The insulation can be placed directly above the existing concrete or screed in the form of a floating floor.
Floating floor insulation on concrete.
Insulation is laid on the concrete and covered with a screed.
Insulating concrete garage floors begins with covering the entire floor with 6 mil polyethylene which will serve as a vapor barrier.
Up to 10 of heat loss from a building is through the concrete slab.
Whilst heat rises it is also very important to insulate the floors as part of the total building envelope.
Floor insulation ecotherm offer thin rigid floor insulation boards suitable for solid concrete timber and suspended floors.
In this scenario a rigid foam insulation is usual and as you d want the same u value in the roof we need the same thickness of insulation 180mm.
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.
If you use an underlayment without a moisture barrier it s a good idea to install a sheet of plastic below it for insurance.
A building with underfloor insulation provides a warm dry and healthy indoor environment for occupants and reduces heating and cooling costs.
Lightweight rigid polyisocyanurate pir foam insulation boards such as those manufactured by celotex are among the most thermally efficient commonly available insulation materials.
Expol s range of concrete floor insulation boards provides thermal insulation where it counts most.
Rigid insulation boards is installed between the sleepers close to one another so that there are no gaps in the insulation.
Overlap the seams about 6 to 8 inches and seal the seams with waterproof construction tape.
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 well as in feel.
Perhaps the easiest way to improve the insulation of a floating vinyl floor on concrete is to install a thermal underlayment preferably made of cork felt or a similar material.
If you live in a cold climate then you re no stranger to cold concrete floors in the winter.
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.
There will be a damp proof membrane under the insulation and possibly a second membrane on top depending on the type of screed.