DoubleStick Roof Repair Tape

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DoubleStick is an advanced MicroSealant™ tape with a removable siliconized release liner on each side. Designed to bond two surfaces, even two surfaces made of two or more dissimilar materials. DoubleStick creates a tight, permanent, waterproof seal. DoubleStick remains flexible to temperatures as low as -70° F making it virtually impossible to thermally shock the seal causing a leak. DoubleStick bonds to a wide range of surfaces including EPDM, TPO, aged PVC, SBS, APP modifieds, asphalt BURs, coal tar BURs, tiles, shingle, coated and non-coated aluminum and metal roofs, galvanized steel, gypsum board, wood, polyethylene, propylene, polystyrene, fiberglass, brick, concrete, masonry, OSB board, shielding membranes, etc.


Surface must be clean and dry. Moisture, dust, dirt or other foreign matter should be removed. Remove oil and grease, etc. with isopropyl alchohol or a non-residue cleaner such as acetone or lacquer thinner. Remove salt and other contaminants. To apply the DoubleStick, remove one side of the release liner and apply to the surface to be protected or bonded. Rub or roll with pressure using your hand or steel roller to activate bonding process. Remove the second release liner and apply second surface to tape, apply pressure. DoubleStick also can be used as a putty. Remove both release liners and roll into a rope. Place over gap and mold to seal opening. This material may be applied to clean dry surfaces from 150° F to -20° F ambient. Treat surface with EternaPrime for installations from 40° F to -20° F ambient.

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Product Features

    • Adhesion 19 lbs/in width
    • application temp 150F to -20F ambient
    • elongation >500%
    • shelf life up to 5 years
    • pliability no cracks in membrane