Exterior Wall Insulation Types

Turn off the electricity then remove an electrical outlet cover for a view of exterior insulation.

Exterior wall insulation types.

They provide good thermal resistance up to 2 times greater than most other insulating materials of the same thickness and reduce heat conduction through structural elements like wood and steel studs. The most effective places to add insulation to older homes are exterior walls attics basements and crawl spaces. Installing this type of insulation is an inexpensive and diy friendly project since the materials are designed to fit into the standard width between wall studs attic rafters and floor joists. Spray foam wall insulation.

Check garage walls and ceilings that are adjacent to conditioned spaces. An external wall insulation system or ewis is a thermally insulated protective decorative exterior cladding procedure involving the use of expanded polystyrene mineral wool polyurethane foam or phenolic foam topped off with a reinforced cement based mineral or synthetic finish and plaster. Check behind knee walls which are walls between living spaces and the garage or attic. R values r values vary based on the type thickness and density of the material being used.

They are very effective in exterior wall sheathing interior sheathing for basement walls and special applications such as attic hatches. Spray foam is one of the more unique wall insulation types. The thickness of thermal insulation is dependent on whatever type is required in order to create.