Loctite Gaps & Cracks Pro Foam
LOCTITE® Gaps & Cracks Pro Foam is a high-density, polyurethane-based expanding foam designed for professional sealing of small gaps and cracks, offering excellent durability, insulation, and water resistance.
Loctite Gaps & Cracks Pro Foam
Professional expanding foam for sealing gaps and cracks
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Expands to fill gaps up to 3 inches, preventing air and moisture infiltration
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Forms a durable, airtight, and water-resistant seal
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Bonds to wood, concrete, brick, metal, glass, and most common building materials
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Tack-free in approximately 8 minutes and cures in 50–60 minutes
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UV-resistant and paintable for seamless finishing
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Provides superior insulation and energy efficiency by reducing drafts
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VOC-compliant, low-expansion formula for controlled application
Application:
LOCTITE® Gaps & Cracks Pro Foam is a high-quality polyurethane foam sealant designed for professional sealing and insulating applications. It expands to fill cavities up to 3 inches wide, providing a permanent, weather-resistant barrier that improves energy efficiency.
Performance Features & Benefits:
- Expanding Seal: Fills, seals, and insulates gaps up to 3 inches.
- Airtight & Water-Resistant: Creates a durable barrier against air, moisture, and pests.
- Broad Material Compatibility: Bonds to wood, metal, masonry, glass, and more.
- Fast Curing: Tack-free in approximately 8 minutes and fully cured within an hour.
- UV-Resistant & Paintable: Can be painted or trimmed after curing for clean finishes.
- Energy Efficiency: Helps reduce drafts and heat loss in buildings.
Main Application Areas:
- Sealing gaps around windows and doors
- Filling voids in walls, floors, and ceilings
- General insulation improvements and draft reduction
Specifications & Approvals:
- Professional low-expansion polyurethane foam
- Complies with VOC regulations
Environmental & Safety Information:
- Wear gloves and eye protection; foam expands rapidly during use.
- Clean uncured foam with acetone or foam cleaner.
- Safety Data Sheet (SDS) available via inquiry
Technical Specifications:
| Property | Typical Value | Method |
|---|---|---|
| Base | Polyurethane foam | — |
| Color | Light yellow | — |
| Tack-Free Time | Approx. 8 minutes | TDS Spec |
| Full Cure Time | 50–60 minutes | TDS Spec |
| Application Temperature | 5°C to 35°C (41°F to 95°F) | TDS Spec |
| Service Temperature | -18°C to 77°C (0°F to 170°F) | TDS Spec |
| Expansion | Up to 3 inches gap fill | TDS Spec |
| VOC Content | Compliant with < 50 g/L | ASTM D3960 |
About Us
Providing industrial and metalworking solutions since 1991.