Because it isolates the concrete s thermal mass from the inside space however it is the least desirable from the standpoint of energy conservation.
How to insulate exposed concrete walls.
Thermalwall ph rigid eps insulation board for insulating the exterior walls of homes.
Add a layer of 1 2 inch drywall over any rigid foam insulation.
A few simple tools are required.
Learning how to insulate concrete walls is a task suitable for the intermediate enthusiast.
Examples include rigid insulation adhered to the interior of the wall with furring and drywall applied over the insulation continuous insulation in a masonry cavity wall and exterior insulation and finish systems.
After the adhesive cures add extension boxes to the outlets and switches and spray foam into every gap top bottom and around each box.
The advantages are plenty here panels are between 4 5 inches and 8 inches thick the exterior insulation is continuous and they can be attached with 6 inch 10 screws from 4 to 6 inches long.
Use concrete adhesive to secure rigid foam to the wall as needed if friction isn t sufficient.
Concrete walls can be insulated on the interior or exterior face or by embedding the material within the wall.
Now as you glue the panels to the exposed concrete blocks leave a inch gap at the floor and ceiling and cut holes in the panels to fit around outlets and wall switches.
Be sure to wear gloves and protective clothing as well as a dust mask for your own protection.
This drywall is required by most building codes to.
Interior installation using the rigid board batt or spray on methods is the least expensive method.
If the concrete masonry wall will not include continuous insulation there are several other options to comply with the iecc requirements concrete masonry walls are not required to have continuous insulation in order to meet the iecc.
This guide will show you how to insulate concrete walls in any room of your home.