Roofs - Insulation (Waterproofing Systems)

2 Composite Board Insulation

Posi-Slope Western

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Soprema Inc.

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4 XPS (Extruded Expanded Polystyrene Foam)

Tech-Crete Processors Ltd.

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Dow Chemical Canada Inc.

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Owens Corning Canada

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5 EPS (Expanded Polystyrene Foam)

Mansonville Plastics (B.C.) Ltd.

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Plasti-Fab

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7 Polyisocyanurate Foam

Manufacturer	Product Name	Density (kg/cu. m)	Compressive Strength (kpa/psi)	Long-term Thermal Resistance (RSI)
Atlas Roofing Corporation	AC Foam III
	AC Foam Supreme
Carlisle Syntec Systems Canada	Sure-Seal Plyisocyanurate HP
Firestone Building Products	Firestone Resista
'Hunter Panels	H-Shield CG
	H-Shield Premier
	H-Shield Composite
Johns Manville Corporation	ENRGY 3 AGF Insulation
IKO Industries Ltd.	IKOTherm
Siplast	JParatherm
	Paratherm K
Soprema Inc.	Sopra-Iso Plus	32/2.0	138/20	1.06 / 25 mm (1") [R Value = 6.0 / 25mm (1")]

Atlas Roofing Corporation

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Carlisle Syntec Systems Canada

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Firestone Building Products

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Hunter Panels

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Johns Manville Corporation

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IKO Industries Ltd.

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Siplast

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Soprema Inc.

Sopra-Iso Plus

8 Fibreboard Roof Insulation

Building Products of Canada Corp.

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IKO Industries Ltd.

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Western Louiseville Fibreboard Inc.

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9 Perlitic

Johns Manville Corporation

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10 Mineral Fibre Roof Insulation

Roxul, Inc.

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Soprema Inc.

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11 Lightweight Insulating Concrete

Siplast

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