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Johns Manville
Retro-Fit™ Perlite-Based Cover Board
QXO product C-012601 · 2 options
Selected: JMC FESCO RETROFIT 0.5 4X4
QXO SKU 12603 · Product number JMC05RT4
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- Dimension
- 4 ft x 4 ft
- UOM
- PC|SQ
- Item Weight
- 7.856
- Thickness
- 0.5 in
- Algae Resistance
- No
- Applicable Standards
- UL Classified FM Approved Miami Dade County Approved ASTM C728, Type 2
About this product
Retro-Fit™ Board is a high density board made of expanded perlite and cellulosic fibers. The top surface is sealed with TopLoc® coating to ensure good attachment in bituminous applications.



