Rigid Roof Insulation Types

Rigid foam insulation for commercial roofing.

Rigid roof insulation types.

Rigid foam insulation packs a lot of r value into a relatively thin package. Highest average r value per dollar about 4 6 r per inch costs the least while meeting or exceeding all required building and energy codes. Used most widely in insulated concrete forms and structural insulated panels. Polyurethane is one of the most common types of foam insulation.

Must be covered with 1 2 inch gypsum board or other building code approved material for fire safety. This is easiest to do while building the house. Expanded polystyrene eps the most versatile of the three rigid insulation options. Other foams are sprayed into place and then expand to fill the space between the ceiling and roof.

There are a few types of insulation options the facility manager owner can choose from. Some foam insulation is rigid cut to size and put into the correct place under the roof. Foam board or rigid foam. Polyiso vs xps vs eps since typical membrane roofing does not include the insulation factor as a customer you have more options to choose from to insulate your facility s roof.

Must be covered with weatherproof facing. Foam can also be used as roof insulation. Used in roof wall floor below grade structural geofoam applications. It is often used as a layer of continuous insulation on exterior walls and in the roof.