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 wall insulation types.

Check behind knee walls which are walls between living spaces and the garage or attic. The thickness of thermal insulation is dependent on whatever type is required in order to create. Because they have a high r value and can be used nearly anywhere in your home foam board insulation is one of the most common types of insulation. They are very effective in exterior wall sheathing interior sheathing for basement walls and special applications such as attic hatches.

Foam board or insulating boards are rigid panels of insulation that have a high r value. 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. Once the insulation is in the wall and sealed up with drywall it is not easy to change out.

Best for floors foundation and basement walls interior and exterior wall sheathing and low sloped ceilings. When you are insulating two by four 2x4 and two by six 2x6 framed exterior walls and want to use fiberglass insulation what thickness is best the question becomes all more critical because of the permanent nature of wall assemblies and wall insulation.