How To Insulate Below Concrete Floors

Step 1 excavate the area under the slab to 12 inches below the planned level of the top of the slab.

How to insulate below concrete floors.

Most people know the benefits of insulating a home s wall floors and ceilings. Up to 80 of heat loss in a floor slab occurs around the edges. The panels can be applied to every surface from floors to walls to ceilings. Typically the insulation would be situated below the slab and below the damp proof membrane for heavy duty use whilst normal domestic buildings would have a.

Insulating a concrete floor alternative options. Insulating concrete garage floors begins with covering the entire floor with 6 mil polyethylene which will serve as a vapor barrier. 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. Insofast s insulation panels provide an easy way to insulate a cold concrete floor.

If your concrete floor is for industrial or heavy duty applications then any insulation you use needs to have a high compressive strength to take the weight of whatever is above. Insofast is a diyers dream a simple way to install insulation needing only a hand saw utility knife and caulking gun. But it isn t cheap and it can cause additional problems such as raising the floor level too much. Run the polyethylene up the sides of the walls 3 to 4 inches and secure to the walls with construction tape.

Check out this article for a list of slab edge insulation solutions and episode 125 for my interview with henry edney of maxraft. Three key benefits of insulating the concrete floors in the basement are heat loss prevention moisture prevention and a higher level of comfort. 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. 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.

The first thing to consider when looking into different types of concrete floors is why it s so important to insulate the floor slab. This allows an area for insulation and fill material under the slab. Overlap the seams about 6 to 8 inches and seal the seams with waterproof construction tape. How to insulate a concrete floor before pouring.

Why it s important to insulate a concrete floor in the basement. But fewer know that a.