How to insulate a garage step by step.
Concrete garage floor insulation.
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.
The importance of concrete garage insulation cannot be stressed enough when embarking on the lining out process.
There are two main ways to insulate a concrete garage.
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.
I wrote a tutorial on how to waterproof and seal your garage walls using drylok.
How to insulate a garage floor above a concrete slab.
Insulating concrete garage floors begins with covering the entire floor with 6 mil polyethylene which will serve as a vapor barrier.
Here s my step by step process for how i added insulation to my garage.
By insulating the building you are helping to keep valuable heat inside the building but also reducing the possibility of condensation forming.
Faced 2 unfaced 3.
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.
Rigid insulation boards is installed between the sleepers close to one another so that there are no gaps in the insulation.
Lightweight rigid polyisocyanurate pir foam insulation boards such as those manufactured by celotex are among the most thermally efficient commonly available.
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.
If you didn t do that before you put the frame up you can still do it now although it s going to be.
Last chance to waterproof your wall.
Floor 1 garage 3 under slab 5 more ways to filter.
Cement 3 concrete 4 existing drywall 2 plywood 5 wood 3 sheathing type.
Insulating a concrete floor alternative options.
Finally you will need to add properly sized plywood sheets across the sleepers and finish with the flooring of your choice.
Concrete is cold and hard but an insulated concrete slab can make a heated garage significantly warmer and more energy efficient.
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.
Eps 3 xps 2 faced or unfaced.
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.
Then the chosen concrete floor insulation material i e.
