Insulating Existing Concrete Block Walls

While fiberglass often comes in batts it does come in loose fill form as well making it easy to install without tearing open any walls.

Insulating existing concrete block walls.

I have a 1950s brick colonial with uninsulated concrete block walls. Inside the drywall is nailed to studs fastened flat against the block. We use a two part system that combines a spray dried polymeric resin with a foaming catalyst to create a dry foam that is unlike anything else in the spray foam industry. Each masonry wall design has different advantages and limitations with regard.

The simplest and most affordable method of insulating the interior of a block wall is to install rigid foam board insulation. And there is no effective way to fill the voids in an existing concrete block wall. Fiberglass is a great way to insulate an existing 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.

The variety of concrete masonry wall constructions provides for a number of insulating strategies including. 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. Interior insulation insulated cavities insulation inserts foamed in place insulation granular fills in block core spaces and exterior insulation systems. While these are the options again the material available to use depends on whether the walls will be covered or the open top is exposed like in a remodel or new build.

Available in large three by five or four by eight sizes the panels. This can be done with pretty much any rigid insulation. Before insulating coat the exterior of the walls with fluid applied water control and air control layers. The option for insulating concrete block walls includes spray foam insulation injection foam insulation polystyrene beads foam boards and loose fill masonry insulation.

Insulated concrete block is a process that can be done on a new construction project or added to the walls of an existing structure. With a small hole and a pump you can insulate your existing walls with minimum fuss. 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. 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.