Description: Del-Val SBS Modified Adhesive- Brush Grade is a cold applied, SBS polymer modified asphalt roofing adhesive that provides excellent adhesion and a flexible bond when adhering to SBS modified bitumen base sheets and SBS modified bitumen cap sheets.
Uses: Del-Val SBS Modified Adhesive- Brush Grade is used to install SBS modified bitumen base and ply sheets, SBS modified bitumen cap sheets and can also be used for conventional built-up roofing systems. This product is designed for horizontal applications. DO NOT USE with EPDM, PVC, TPO or other single ply membranes. DO NOT USE with modified membranes that have a polyolefin film.
Preparation: All surfaces must be clean and free of any oil, grease, dirt and all other foreign matter. Repair all problem areas with Del-Val SBS Modified Flashing Cement-Trowel Grade. Metal surfaces must be free of all rust.
Application: Apply to a clean dry surface using a brush or notched squeegee. Spread product uniformly and avoid heavy mounds of mass accumulation. All membranes should be fully adhered in position before the adhesive sets. For best results press the sheets with a heavy roller after they are in place to ensure a tight bond between plies.
Coverage: Apply at a rate of 1 to 1.5 gallons per 100 sq. ft. for smooth surfaces. On porous surfaces a rate of 2 gallons per 100 sq.ft. may be required.
Cleanup: Clean tools with mineral spirits, taking necessary precautions when handling combustible liquids.
Code Approvals/Compliance: This product meets or exceeds the requirements of ASTM D-3019 Type III