Floating Floor Insulation On Concrete

Insulation is laid on the concrete and covered with a screed.

Floating floor insulation on concrete. A building with underfloor insulation provides a warm dry and healthy indoor environment for occupants and reduces heating and cooling costs. Floor insulation ecotherm offer thin rigid floor insulation boards suitable for solid concrete timber and suspended floors. 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 well as in feel.

Then the chosen concrete floor insulation material i e. If you live in a cold climate then you re no stranger to cold concrete floors in the winter. Whilst heat rises it is also very important to insulate the floors as part of the total building envelope. If you re planning on finishing a basement or portion of your home that has a concrete floor then it may be a good idea to insulate it before installing basement flooring.

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 insulation materials. Finally you will need to add properly sized plywood sheets across the sleepers and finish with the flooring of your choice. If you use an underlayment without a moisture barrier it s a good idea to install a sheet of plastic below it for insurance.

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. Up to 10 of heat loss from a building is through the concrete slab. 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. There will be a damp proof membrane under the insulation and possibly a second membrane on top depending on the type of screed.

This method will raise the floor level so skirting boards and potentially some electrical sockets will need to be refitted and doors will need to be trimmed. Overlap the seams about 6 to 8 inches and seal the seams with waterproof construction tape. Insulating concrete garage floors begins with covering the entire floor with 6 mil polyethylene which will serve as a vapor barrier.