Soudal Gun Grade Exp Foam B3 750ml

Trusted by builders, tradespeople and DIY users, this expanding foam delivers strong adhesion, high yield and reliable insulation performance across a wide range of construction tasks.

The B3 rated PU foam formula expands to fill gaps, joints and cavities quickly and securely, helping improve thermal and acoustic insulation while providing an effective seal against moisture and draughts.

Key Features:

• 750 ml gun grade expanding foam for controlled application
• B3 fire classification for general construction use
• Expands to fill gaps, joints and cavities
• Excellent thermal and acoustic insulation properties
• Strong adhesion to most building materials
• No shrinkage or post-expansion once cured
• Can be cut, sanded, plastered or painted after curing
• Suitable for interior and exterior applications

Versatile Construction Applications

Soudal expanding foam is ideal for a wide range of sealing and insulation tasks on site. The foam expands to fill voids and hard to reach areas, creating a strong, airtight seal that improves building performance.

Common uses include:

• Installing and insulating door and window frames
• Filling gaps in roof structures
• Sealing around pipes, conduits and electrical cables
• Filling cracks, holes and cavities in walls and floors
• Insulating around service penetrations

Why Choose Soudal Expanding Foam?

Soudal is a globally recognised brand known for high-quality sealants, adhesives and expanding foams used across the construction industry. Their expanding foam products are designed to deliver consistent performance, strong adhesion and reliable insulation results.

Whether you are installing windows, sealing service penetrations or filling structural gaps, the Soudal Gun Grade Expanding Foam B3 750ml provides a dependable solution for professional construction and repair work.