Half-Inch Retro-Fit Board

Half-Inch Retro-Fit Board

Product Descriptive Name
Perlite-Based Cover Board 
Product Short Description
1/2" Retro-Fit™ Board is a low-thermal, perlite-based cover board with recycled materials providing strength to the board.

Product Details

Half-Inch Retro-Fit Board

Product Long Description

Features

Half-Inch Retro-Fit Board

Features

Meets the requirements of ASTM C 728, Type 2 

TopLoc® Coating: Top surface is sealed with this special coating to reduce excessive asphalt absorption in hot-asphalt applied roofing systems.

Expanded Perlite: Provides good dimensional stability, excellent insulation value with stable R-value and fire resistance.

Reinforcing Cellulosic Fibers: Consists of recycled newsprint to provide strength to the board as well as high recycled content. JM utilizes third party certification by UL environment to certify the recycled content and contributes to the LEED Materials and Resource (MR) credit 4.

Hot Asphalt Friendly: Utility board for use as a divorcing layer in re-roofing and in new construction as a top layer in multi-layer insulation systems proven to reduce the tendency for blistering in hot asphalt applications.

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Building Owner Resources

Johns Manville offers one of the most comprehensive portfolios of commercial low-slope roofing solutions. We have a long standing dedication to providing solution-based systems for building owners.

Codes Corner

Here you will find quick links and cheat sheets to Johns Manville roofing systems code approvals and ratings. 

Guarantees and Roof Maintenance

Support services can include: conceptual product information, building science, wind uplift data, national and local code understanding, FM Global® and UL® regulations, fastening patterns and sheet layouts, installation guidelines and standard details.

Recycling Resources

Re-roofing mechanically attached or ballasted insulated single-ply systems now have the potential for recycling versus contributing to a landfill.

SmartBinder Resource Library 

Your resource for all JM documents in one place. 

Submittal Wizard

The Submittal Wizard is a tool to help you pull together the necessary documents for your submittal package.

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