Dow 341557 Great Stuff Pro Gaps & Cracks Foam Sealant, Minimal Expanding, 24 Oz.

Great Stuff Pro Gaps & Cracks Foam Sealant is a minimal-expanding foam designed for precise filling and sealing of gaps and cracks in building envelopes. This 24 oz. professional-grade sealant creates an airtight and water-resistant bond that resists flame spread and reduces pathways where insects can enter through concealed spaces.

The minimal expansion formula delivers consistent, controlled fill for a professional appearance, making it ideal for homeowners and contractors who need accuracy without excess foam overflow. Engineered for cold and dry climates, this foam sealant bonds to wood, metal, masonry, glass, and most plastics, providing reliable performance across common building materials.

Features and Benefits

• Minimal Expanding Formula: Expands to fill gaps and cracks without excessive overflow, allowing for a neater finish and less trimming required.
• Airtight and Water-Resistant Seal: Forms a durable bond that resists flame spread and creates barriers that block air infiltration and water penetration.
• Fast Tack-Free Time: Becomes tack-free in approximately 30 minutes and trimmable within 30 minutes for quick project completion.
• Re-Startable Valve: Unique valve design prevents glue-shut, allowing the can to be restarted and used again up to 30 days later.
• Pro Gun Application: Designed for use with a Pro Gun applicator for controlled foam dispensing.
• Versatile Adhesion: Bonds reliably to wood, metal, masonry, glass, and most plastics.

Specifications

• Brand: Dow (Great Stuff Pro)
• Model: 341557
• Size: 24 oz.
• Color: Orange
• Expansion Type: Minimal expanding
• Tack-Free Time: Approximately 30 minutes
• Trim Time: 30 minutes
• Re-startable: Up to 30 days
• Adhesion: Bonds to wood, metal, masonry, glass, and most plastics
• Maximum Gap Width: Up to 3 inches