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Dow Great Stuff Pro Bundle Gasket 18 oz Foam (6 Cans) & Dispensing Gun - 99085584_99085895

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Regular Price: $296.22

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Special Price $189.95

Regular Price: $296.22

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    Product Description

    Great Stuff PRO Bundle - 6 Flexible Drywall Gasket 18 oz Foam Cans - 99085584 and Gasket Dispensing Gun - 99085895

    GREAT STUFF PRO™ Gasket Dispensing Gun

    Exclusively for the GREAT STUFF PRO™ Gasket Product

    The GREAT STUFF PRO™ gun is specially designed for compatibility with water and is not interchangeable with the black-handled guns. If used with polyurethane GREAT STUFF PRO™ series of products, the product will cure causing the gun to plug.

    • Has flow-control mechanism for variable bead size
    • Allows for precise application of the foam
    • Re-startable and re-useable
    • Blue-handled to match the blue collared can and hose adaptor
    • Internal components tolerate water-based technology, unlike the black-handled gun
    • Easy clean up with water and garden hose. Clean out hose adaptor included in packaging. (Do not use GREAT STUFF PRO™ Gun Cleaner)

    GREAT STUFF PRO™ Gasket gives contractors a better way to improve air-sealing performance between a home’s framing lumber and drywall – a common area for air leaks, accounting for up to 40% of energy loss1 . It is the first water-based foam in the GREAT STUFF PRO™ Insulating Foam Sealant family.

    How it works

    GREAT STUFF PRO™ Gasket is a one-component foam applied to the face of the top plate, bottom plate and around the perimeter of all rough openings. Drywall is then installed following the standard application process, creating a gasket that seals the building airtight.

    Unlike polyurethane-based GREAT STUFF PRO™ Insulating Foam Sealants, this gasket solution cures to a flexible, compressible foam that fits snugly to create a tightly sealed home and allows for a smooth, even drywall installation. It does not expand, which helps prevent drywall bowing.

    The flexibility of the cured gasket bead allows for heavy drywall to slide up the wall frame without the gasket tearing or releasing. Under normal conditions of 70°F/50% relative humidity, drywall may be installed after 6 hours of drying time. In high humidity, 24 hours of drying time is recommended.

    This water-based, one-component sealant foam:

    • Improves air sealing by creating a gasket between drywall and frame.
    • Is applied to face of top plate, bottom plate and around all rough openings.
    • Compresses when cured preventing bowing issues with drywall board. A 1/2" bead can easily be compressed to < 1/16" by the force of screwing on drywall.
    • Withstands scrapping and rubbing when drywall is slid up the wall and put in place. Is tolerant of abrasive contact and maintains its seal.
    • Helps meet stricter energy codes.
    • Does not expand like traditional, one-component, polyurethane foam sealants.
    • Air cures in 2 to 24 hours, depending on humidity. Dries fastest at low humidity.
    • Creates a more stable indoor temperature, lowering energy bills.
    • Reduces moisture, mold, pollutants and allergens that creep through small openings.
    • Minimizes waste. Reusable for up to 90 days when left attached to GREAT STUFF PRO™ Dispensing Gun with the blue handle. Shake vigorously for 60 seconds before use.

    It’s the first water-based, polyurethane foam sealant:

    • Non-cured spills and drips means easy water clean-up
    • Low VOC
    • Easy gun clean-out with standard garden hose

    DuPont Performance Building Solutions brings together the power of two construction leaders: DuPont™ Building Envelope Solutions and Dow Building Solutions.


    General Characteristics

    GREAT STUFF PRO Gasket Dispensing Gun:
    Cure method Cures by drying; faster at low humidities
    Dispensing One-component; special GREAT STUFF PRO™
    Dispensing Gun with blue handle
    for water-based foam
    Foam cleanup With water or wet cloth before cure
    Gun cleanout Water cleanout; hose attachment included with gun
    Cure speed 2-24 hours, depending on humidity
    Effect of humidity At high humidity (>70%), bead will cure flatter
    Flexibility/compressibility A 1/2" bead can easily be compressed to <1/16" by the force of screwing on drywall


    Physical Properties of GREAT STUFF PRO™ Gasket:
    Typical Properties Results
    Foam wet density 0.05-0.10 g/cc.
    Air Seal Effectiveness, ASTM E283 at 50Pa Blocked 98% of air leakage (vs no gasket) when gasket is applied at upper top plate, bottom plate, and vertical studs on end of an 8x8ft wall(1).
    Flame Spread/ Smoke Developed 0 / 0 Flame Spread/Smoke Developed, ASTM E84(2)(3)
    (1) Contact your Dow representative for details of this test modification.
    (2) This numerical flame spread rating is not intended to reflect hazards presented by this or any other material under actual fire conditions.
    (3) Tested as applied in three – 3/4 inch (19 mm) diameter beads 5 inches (127 mm) on center covering 12.5% of the exposed test sample area.

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