Foil, Film & Foam Tapes

MB 100CT Metal Building Insulation Seaming Tape

Unique three-layer construction of polypropylene film, fiberglass reinforcing scrim and metalized polyester make MB 100 the ideal seaming and sealing tape for VR-R plus insulation backings. MB 100 is mold-resistant and is coated with our high performing cold temperature adhesive, which allows the tape to be applied in temperatures ranging from -20 F to 220 F.

Features & Applications

  • Metal building insulation tape
  • Seamless match
  • Non-permeable, permanent bond
  • Able to withstand extreme temperature fluctuations
  • Moisture- and mold-resistant
  • Unique three-layer construction: polyproylene film, fiberglass reinforcing scrim and metalized polyester
  • Not recommended to paint over this product with any type of paint
  • Specifications

    Learn more about MB 100 in depth by exploring all of its features and uses. You can also visit to learn more about choosing and using tapes.



    Backing: White metalized polypropylene (VR-R)

    Adhesive: Cold temperature acrylic

    Liner: NA

    Properties & Technical Data

    Product Nomenclature: MB 100
    Adhesion to Stainless Steel37 oz/in width4.05 N/10 mm
    Service Temperature Range-20 F to 220 F-29 C to 104 C
    Tensile26 lbs/in width45.5 N/10 mm
    Thickness - With Liner10.8 mils0.27 mm
    Thickness - Without Liner6.9 mils0.18 mm
    Physical and performance characteristics shown above are obtained from tests recommended by PSTC, ASTM, government agencies or Shurtape Technologies, LLC, Quality Assurance and Technical Service departments and do not represent a guarantee of product performance. Individual rolls may vary slightly from these averages. The user should determine whether the product is fit for a particular purpose and is suitable for the user’s method of application before use.


    Sizes & Colors

    Colors Available: White (WHI)

    Lengths Available: 50 yd

    Widths Available: 2.83 in

    Sizes and colors disclaimer: Lead times may apply. Please contact Shurtape customer service for information related to stock and non-stock sizes and colors.

    Storage & Usage Conditions

    Tape should be stored in its original packaging in a cool, dry area away from direct sunlight and should be used within 12 months of date of shipment. Surfaces to which tape is applied should be clean, dry and free of grease, oil or other contaminants.

    Applicable Standards

    Tested in accordance with UL 723

    Related Products

    Where to Buy

    Shurtape Foil, Film & Foam Tapes products are available both online and at retailers nationwide. Check our Where to Buy page for more information on purchasing Shurtape products both locally and online.