How To Insulate A Poured Concrete Wall

The best way to insulate the interior side of a basement wall is with foam insulation that is adhered to or sprayed directly on the concrete.

How to insulate a poured concrete wall.

How do i insulate walls with stud bays only 1 inches thick. Basements provide for a very challenging insulation problem. A builder in idaho wonders how to waterproof a foundation wall that will be insulated on the exterior with 2 inches of rigid foam insulation and whether there is any benefit to fully encapsulating the footing with foam. The insulation may be rigid board extruded or expanded polystyrene or polyisocyanurate closed cell spray polyurethane foam cellular glass fibrous batt or fibrous blown in insulation note however that fibrous insulation is susceptible to moisture.

Poured concrete walls can leak moisture through non structural cracks in the wall where the floor and wall meet at the top of the foundation wall or through the porous concrete. Any of the following insulation materials are acceptable for this purpose. How to insulate an exterior face of a concrete block wall polystyrene foam boards commonly called foamboard are a clean lightweight convenient way to insulate bare concrete walls. Closed cell spray polyurethane foam or either xps eps or polyisocyanurate rigid foam.

And there is no effective way to fill the voids in an existing concrete block wall. Basement walls made out of concrete stone concrete bloc and other masonry foundation materials have very minimal insulating properties and cause approximately 20 of heat loss in a home. Adding insulation to your concrete walls. Your only option is to cover the inside of the exterior walls with a continuous layer of insulation as though you were insulating a basement wall.

Interior insulation refers to insulation applied to the interior side of the concrete masonry as shown in figure 1. How to insulate a concrete wall. David caruso springfield pa. Best methods for insulating basement walls.

Basements are a challenge because of high moisture levels and cooler temperatures. Insulating a concrete foundation. I ve written several articles on insulating basement walls and evolved some of my methods over time. Leaks may occur if the foundation drops settles or sinks due to the soil below the foundation collapsing.