Description: Roof-Master All Weather Flashing Cement is unique high quality flashing cement that has been manufactured using the highest quality chemical ingredients. Its flexible smooth trowel consistency makes this product ideal for patching emergency holes and cracks in roofs. Roof-Master All Weather Flashing Cement is ideal for sealing emergency leaks to both wet and dry roof surfaces and has excellent underwater adhesion.
Uses: Specially formulated for use in damp, wet roofing situations. Roof Master can be used as a heavy duty flashing cement for repairing flashings, asphalt shingles, built-up roofs, metal and masonry surfaces. Great for sealing leaks and openings at flashings (chimneys, vents, skylights, metal joints, 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 Roof All Weather Master 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) Code Approvals/Compliance: This product meets or exceeds the requirements of ASTM 4586 Type 1 and ASTM D-3409
Cleanup: Clean tools with mineral spirits, taking necessary precautions when handling combustible liquids.
Precaution: DO NOT THIN. DO NOT HEAT CONTAINER. DO NOT store in an area where temperatures exceed 120°F.
V.O.C. Less than 300 g/L