SBS Modified Flashing Cement
Del-Val 212 SBS Modified Flashing Cement is a high-quality cement that is formulated to a heavy, smooth, trowel consistency with great elasticity. Del-Val 212 SBS Modified Flashing Cement is used as a cold applied flashing cement in many types of asphalt roof membranes. Del-Val 212 SBS Modified Flashing Cement is ideal for attaching roofing membranes to steep slope and parapet walls.
Primarily used for applying SBS modified bitumen membrane flashings to parapet walls, curbs and repairing roof penetrations and for a host of repairs on various surfaces.
Quick Application Guide
Min Mil Thickness
Apply with Trowel
Embed with Fabric
Per Square (Per Coat)
This product is primarily 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.
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.
Apply with a trowel or putty knife. Spread Del-Val 212 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.
Approximately 8 gallons per sq (per coat)
Cleanup Del-Val 211 Flashing Cement
Clean tools with Del-Val Orange Cleaner & Degreaser or mineral spirits, taking necessary precautions when handling combustible liquids.
Code Approvals / Compliance
This product meets or exceeds the requirements of ASTM 4586 Type I
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