Johns Manville


TopLoc® Coating: Top surface is sealed with this special coating
to reduce excessive adhesive absorption in hot-asphalt and cold
applied roofing systems, and to provide a strong surface for
bonding bituminous membranes.
Expanded Perlite: Provides good dimensional stability, excellent
insulation value with stable R-value and superior 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.
High Density: Provides additional strength and durability over 1/2"
Retro-Fit Board with low moisture content and water resistance
compared to wood fiber board.

Width: 4/ft.
Height: 8/ft.
Depth: in./in.
2 Options

4 ft. x 4 ft. x 0.5 in.

4 ft. x 4 ft. x 0.5 in.

8 ft. x 4 ft. x 0.5 in.