Difference between revisions of "Roofs - Insulation (Waterproofing Systems)"

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<big><big>Division C - Accepted Materials</big></big>
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<big><big><big><big><big>Roofs: Insulation</big></big></big></big></big>
 
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Latest revision as of 22:31, 19 September 2025


Division C - Accepted Materials


Roofs: Insulation

Accepted Materials for a RoofStar Guarantee

The tables and products shown below provide basic material data and links to more information about the materials, including manufacturers' published Technical Data sheets, but this information is not intended for use as a comparison of material performance or quality. It is the sole responsibility of the Design Authority to assess the performance capability and material suitability for specific design requirements.

The materials listed are those which have been accepted by the RoofStar Guarantee Program (RCABC Guarantee Corp., or RGC) for use in a roof or grade-level waterproofing system that will qualify for a RoofStar Guarantee. The acceptance of these materials by the RGC (RoofStar Guarantee Program) in no way reflects on the quality or performance of other materials not listed.

The materials and guideline specifications are listed under the name of the manufacturer and/or supplier of the primary membrane material, with the exception of BUR membranes for which the reader will find RoofStar Guarantee Program guidelines on traditional built-up roofing systems (BUR) incorporating organic and glass felt primary membranes.

1 Heat-resistant Insulation

Polyisocyanurate Foam

Template:Materials - Insulation (Polyisocyanurate)

Mineral Fibre Roof Insulation

Template:Materials - Insulation (Mineral Fibre)

Perlitic Insulation

Template:Materials - Insulation (Perlitic)

Lightweight Insulating Concrete

Template:Materials - Insulation (Lightweight Concrete)

2 Heat-sensitive Insulation

Because of their nature, heat-sensitive insulation materials need to be protected from temperatures exceeding the published service temperature (the maximum specified in-service in-service temperature for the material, above which the product may suffer distortion and reduced thermal performance). Thus, the Design Authority must refer to the applicable RoofStar Guarantee Standards for the roof system and review the requirements for suitable overlays, when applicable.

XPS (Extruded Polystyrene Foam)

Template:Materials - Insulation (XPS)

EPS (Expanded Polystyrene Foam)

Template:Materials - Insulation (EPS)

3 BUR and Hot-mopped Applications only

Fibreboard Roof Insulation

Template:Materials - Insulation (Fibreboard)


Accepted Materials

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© RCABC 2026
RoofStarTM is a registered Trademark of the RCABC.
No reproduction of this material, in whole or in part, is lawful without the expressed permission of the RCABC Guarantee Corp.