Insulating A Concrete Wall The Best Way

Polystyrene bead cavity wall insulation t his option is used when the concrete block wall is open at the top.

Insulating a concrete wall the best way.

Fortunately there are lots of different ways you can do this. 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. It may look easy to go buy some packs of rigid insulation panels down at the local hardware store and screw them to your walls but unless you understand how your existing walls are built and how they work in terms of keeping. There are three ways to insulate basement walls.

The option for insulating concrete block walls includes spray foam insulation injection foam insulation polystyrene beads foam boards and loose fill masonry insulation. Next you will create a wood grid that will hold the drywall. From the outside from the middle of the foundation and from the inside of the structure. And there is no effective way to fill the voids in an existing concrete block wall.

One disadvantage of rigid foam is for it to be effective it must be attached directly to the wall using adhesive or idp foam insulation anchors. Adding extra insulation to the exterior walls of an older home when renovating or remodeling is a great way of improving a home s walls thermal performance and reducing energy use while reducing heating bills carbon footprint and improving a building s comfort level. The beads to be used are poured into the open block cavities at the top. Rigid foam panels are also a good way to insulate on the inside of concrete basement walls.

Cut 2 by 4 lumber to the height of your concrete wall minus 1 1 2 inches for a header and footer. After the cement is set apply a foam board adhesive to the rear of a polystyrene insulation panel then press the panel to the wall. The variety of concrete masonry wall constructions provides for a number of insulating strategies including. A common way to improve the thermal performance of those walls is to fill the cavities with a foam in place insulation.

For example if you have a 7 foot wall you ll need 6 foot 10 1 2 inch long studs. Interior insulation insulated cavities insulation inserts foamed in place insulation granular fills in block core spaces and exterior insulation systems. Depending on thickness and the type of foam you choose super high effective r values can be achieved. If you want a home to remain at acceptable temperatures throughout the year by blocking the airflow through the concrete blocks you have to insulate the walls.

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.