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GlossaryRigid Insulation |
Rigid board material that provides thermal resistance. Foam plastics such as expanded polystyrene (EPS), extruded polystyrene (XPS), and polyisocyanurate are commonly used.
Related terms: Expanded Polystyrene Insulation, Extruded Polystyrene Insulation, Polyisocyanurate
Related resource: Guide to Insulating Sheathing
