How To Insulate Concrete Block Walls
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How to insulate concrete block walls. In your climate zone zone 5 code requires you to insulate concrete block and other mass walls to at least r 13 if all of the insulation is on the exterior. Today there is no need to lose out on valuable interior space as you can use external wall insulation to insulate your concrete block house. The simplest and most affordable method of insulating the interior of a block wall is to install rigid foam board insulation. Insulating concrete walls new ways to better insulate concrete walls concrete masonry block walls are a popular perimeter wall option in several areas.
I have a 1950s brick colonial with uninsulated concrete block walls. David caruso springfield pa. That s because in the past insulating concrete block homes meant adding interior wall insulation by building another wall against the concrete and insulating between the studs. Here s how to make sure they are insulated to meet stricter energy standards.
Inside the drywall is nailed to studs fastened flat against the block. And there is no effective way to fill the voids in an existing concrete block wall. Before insulating coat the exterior of the walls with fluid applied water control and air control layers. This can be done with pretty much any rigid insulation.