.

I ve seen that gravel is generally recommended under basement floors but haven t yet been able to locate an article discussing garage floors. Excavator and builder say that floor should be sand xps poly then concrete. How to insulate a garage floor above a concrete slab. Planning to use 2 reclaimed xps under garage floor which is on high ground with sandy soil.

Psi mix 5 in. The foil within the product acts to spread out the heat signature of the heating coils. Floor 1 garage 3 under slab 5 more ways to filter. Step 1 excavate the area under the slab to 12 inches below the planned level of the top of the slab.

Adding insulation under the concrete floor requires the same skill set and equipment as forming and pouring the concrete slab. In the third day where the car lift will be located. Insulating concrete garage floors begins with covering the entire floor with 6 mil polyethylene which will serve as a vapor barrier. Thick in two of the bays and up that to 6 in.

Overlap the seams about 6 to 8 inches and seal the seams with waterproof construction tape.