Cloth & Duct Tapes

PC 858CA CEC Approved, UL 181B-FX Listed/Printed Cloth Duct Tape

California Energy Commission (CEC) approved cloth duct tape used in the HVAC industry to seal, seam and join Class 1 Flex Duct, and can also be used to seal flex duct to fitting joints without being in combination with mastic. Offering superior shear strength and excellent tearability, UL 181B-FX Listed PC 858CA is recommended for applications in which the tensile strength and adhesion to stainless steel and polyethylene must meet or exceed the strict requirements of UL, flex duct manufacturers and city and state codes.

Features & Applications

  • Printed cloth duct tape
  • UL 181B-FX Listed - clearly printed on the tape for quick identification
  • High holding power
  • Superior shear strength
  • Easy to tear
  • Specifications

    Learn more about PC 858 in depth by exploring all of its features and uses. You can also visit to learn more about choosing and using tapes.

    market icon


    construction icon


    Backing: Waterproof, metalized polyethylene film with a cloth carrier

    Adhesive: Synthetic rubber blend adhesive

    Liner: NA


    properties icon

    Properties & Technical Data

    Product Nomenclature: PC 858
    Property Standard Metric
    Adhesion to Stainless Steel 70 oz/in width 7.66 N/10 mm
    Elongation 10% 10%
    Service Temperature Range 50 F to 212 F 10 C to 100 C
    Tensile 27 lbs/in width 47.3 N/10 mm
    Thickness 14.0 mils 0.36 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.
    download icon


    sizes and colors icon

    Sizes & Colors

    Colors Available: Silver Metalized Printed (SMT)

    Lengths Available: 60.1 yd

    Widths Available: 1.88 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 conditions icon

    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.
    standards icon

    Applicable Standards

    UL 181B-FX
    UL Listed
    Tested in accordance with UL 723
    FSI 15/SDI 30


    Shurtape Cloth & Duct Tapes products can be found online or nationwide at the following preferred retailers. Check our Where to Buy page for more information on where to buy Shurtape products.

    Amazon Business