Henry 608 – 33# Premium SBS Modified Glass Base Sheet is a high-performance base sheet for hot asphalt, cold process or torch applications, and is suitable for use over various combustible and non-combustible decks as the initial ply or multiple interplies for a specified roof system. This product is manufactured on tested fiberglass mat, impregnated and coated with SBS modified asphalt, and lightly surfaced with a mineral release material.

Features

• Provides a premium SBS modified base and ply sheet
• Contains the asphalt equivalent of Type G2 base sheet and may be used where a quality base sheet is specified
• Approved for use on all fire-rated roofs
• 3 square roll
• ASTM D4601