Exterior Wall Insulation Types

Check garage walls and ceilings that are adjacent to conditioned spaces.

Exterior wall insulation types.

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. Exterior walls and floors. Spray foam is one of the more unique wall insulation types. Check behind knee walls which are walls between living spaces and the garage or attic.

Some spray foam offers twice the r value of traditional batt insulation making it a useful option for insulating shallow spaces. It starts out as a liquid during the installation process and hardens into thick foam after a few minutes. They are very effective in exterior wall sheathing interior sheathing for basement walls and special applications such as attic hatches. R values r values vary based on the type thickness and density of the material being used.

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