Slip Stream 24/7 – Global Supply and Distribution Company providing 3M Industrial, Commercial & Safety Solutions
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SKU 7100025184
Legacy SKU 70006749009
UPC 00051115690174
Product Number 8777

3M™ Sealing Tape 8777 is a translucent tape with a proprietary film backing and high-tack acrylic adhesive available on a split liner. This self-adhered tape is designed for difficult-to-stick surfaces, including damp surfaces. This sealing tape has an adhesive that withstands heat and will not melt or stain in high temperatures.

  • Self-adhered tape design for sealing difficult-to-stick surfaces, including damp surfaces
  • UV-resistant for up to 12 months and the adhesive does not melt or stain when exposed to heat
  • Features a waterproof membrane that produces a moisture barrier
  • Sealing tape provides an air barrier
  • Tough backing resists punctures and tears during application
  • Aggressive acrylic adhesive stays stuck at both low and high application temperatures
  • Unique backing is thin and conformable to conveniently fit into corners
  • Split release liner offers fast application with easy and accurate positioning of the tape
Estimated date of shipment June 20   


Minimum Order 12 Rolls
Order Increment 12 Rolls
  Multiple Application Use
  Excellent Sealing Qualities
  Global Shipping
Product Dimensions
Imperial Metric
Width 3 in 76.2 mm
Length 75 ft 22.86 m
Thickness 9.9 mil
Shipping Dimensions
Weight 22.203 lb
Length 13.9 in
Width 13.9 in
Height 10 in
Color Beige


  1. What type of surfaces is the 3M™ Sealing Tape 8777 suitable for?

    The 3M™ Sealing Tape 8777 is suitable for use on both rough and smooth surfaces like metal, plastic, glass, sealed wood, painted concrete and more.

  2. How strong is this tape?

    3M™ Sealing Tape 8777 features a high tensile strength that resists tearing to provide good holding power.

  3. Can I use this tape outdoors?

    Yes! The special adhesive backing used in the making of the sealing tape provides long-term resistance against moisture damage which means it works very well even when exposed to outdoor humidity or weather conditions.

  4. Is there an option to purchase just one roll of the sealing tape instead of having to buy a whole case?

    Certainly! We have available packaging options depending on your business needs and we can sometimes cater customers who want to try our products with smaller packages but if you're already confident using our product and you would like bulk orders please contact us about further details on pricing arrangements.

For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
Reliable Seal on Hard-to-Stick-to Surfaces
3M™ Sealing Tape 8777 is engineered as a high-tack, translucent tape with a thin, proprietary film backing and high-tack acrylic adhesive available on a split liner. This is a self-adhered tape designed for sealing difficult-to-stick surfaces, even damp surfaces. Built with a waterproof membrane and proprietary backing, this tape seals around nails and staples to prevent moisture intrusion and establishes an air barrier. This sealing tape is UV-resistant (up to 12 months) and the adhesive will not melt or stain when exposed to heat. The tough, unique backing of this tape resists punctures and tears during application, but is also thin and conformable, conveniently fitting into corners. This high tack tape has a split release liner to allow for simple and fast application and accurate positioning of the tape. This product is compatible with many building sealants and has a unique acrylic pressure sensitive adhesive that aggressively adheres at low and high application temperature (0°F/-18°C to 150°F/66°C).

Recommended Applications
3M™ Sealing Tape 8777 can be used for a variety of applications, including:

Deck joist and header board sealing
Seal window and door openings against moisture intrusion

Resilient Waterproof Tape Solution
Designed for those hard-to-stick-to surfaces, 3M™ Sealing Tape 8777 offers a resilient and waterproof solution for tough applications. This tape is built to be durable in extreme temps and resistant to the wear and tear of harsh environments. For a strong sealing tape that is also thin and conformable, look no further than 3M™ Sealing Tape 8777 and enjoy the advantages of one of the many innovative 3M tape designs prepared to meet everyday challenges.
Brochures, Catalogs & Data Sheets
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