Concrete Garage Floor Insulation

Finally you will need to add properly sized plywood sheets across the sleepers and finish with the flooring of your choice.

Concrete garage floor insulation.

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. By insulating the building you are helping to keep valuable heat inside the building but also reducing the possibility of condensation forming. Lightweight rigid polyisocyanurate pir foam insulation boards such as those manufactured by celotex are among the most thermally efficient commonly available. If you didn t do that before you put the frame up you can still do it now although it s going to be.

I wrote a tutorial on how to waterproof and seal your garage walls using drylok. 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. Floor 1 garage 3 under slab 5 more ways to filter. There are two main ways to insulate a concrete garage.

Then the chosen concrete floor insulation material i e. Installing insulation prior to the pouring of a concrete slab floor improves the energy efficiency of the floor and makes it more comfortable. The importance of concrete garage insulation cannot be stressed enough when embarking on the lining out process. Cement 3 concrete 4 existing drywall 2 plywood 5 wood 3 sheathing type.

But it isn t cheap and it can cause additional problems such as raising the floor level too much. 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. Concrete is cold and hard but an insulated concrete slab can make a heated garage significantly warmer and more energy efficient. How to insulate a garage floor above a concrete slab.

Run the polyethylene up the sides of the walls 3 to 4 inches and secure to the walls with construction tape. 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. Overlap the seams about 6 to 8 inches and seal the seams with waterproof construction tape. Insulating a concrete floor alternative options.

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. Last chance to waterproof your wall. Eps 3 xps 2 faced or unfaced.

Insulate your garage to reduce energy bills and protect your garage against harsh outdoor temperatures. Rigid insulation boards is installed between the sleepers close to one another so that there are no gaps in the insulation.