Rigid Foam Insulation Exterior Foundation

Set your store to see local availability add to cart.
Rigid foam insulation exterior foundation. Insulating exterior foundation walls residential insulation owens corning concrete walls let cold from the ground transfer directly into the basement. When foamular rigid extruded polystyrene xps foam insulation is installed directly against the foundation wall your customers can enjoy insulated comfort in their basement living space. Some locations don t permit it because it can be a pathway for insect intrusion. Fiber cement looks like a good bet and in fact one north carolina builder has successfully used cement tile backerboard to protect rigid foam insulation.
Eps is used under roofing over foundation walls and beneath siding. They keep your home at a comfortable temperature without the need to crank your heat. Install it anywhere from the roof to the foundation. Rigid foam insulation also known as insulating boards provide high r values.
Get free shipping on qualified exterior wall foundation foam board insulation or buy online pick up in store today in the building materials department. Concrete walls have low insulating value which means cold from the ground transfers directly into the basement. There are a lot of different products and materials that can achieve what you re after but first make sure your local code allows exterior rigid foam on foundations. The most common approach is to apply a stucco like parged finish with a surface bonding cement.
Insulating exterior foundation walls. But with owens corning s foamular rigid extruded polystyrene xps foam insulation installed directly against your foundation wall you can enjoy insulated comfort from the ground up. R 7 7 rigid foam insulation model 310891 18 35 18 35. Use metal or plastic reinforcing to strengthen the cement parging on foundation foam boards.
But there are some cautions here as well particularly in climates where repeated freeze thaw cycles are a fact of life. With its excellent moisture resistance and rugged construction it won t lose any insulating power even after long term exposure to water or decaying. Deputy editor matthew millham responds. Rigid insulation is one of the best tools to reduce your energy costs.
The panels can easily be cut with a utility knife and adhere to exposed concrete with rigid foam construction adhesive and or masonry style fasteners. You can even place it under the foundation slab. There is no perfect material for covering and protecting exterior foam on foundations.