Can you insulate concrete walls?

Insulation for Concrete Walls. Concrete walls can be insulated on the interior or exterior face, or by embedding the material within the wall. Interior installation, using the rigid board, batt, or spray-on methods, is the least expensive method.Click to see full answer. Moreover, what is the best way to insulate a concrete wall?Add a layer of 1/2-inch drywall over any rigid foam insulation. This drywall is required by most building codes to ensure a fire-safe insulation. Never use rigid foam without also adding drywall to ensure fire safety. Use concrete adhesive to secure rigid foam to the wall as needed if friction isn’t sufficient.Also, is concrete a good insulator? Although concrete is not a particularly good insulator, heat loss or gain through a concrete slab is unlikely to be as significant as heat transmission through above-ground parts of your home, such as windows and doors, which are directly exposed to cold air and sunlight. Subsequently, one may also ask, can you put insulation against concrete? It’s not recommended that you apply fiberglass insulation directly to a concrete wall. If you must use fiberglass, there needs to be a space between the insulation and the wall. You can reduce the risk of moisture issues if you first cover the concrete with a continuous layer of rigid foam or closed-cell spray foam.Do concrete block walls need insulation?Depending on whether the concrete block walls will be covered or if the top of the wall is exposed can really change the way they are insulated. The option for insulating concrete block walls include spray foam insulation, injection foam insulation, polystyrene beads, foam boards, and mineral loose-fill.