3M™ Sealing Tape 8777
3M™ Sealing Tape 8777 is a self-adhering, waterproof membrane designed to seal difficult-to-adhere-to surfaces. Its acrylic pressure-sensitive adhesive adheres aggressively and remains bonded at both low and high application temperatures.
Application Ideas: Sealing joints around window sills, jambs, and heads; sealing around wall penetrations such as thresholds, dryer vents, and hose bibs; concealed flashing in vertical walls
Temperature Resistance: Application -18 to 49 °C (0 to 120 °F); Service (AAMA 711-05) -40 to 116 °C (-40 to 240 °F)
Adhesive Type: Acrylic
3M™ Ultra Conformable Flashing Tape 3015UC
3M™ Ultra Conformable Flashing Tape 3015UC is a proprietary detailing tape for commercial construction, featuring a unique backing that stretches up to 370% in multiple directions. This elongation allows contractors to detail windows and other complex penetrations up to 40% faster, without cutting and splicing multiple pieces of tape.
Application Ideas: Sealing rough openings and joints, applying through-wall flashing around ducts, conduits, cables, and pipes, and detailing windows and penetrations in commercial construction
Temperature Resistance: Application 0 to 150 °F (-18 to 66 °C)
Adhesive Type: High-Performance Acrylic
Tesa® 4641 Tape
Tesa® 4641 is a permanent surface-repair tape with an aggressive butyl adhesive that creates an airtight, watertight seal on a wide range of roof substrates, including TPO, EPDM, and metal. Its high conformability makes it well suited for gutter repair, piping, and curved surfaces.
Application Ideas: Roof repair and reinforcement for buildings, RVs, trucks, and trailers, including seams, curbs, vents, chimneys, skylights, AC systems, and antennas
Temperature Resistance: Stable from -70°F to 200°F
Adhesive Type: Butyl Rubber
Sika® MultiSeal Plus
Sika® MultiSeal Plus is a high-tack, high-performance self-adhering tape and flashing sheet featuring a UV-resistant TPO top film membrane laminated to a non-drying, non-hardening reinforced rubber compound. Designed as a waterproof barrier and a thru-wall flashing membrane, it retains adhesion and elasticity over extended periods.
Application Ideas: Waterproof barrier over EPDM, TPO, metals, and Kynar steel; sealing for trucks, trailers, RVs, metal buildings, storage tanks, HVAC cabinets, and ductwork; and thru-wall flashing for cavity wall construction
Temperature Resistance: Application 25°F to 90°F (-4°C to 32°C) thru-wall, 40°F to 90°F (4°C to 32°C) standard; Service -22°F to 180°F (-30°C to 82°C) permanent
Adhesive Type: High Tack Ethylene Propylene Copolymer