Dow Great Stuff Pro Gaps & Cracks 24 oz Gun Foam (3 Cans) - 341557

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Special Price $33.66


Regular Price: $43.15

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Special Price $33.66


Regular Price: $43.15

Availability: Same day shipping if ordered by 1pm EST
This Product is Hazmat. Expedited is not available.

    Product Description

    This product is for 3 cans of 341557.

    Note: This product contains hazardous material, please read safety instructions before dealing with this item.


    All of those gaps and cracks in the average home are letting heat and conditioned air leak out and unwanted air sneak in. Create greater comfort by sealing those openings with a heavy-duty, fire-blocking version of GREAT STUFF PRO™ Gaps & Cracks.

    This insulating spray foam sealant:

    • Is applied with a foam-dispensing gun for greater precision and access to hard-to-reach places.
    • Comes in a can that’s reusable for up to 30 days, minimizing waste (cans of straw-applied Gaps & Cracks can be used one time only).
    • Sprays right into gaps and cracks up to 3" (25 mm) in diameter.
    • Is a Fireblock sealant.
    • Expands to fill the shape of the gap and crack and adheres to wood, vinyl, metal surfaces and other building materials.
    • Forms a long lasting, airtight, water-resistant seal.
    • Helps keep out moisture/condensation and allergens.
    • Allows movement and shifting within a structure.
    • Can be used indoors or outdoors.

    It's easy to use because:

    • It dries rigid and is tack-free within 3-10 minutes. 1
    • You can scrape away any excess after 8 hours.
    • It's orange colored for easy recognition.
    • You can paint, stain or sand it.
    • It's UL Classified.

    70 ± 5 °F and 50 ± 5 %RH, 1 inch bead diameter, 6 inch length. Cure rate is dependent on temperature, humidity, and size of foam bead GREAT STUFF PRO™ Gaps & Cracks.


    General Characteristics

    Typical Physical Properties1 Of Great Stuff Pro™ Gap & Cracks Insulating Foam Sealant

    Property and Test MethodValue
    Flexural Strength, ASTM C203, parallel to rise, psi (kPa), min.8.8 (60.7)
    K-factor (Thermal Conductivity) per inch (25mm), ASTM C518 @75°F (24°C) mean temp., Btu•in/ft2•hr•°F (W/m•°C), min.0.26 (0.037)
    Compressive Strength, ASTM D1621, parallel to rise, psi (kPa)9.3 (64.1)
    Apparent Core Density, ASTM D1622, pcf (kg/m3)1.01 (16)
    Dimensional Stability, ASTM D2126, % volume change
    100°F/100%[email protected]
    -40°F/[email protected]

    Closed Cell Content, ASTM D2856, %80
    Tensile Strength, ASTM D1623, parallel to rise, psi (kPa)14.4 (99.3)

    Not to be considered sales specifications


    Estimated Yields for GREAT STUFF PRO™ Gaps & Cracks Insulating Foam Sealant

    Can Size, oz (g)DeliveryYield(2), linear feet (m) Estimated Caulk Equivalency,
    quart tubes
    24 (680)Gun970 (296)22

    Estimated yield under ideal conditions, 3/8" (1 cm) diameter bead.


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