Insulation Over Concrete Floor

Cons of insulation boards.

Insulation over concrete floor.

Not a finished surface you will need to lay a chipboard layer over the insulation boards adding to the height. Why it s important to insulate a concrete floor in the basement three key benefits of insulating the concrete floors in the basement are heat loss prevention moisture prevention and a higher level of comfort. 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 know you have issues with moisture tend to those problems before installing the insulation.

Once the basement is prepped choose an insulation to reduce heat loss and moisture transfer from the slab. Be sure to fix any problems in the concrete floor such as cracks spalls. You can attach wood sleepers to the floor fill the gaps with rigid foam insulation and then apply your finish flooring. How to insulate a garage floor above a concrete slab insulation on slab.

Address uneven floors prior to installing any floor system the low spots should be fixed with concrete patch or floor leveler. One option for insulating on top of a slab is to apply rigid foam insulation directly to the slab. There will be a damp proof membrane under the insulation and possibly a second membrane on top depending on the type of screed. 1 to prepare for insulating the floor first evaluate the condition of the concrete.

Thickness many types of insulation board are at least 50mm thick raising the level of the floor. Also check the floor for smoothness and level. Lightweight rigid polyisocyanurate pir foam insulation boards such as those manufactured by celotex are among the most thermally efficient commonly available. Install a layer of rigid foam board insulation such as styrofoam tongue and groove or styrofoam brand highload 40.

Insofast eps foam panels provides a one step solution to finishing a floor with embedded studs built in to the. You may need to grind down significantly high spots to ensure an even surface. Seal all the seams of the foam board. Another option is to insulate the slab after the framing is complete so the slab is protected from the weather.

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. Or as demonstrated here you can cover the slab with rigid foam insulation add two layers of plywood and then add the finish flooring. Insulation is laid on the concrete and covered with a screed. Levelling floors a layer of insulation can help to level badly finished concrete floors.