MT-A7729

All Weather White Aluminum Foil Tape

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    MT-A7729 is a high-strength, aluminum foil tape that’s primarily used to seal joints for foam core insulation boards and to join and seam flexible air duct seams and connections. The aluminum foil tape provides good reliability across high and low temperatures, conforms well to a variety of surfaces, and provides a strong bond. The aluminum foil tape has a flame-retardant and cold-weather, acrylic adhesive that provides an initial quick stick. Available in off white, this heavy-duty aluminum foil tape is mold resistant and has a low MVTR (Moisture Vapor Transmission Rate), which makes it ideal for providing a vapor seal on foil faced board.

    Features & Applications

    Applications for the Tape

    The most common applications for the aluminum foil tape include:

    • sealing lap joints
    • providing a vapor seal on foil faced board
    • joining and sealing flexible air duct seams and connections
    Features of the Tape

    Features of the aluminum foil tape include:

    • initial quick stick
    • conforms well to a variety of surfaces
    • low MVTR (Moisture Vapor Transmission Rate)
    • mold resistant
    • paper liner is easy to remove and protects the adhesive from contaminants
    • coated with a flame retardant, cold weather acrylic adhesive
    Tape Adhesive

    The tape has an acrylic adhesive.

    Weather Resistance

    The aluminum foil tape is weather resistant:

    • cold weather acrylic adhesive
    • good reliability across low and high temperatures
    Tape Sizes

    The aluminum foil tape is available in the following size:

    • 3 inches by 50 yards / 72 mm x 46 m
    Tape Colors

    The aluminum foil tape is available in off white.

    Who Uses the Tape

    The tape is most commonly used by:

    • insulation contractors
    • HVAC contractors
    • general contractors
    • appliance contractors
    • automotive shops
    ECHOtape Part Number

    The part number for this tape is MT-A7729.

    Click here for other types of insulation tapes.

    Technical Data

    SIZES 2.83 in x 50 yd | 72mm x 45,72m
    CARRIER 2 mil Off White Aluminum Foil
    ADHESIVE Acrylic
    RELEASE LINER Siliconized Paper
    TOTAL THICKNESS 3.6 mils
    TENSILE 17 lbs/in
    ADHESION 72 oz/in
    APPLICATION TEMPERATURE -4°F to 104°F ~ (0°C to 40°C)
    SERVICE TEMPERATURE -31°F to 248°F ~ (-35°C to 120°C)
    COLOR Off White
    CLASSIFIED UL General Use Tape Surface Burning Characteristics 38MP – Applied to Inorganic Reinforced Cement Board
    FLAME SPREAD 0
    SMOKE DEVELOPED 0
    TESTED IN BOTH TWO 48 MM AND TWO 72 MM WIDE LONGITUDINAL STRIPS SPACED 8 IN (203 MM) ON CENTER. Tape coverage: 21 percent (48 mm) and 32 percent (72 mm) of the exposed test sample area.

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