Derbiboard CA Tapered

Product Documents

DERBIBOARD CA Tapered is a polyisocyanurate insulation board designed to provide positive slope drainage for low slope roofing assemblies. The foam core is integrally bonded to inorganic coated glass facers for added strength, dimensional stability and resistance to mold growth. DERBIBOARD CA Tapered comes in a variety of slopes and thicknesses to provide design flexibility and a wide range of R-values.

Product Properties

C1289, Type II, Class 1, Grade 2 (20 psi) or Grade 3 (25 psi)
Installation Method

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