• Fire class DIN 4102 B1
• Fire resistance, B2 up to 2 hours & B1 up to 4 hours depending on joint configuration
• Acoustic rating - 58 dB
• Insulation factor - 36mW/mK
• Interior and exterior use



Rapid curing B2 Fire Class expanding foam with Genius Gun applicator for accurate trigger control and one-handed application. Excellent thermal and acoustic insulation properties. Ideal for filling around door and window frames, pipe penetrations when DIN 4102 B2 fire class is required. Excellent yield and adhesion on most substrates. Reusable for up to 6 weeks - Attach bung after use.

Delivery (UK mainland only)

 

Next Day: £5, or FREE over £40

- Order by 9pm Mon-Thu: next working day

- Order Fri to 5pm Sun: Monday

- Order after 5pm Sun: Tuesday

 

Pre-12pm: £10

- Same cut-offs as Next Day above

 

Saturday & Sunday: £10, or £5 over £40, or FREE over £75

- Saturday: order by 6pm Fri

- Sunday: order by 4pm Sat

 

Heavy items (over 30kg)

- Mon-Fri only. Order by 6pm and allow up to two working days

- Order after 6pm Thu: arrives after the weekend

 

Supplier items

- Sent directly by the supplier, so timings vary. Lead times appear on the product page in working days (Mon-Fri)

 

More about delivery 

Next Business Day Collection (eligible items)

- Order by 9pm Mon-Thu: collect next day

- Order after 9pm Thu to 5pm Sun: collect Monday

- Heavy items (over 30kg): allow up to two working days

 

Opening hours

- Weekdays vary by branch: open 6:30am-7am, close 6pm-8pm

- Saturday: 7am-6pm

- Sunday: 9am-4pm

 

Check your local store's hours and that it's open before visiting. Please wait for our text or email before collecting.

 

Holding your order
We'll hold it for 14 days, then automatically refund your original payment method.