Henry 607 33# Fiberglass Base Sheet (UL Type G2) is a heavy duty, asphalt-coated sheet with a core of heavy-weight, non-woven fiberglass mat, suitable for use in fire retardant membrane assemblies, built-up roofing systems, ply sheets and base sheets.  It has a coating layer of asphalt on each side that reacts with Henry Cold Application Cements solvents to provide excellent adhesion without decrease in tensile strength.

May be applied with the following Henry cold application asphalt cement solutions:
203 Cold-Ap Roof and Lap Adhesive
403 Spray-grade Cold-Ap Cement
902 PBA Permanent Bond Adhesive
903 Modified Bitumen Membrane Adhesive
890-12 Hot Rubberized Asphalt or 790-11 Hot Rubberized Asphalt