Description: Del-Val SBS Modified Flashing Cement is a high quality cement that is formulated to a heavy smooth trowel consistency with great elasticity. This product is used as a cold applied flashing cement in many type of asphalt roof membranes. Del-Val SBS Modified Flashing is ideal for attaching roofing membranes to steep slope and parapet walls.
Uses: This product is primary used for applying SBS Modified Bitumen membrane flashings to parapet walls, curbs and repairing roof penetrations. Used for sealing laps on SBS modified roofs and also to seal penetrations on APP products. Great for repairing (asphalt shingles, built-up roofs, metal joints, masonry surfaces, chimneys, vents, skylights and gutters) DO NOT USE with EPDM, PVC, TPO or other single-ply membranes.
Preparation: Surface must be clean and free of dirt, dust, oil or grease and be free of any other foreign matter that would interfere with good adhesion. In colder climates we recommend storing the product at room temperature for 24 hours prior to application.
Application: Apply with a trowel or putty knife. Spread Del-Val SBS Flashing Cement to approximately 1/8” thickness and work thoroughly into the problem area. Repairing cracks and blisters: if the area is 1/4”wide to 2” long apply United Asphalt Cotton or Fiberglass fabric for reinforcement then cover with additional cement.
Coverage: Approximately 8 gallons per 100 sq. ft. (per coat)
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 4586 Type 1