Insulation Under Concrete Garage Floor

Adding insulation under the concrete floor requires the same skill set and equipment as forming and pouring the concrete slab.

Insulation under concrete garage floor.

Excavator and builder say that floor should be sand xps poly then concrete. Planning to use 2 reclaimed xps under garage floor which is on high ground with sandy soil. Can i use jablite jabfloor 70 under a 150mm concrete garage floor. Insulating concrete garage floors begins with covering the entire floor with 6 mil polyethylene which will serve as a vapor barrier.

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. The plan was to insulate the garage floor down the line and then put in a floating floor but the digger driver has cut too much out of the base so i might as well get the insulation in at floor level rather than first floor double storey with habitable rood space. Get free shipping on qualified under slab foam board insulation or buy online pick up in store today in the building materials department. Run the polyethylene up the sides of the walls 3 to 4 inches and secure to the walls with construction tape.

Insulate your garage to reduce energy bills and protect your garage against harsh outdoor temperatures. In zone 5 sw mi. Thick in two of the bays and up that to 6 in. 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.

The foil within the product acts to spread out the heat signature of the heating coils. Step 1 excavate the area under the slab to 12 inches below the planned level of the top of the slab. Overlap the seams about 6 to 8 inches and seal the seams with waterproof 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.

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. Floor 1 garage 3 under slab 5 more ways to filter. Psi mix 5 in.

Truck and a five ton car lift.