The correct method of using rigid foam is to run continuous 4 foot by 8 foot sheets of the foam across the concrete basement wall making the rigid foam the de facto wall.
How to install foam insulation board on a concrete wall.
After that thin furring strips are installed on top of the foam to provide a firm base for the drywall screws and drywall but can you run rigid foam between the studs just as you would do with fiberglass rolls or spray foam.
It is recommended that you install foam board insulation for exterior walls of concrete foundations concrete slabs basement walls and crawl spaces.
The concrete should be dry and free from cracks before installing foam insulation boards.
Concrete is a pretty good insulator but the addition of foam insulation board increases the insulation value greatly.
If necessary address moisture problems and seal cracks before you begin.
There are also energy and tax rebates available to people who install extra insulation in their homes.
There s two ways you can go about with foam board insulation.
Firstly you can apply it directly onto the house s concrete walls with the help of a construction adhesive that will hold it in place.
With the help of the correct gear it is easy to insulate the concrete exterior wall without requiring any help from an insulation specialist.