Difference between revisions of "Materials:Retrofit Board"
Difference between revisions of "Materials:Retrofit Board"
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Revision as of 21:14, 6 October 2016
Manufacturer: JOHNS MANVILLE CORPORATION
Contact Address: See Membership List, Section 1
Product Group: PERLITIC ROOF INSULATION - RETRO-FIT BOARD
Country of Origin: USA
Country of Manufacture: USA
DESCRIPTION
The roofing assembly / material information published in the RCABC Roofing Practices Manual does NOT represent a complete set of the manufacturer’s data or specifications. The preparation of a detailed specification is the responsibility of the design authority.
Retro-Fit Board is a perlite-based utility board for use as a divorcing layer in reroofing and in new construction as a top layer in a multi-layer insulation system.
Half-inch Retro-Fit Board is a high density board made of expanded perlite and cellulosic fibres. It serves as an upgrade for wood fibre utility roofing products. The perlite particles are subjected to intense heat, which causes them to expand approximately fifteen times their original size.
The top surface is sealed with Top-Loc coating to ensure good attachment in bituminous applications. The minimum recycled content is 35% by weight.
Retro-Fit Board Insulation / Overlay
| Thermal Resistance: | RSI = .23 / 13 mm (R value = 1.32 / 1/2 inch) | ||
| Uses | 13 mm (1/2") Retro-fit Board is a perlite-based utility board for use as a divorcing layer in reroofing and in new construction as a top layer in a multi-layer insulation system. It is not recommended for use directly over steel decks. It may be applied using hot bitumen and / or mechanical fasteners. It may be used as a primary or overlayment board. | ||
| Standards: |
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| Compressive Strength: | CSA A284-1976 37 psi | ||
| Density: | CSA A284-1976 13 pcf | ||
| Standard Sizes | 0.6 m x 1.2 m (24" x 48") |
1.2 m x 1.2 m (48" x 48") |
1.2 m x 2.4 m (48" x 96") |
| Thicknesses: 13 mm (½") | |||
Download a copy of the Technical Data Sheet (TBA)