Rigid Roof Insulation Types

Used most widely in insulated concrete forms and structural insulated panels.

Rigid roof insulation types. Other foams are sprayed into place and then expand to fill the space between the ceiling and roof. Unfinished walls including foundation walls. Foam board or rigid foam. Rigid foam insulation packs a lot of r value into a relatively thin package.

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 1 2 inch gypsum board or other building code approved material for fire safety. It is often used as a layer of continuous insulation on exterior walls and in the roof. Used in this way the foam lowers the loss of energy through framing members a phenomenon called thermal bridging and increases the overall r value of the roof or wall assembly.

Must be covered with weatherproof facing. Polyurethane is one of the most common types of foam insulation. 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. There are a few types of insulation options the facility manager owner can choose from.

Expanded polystyrene eps the most versatile of the three rigid insulation options. Used in roof wall floor below grade structural geofoam applications. Some foam insulation is rigid cut to size and put into the correct place under the roof. Foam can also be used as roof insulation.