Rigid Foam Insulation Exterior Foundation

Deputy editor matthew millham responds.

Rigid foam insulation exterior foundation.

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. Eps is used under roofing over foundation walls and beneath siding. Rigid insulation is one of the best tools to reduce your energy costs. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.

But there are some cautions here as well particularly in climates where repeated freeze thaw cycles are a fact of life. Use metal or plastic reinforcing to strengthen the cement parging on foundation foam boards. Get free shipping on qualified exterior wall foundation foam board insulation or buy online pick up in store today in the building materials department. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation.

Installing foundation insulation panels foundation insulation panels are designed with speed and efficiency in mind. 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. They keep your home at a comfortable temperature without the need to crank your heat. 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.

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. Rigid foam insulation also known as insulating boards provide high r values. The most common approach is to apply a stucco like parged finish with a surface bonding cement. Some locations don t permit it because it can be a pathway for insect intrusion.

Insulating exterior foundation walls residential insulation owens corning concrete walls let cold from the ground transfer directly into the basement. Install it anywhere from the roof to the foundation. R 7 7 rigid foam insulation model 310891 18 35 18 35. Insulating exterior foundation walls.

There is no perfect material for covering and protecting exterior foam on foundations. 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. Concrete walls have low insulating value which means cold from the ground transfers directly into the basement.