Insulation Over Existing Concrete Floor

1 to prepare for insulating the floor first evaluate the condition of the concrete.

Insulation over existing concrete floor.

Installation instructions and illustrated drawings are recommendations only while proper local construction methods are the responsibility of the installer. Insofast s insulation panels provide an easy way to insulate a cold concrete floor. Instructions lay vapor barrier insulating concrete garage floors begins with covering the entire floor with 6 mil polyethylene which. Measure 16 inches from the face of one wall.

When demolishing the existing finishes with the aim to better waterproof the concrete from the interior i discovered mould on the concrete walls and floor. How to insulate a garage floor above a concrete slab. The floor was carpet installed over thin poly likely 3 4mil and the walls were 2x4 fibreglass batt insulated with the same thin poly over them. Use a utility knife to cut the foam to size.

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. Insulate existing concrete floors 1. Reflectix has an insulating upgrade available for a radiant floor system installed over an existing floor. Is the insulation strong enough.

Be sure to use compression grade rigid. Not a finished surface you will need to lay a chipboard layer over the insulation boards adding to the height. How the floor will be used. Levelling floors a layer of insulation can help to level badly finished concrete floors.

Also check the floor for smoothness and level. Cons of insulation boards. You may need to grind down significantly high spots to ensure an even surface. Overlap the seams of the vapor.

If you know you have issues with moisture tend to those problems before installing the insulation. Thickness many types of insulation board are at least 50mm thick raising the level of the floor. Mark this measurement on the floor with chalk then continue to make. Cover the entire floor with a vapor barrier such as 6 mm polyethylene sheeting.

Concrete is cold and hard but an insulated concrete slab can make a heated garage significantly warmer and more energy efficient. Our specially designed concrete slab insulation. Insofast is a diyers dream a simple way to install insulation needing only a hand saw utility knife and caulking gun. Lay rigid foam lay sheets of high density rigid foam over the polyethylene.

Place a length of. Much depends upon whether the floor is new or existing.