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Home Paint and Sundries Sundries Caulking Expanding Foam 341557 24 OZ FOAM GUN & CRACKS

341557 24 OZ FOAM GUN & CRACKS

PART 295094
SUPPLIER DUPONT
SUPPLIER PART # 341557
RANK C
SHELF PACK 12
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About this item

Great Stuff™ PRO Gaps & Cracks Fireblock Foam Sealant (Model 341557):

Product Description

The Great Stuff™ PRO Gaps & Cracks Fireblock Foam Sealant is a professional-grade, gun-applied polyurethane foam designed to fill, seal, and insulate gaps up to 3 inches. Formulated as a fireblock sealant, it helps prevent the spread of flames and smoke through concealed spaces, meeting residential building code requirements for fireblocking. This foam expands to create a long-lasting, airtight, and water-resistant seal, improving energy efficiency and reducing drafts, moisture, and pest intrusion.

Ideal for use around plumbing, electrical penetrations, attics, basements, and framing gaps, this product is compatible with most building materials including wood, metal, masonry, glass, and plastics. The bright orange color makes inspection easy, and the cured foam can be painted, sanded, or stained for a professional finish.

Key Features

  • Fireblock Formulation: Meets ASTM E-84 and ICC-ES standards for residential fireblocking.
  • Expands to Fill Gaps: Seals openings up to 3 inches.
  • Professional Application: Designed for use with Great Stuff™ PRO Dispensing Gun for precision and reduced waste.
  • Durable Seal: Creates an airtight, water-resistant barrier that resists moisture and air infiltration.
  • Quick Cure:
    • Tack-free in 3–10 minutes
    • Trimmable in 30–60 minutes
    • Full cure in 1 hour
  • Reusable for 30 Days: When left attached to the dispensing gun.
  • Versatile Adhesion: Bonds to wood, metal, masonry, glass, and most plastics.
  • Energy Efficient: Helps reduce heating and cooling costs.
  • Bright Orange Color: Easy to identify during inspection.
  • Paintable, Sandable, Stainable: For a clean finish.

Specifications

  • Model Number: 341557
  • Brand: Great Stuff™ PRO (DuPont)
  • Size: 24 oz (680 g)
  • Type: Polyurethane foam sealant
  • Yield: Approx. 970 linear feet at 3/8" bead
  • Insulation Value: R-3.7 per inch
  • Operating Temperature: 25°F to 120°F
  • Fire Rating: UL Classified; ASTM E-84 Flame Spread 15, Smoke 20
  • Color: Orange
  • Application: Gun-dispensed (foam gun sold separately)
  • Indoor/Outdoor: Yes
  • Shelf Life: 12 months unopened

Applications

  • Fireblocking in residential construction
  • Sealing gaps around:
    • Plumbing and electrical penetrations
    • Attics and basements
    • Wall cavities and framing joints
  • Preventing drafts, moisture, and pest intrusion
  • Improving energy efficiency in homes and buildings

 

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Color Orange
Brand Great Stuff
Applicable Materials Wood, Metal, Masonry, Glass and Most Plastics
ApplicableMaterials Vinyl, Wood And Metal
BaseType Polyurethane
Composition Isocyanic Acid, Polymethylenepolyphenylene Ester, Polymer With Alpha -1, 2, 3-PropanetriyltrisOmega Hydroxypoly, Polymethylenepolyphenyl Polyisocyanate Polypropyleneglycol Co-Polymer, Diphenylmethane Diisocyanate, Isomers, Homologues, Paraffin Waxes, Hydrocarbon Waxes, Chlorinated, Isobutane, Propane, Methyl Ether, 4, 4' -Methylenediphenyl Diisocyanate, N, N'-Dimorpholinodiethylether
Container Type Can
DryingTime 6 Min Tack Free
Flash Point -104 deg C
FlashPoint -104 Deg C
Form Foam
Media Water Fog, Dry Chemical, Carbon Dioxide, Foam And Alcohol Resistant Foam
PackingType Can
Resists Air And Water
Series Pro Gun
SpecialFeatures 30 Min Trims
Specific Gravity 1.06
SpecificGravity 1.06
TemperatureRange 25 - 120 Deg F
UPC 041343007912
Usage For General Purpose Building Envelope Air Sealing, First Foam Sealant To Be Recognized As A Fireblock, Designed To Fill Gaps Up To 3 In
Weight 1.92
UPC Code 041343007912
Shelf Pack 12
Minimum Order Qty 12
Supplier Name DUPONT
Supplier Short Name Dupont
Supplier Address 1 Dupont
Supplier City 974 Centre Rd Wilmington
Supplier State DE
Supplier Zip 19805
Country US
Supplier Email info@wallacehardware.com
Supplier Url www.dupont.com
Buyer Name Scott Snowden
Supplier Phone 888-439-2988
Rep Name Cory Ripmaster
Rep Address 1408 Linwood Dr Lebanon, TN 37087
Rep Phone 877-852-9156
Rep Cell 877-852-9159
Rep Fax 615-900-5852
Rep Email coryrip@hotmail.com