Rigid Roof Insulation Types

This is easiest to do while building the house.

Rigid roof insulation types.

Seven common types of roof insulation facilities management insights learn about perlite insulation insulation roofing roof insulation cellular glass insulation gypsum board polystyrene insulation polyisocyanurate insulation and related trends for building operations success daily enews sign up. Must be covered with weatherproof facing. Other foams are sprayed into place and then expand to fill the space between the ceiling and roof. It is often used as a layer of continuous insulation on exterior walls and in the roof.

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. 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. 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. Used most widely in insulated concrete forms and structural insulated panels. Foam can also be used as roof insulation. Rigid foam insulation packs a lot of r value into a relatively thin package.

Used in roof wall floor below grade structural geofoam applications. 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. Foam board or rigid foam. Expanded polystyrene eps the most versatile of the three rigid insulation options.