Tag: insulation

Blanket Insulation

Glass fiber or other compressible fibrous insulation, generally available in roll form.

Also called Batt Insulation.

Cellular Glass Insulation

A rigid closed-cell insulation board made from crushed glass and hydrogen sulfide gas.

Composite Board Roof Insulation

Rigid board insulation generally comprised of perlite or wood fiberboard factory bonded to polyisocyanurate or polystyrene.

Cutoff

A permanent detail designed to prevent lateral water movement in an insulation system and used to isolate sections of a roofing system. (Note: A cutoff is different from a tie-in, which may be a temporary or permanent seal.) (see Tie-In.)

Glass Fiber Insulation

Blanket or rigid board insulation, composed of glass fibers bound together with a binder, faced or unfaced, used to insulate roofs and walls.

In-Service R-Value

Thermal resistance value established under installed conditions and measured over the expected service life of the material.

Insulation

Any of a variety of materials designed to reduce the flow of heat, either from or into a building. (see also Thermal insulation.)

Thermal Insulation

A material applied to reduce the flow of heat.