Exterior foundation insulation

Concrete walls have low insulating value, which means cold from the ground transfers directly into the basement. Energy gurus and building codes routinely recommend these days that foundation walls be insulated. One way of accomplishing that is by . The slab is insulated with XPS rigid . Prepared for: The National Renewable Energy Laboratory.

Styro Industries FlexCoat Foundation Coating - gal.

Exterior foundation insulation uses extruded or expanded polystyrene directly on the exterior of basement walls.

When exterior foundation walls are insulated , it helps the concrete stay warm and uses thermal mass properties to help keep the basement . My next step was to improve the insulation of the exposed concrete foundation wall. Installing insulation on the exterior basement wall presents you with some choices. Insulation exposed above-grade must be . Slab-on-grade foundations are often insulated either over the exterior of the . Exterior insulation places the foundation wall within the thermal envelope. This means the wall will be warmer in winter, and moisture is free to dry to the interior.

Foundation walls with moisture from exterior sources on the interior surface should . The first consideration of insulation applied to the exterior . Exterior foam insulation is often damaged during backfilling, and is difficult to protect above . Acceptable materials for exterior foundation insulation are extruded polystyrene boards (XEPS) under any condition and molded expanded polystyrene boards . Owens Corning FOAMULAR commercial foam insulation selection guide. R-cavity insulation at the interior of the basement wall. If the foundation is insulated with rigid foam on the exterior , the insu-. Innovative Foundation Wall Exterior. Masonry or Concrete Foundation Walls.

Cast -in-place concrete or block-type walls are the most commonly used in Canada. With the current push to retrofit homes, it is important to understand how moisture transfer is affected by common exterior insulation methods.