Features & Benefits
• 🧱 High Expansion Performance – Expands up to 30x its original volume, perfect for sealing, filling, and insulating gaps or cavities.
• ⚡ Fast Curing Formula – Quick-drying polyurethane foam that can be cut, sanded, plastered, or painted once fully cured.
• 🔇 Thermal & Acoustic Insulation – Reduces heat loss and noise transfer in both interior and exterior applications.
• 🧤 Includes Protective Gloves – Comes with a pair of gloves for safe and clean application straight from the can.
• 🌿 CFC-Free & Durable – Environmentally friendly formula suitable for builders, installers, and home repair projects.

Description
The TIMCO 750ml B3 General Purpose Fill & Fix Expanding PU Foam (Gun Grade) is a versatile polyurethane foam designed for professional and DIY use. It expands up to 30 times its original size, delivering excellent filling and insulation properties. Ideal for sealing around door and window frames, filling irregular cavities, and improving soundproofing. Once cured, it can be sawn, sanded, painted, or plastered for a smooth, professional finish. The formula is CFC-free, ensuring eco-friendly performance, and includes gloves for user safety. Perfect for use on both interior and exterior projects.

Our Delivery Options

Express 2/4 Day Delivery

• Delivery Fee:
• Order By: 
• Delivery Time: Before 6pm Monday-Friday

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Next Business Day Delivery

• Delivery Fee:
• Order By: 
• Delivery Time: Before 6pm Monday-Friday

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Pre-12 Next Business Day Delivery

• Delivery Fee: £12.99 delivery for all pre-12 orders
• Order By: 
• Delivery Time: Before 12pm Monday-Friday

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Remote Areas Delivery

• Delivery Fee:
• Order By: 
• Delivery Time: Standard delivery (2-4 days)

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Weekend Delivery

• Delivery Fee:
• Order By:
• Delivery Time: Before 6pm Saturday

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Good To Know

For orders to some addresses, especially in the Highlands of Scotland and Offshore, next day delivery options are not available and delivery can take several days. Saturday delivery is not available for remote areas.

Items over 30kg: Items over 30kg can only be delivered from Monday to Friday. If ordered before 3pm, please allow up to two business days for delivery. Orders placed after 6pm Thursday will be delivered after the weekend.