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Roof Insulation Introduction


Insulation Systems for Roofing Applications

Selection, Application and Specification

The installation method for PlastiSpan insulation varies dependent upon the type of roof assembly. The selection chart below indicates various types of roof assemblies that use PlastiSpan insulation. A Plasti-Fab brochure is available for more information on the use of PlastiSpan insulation for each type of roof assembly indicated.



Sloped Insulation

Sloped Insulation

Provides positive slope to drain while maintaining the structural and economic advantages of a flat roof deck system.

Standing Seam

Standing Seam

Variety of profiles and colours.

Install at any temperature.

Easily installed over thermal barriers on steel decks.





Built-Up Roofing

Built-Up Roofing

Economical for high thermal resistance.

Fibreboard provides an excellent and familiar surface for the application of built-up roofing.

Easily installed over thermal barriers on steel deck.

Fire-Rated Assemblies

Fire-Rated Assemblies

Can be used in roof assemblies for either non-combustible or combustible construction.

Listed as component in a number of ULC rated roof deck constructions.





Single Ply Roofing

Single Ply Roofing

PlastiSpan insulation adapts to requirements of single ply membrane.

Economical for high thermal resistance.

Easily installed over thermal barriers on steel decks.

Cathedral Ceilings

Cathedral Ceilings

Ideal where exposed timber deck is chosen inside building finish and slope is sufficient to allow the use of shingles, shakes or tiles.





PlastiSpan Insulation Properties

Insulation Properties Chart