Concrete Garage Floor Insulation

Installing insulation prior to the pouring of a concrete slab floor improves the energy efficiency of the floor and makes it more comfortable.

Concrete garage floor insulation. Overlap the seams about 6 to 8 inches and seal the seams with waterproof construction tape. But it isn t cheap and it can cause additional problems such as raising the floor level too much. Lightweight rigid polyisocyanurate pir foam insulation boards such as those manufactured by celotex are among the most thermally efficient commonly available. Then the chosen concrete floor insulation material i e.

Finally you will need to add properly sized plywood sheets across the sleepers and finish with the flooring of your choice. 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. I wrote a tutorial on how to waterproof and seal your garage walls using drylok. Run the polyethylene up the sides of the walls 3 to 4 inches and secure to the walls with construction tape.

The insulation is then laid followed by a polythene separating layer and either a concrete screed or tongue and groove chipboard ready to receive the specified floor finish. 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. Here s my step by step process for how i added insulation to my garage. Insulating concrete garage floors begins with covering the entire floor with 6 mil polyethylene which will serve as a vapor barrier.

Floor 1 garage 3 under slab 5 more ways to filter. How to insulate a garage floor above a concrete slab. Cement 3 concrete 4 existing drywall 2 plywood 5 wood 3 sheathing type. Insulate your garage to reduce energy bills and protect your garage against harsh outdoor temperatures.

Concrete is cold and hard but an insulated concrete slab can make a heated garage significantly warmer and more energy efficient. The importance of concrete garage insulation cannot be stressed enough when embarking on the lining out process. Faced 2 unfaced 3. Insulating a concrete floor alternative options.

The method shown above is the best way to insulate a concrete floor without digging it up and laying it again with insulation added below the finished surface. How to insulate a garage step by step. While you can apply insulation over the concrete slab that requires adding wood subflooring and other components that add to the cost and complexity of the project. If you didn t do that before you put the frame up you can still do it now although it s going to be.

There are two main ways to insulate a concrete garage. By insulating the building you are helping to keep valuable heat inside the building but also reducing the possibility of condensation forming.