Whether it's for a new build or an emergency repair, using Bostik Flashband makes the job quick and easy. This self-adhesive bitumen strip bonds instantly to a wide variety of building materials, providing a permanent watertight seal.
Flashband is a great choice for repairs to lead flashing, sealing valley gutters or repairing roofing felt joints on flat roofs. It features four layers of protection to make it tear and impact-resistant, and able to withstand high temperatures.
Remember to use Bostik Flashband Primer before application, particularly when you're working with dusty or porous surfaces.
• Bonds instantly to a wide range of building materials
• Provides a permanent and watertight seal
• Quick and easy application
• Perfect for new-build or emergency repairs
• Four layers of protection for tear and impact resistance
• Can withstand temperatures of up to 100°C
• Use Flashband primer before application - (code 52679)

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.