ProtectoR HD FR is a 1/2" high-density cover board with a Grade 1 compressive strength, closed-cell foam core (109 psi max) and premium inorganic coated glass facers that yield UL Class A approvals for single ply systems over a combustible wood deck.
With the growth of JM EPDM R FIT two-sided pre-taped, JM has decided to expand their offering to include a one-sided pre-taped solution available April 1st, 2019. This product will be available in thickness options of 045 mil, 060 mil, and 075 mil.
This ½” thick cover board serves as a versatile solution for re-cover applications and offers performance and value. Compatible with most membrane-application methods, the 25 psi compressive strength closed-cell foam core and inorganic coated glass facers offer dimensional stability, moisture resistance and high R-value (2.9) and will not promote mold or mildew growth.