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Bostik OB1 Sealant & Adhesive Brown 290ml
SKU:
BOS30617356
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Bostik OB1 Sealant & Adhesive Brown 290ml
Need a reliable, all-in-one sealant and adhesive that performs in any condition? The Bostik OB1 Sealant & Adhesive Brown 290ml is a premium hybrid polymer solution engineered for maximum bonding strength, flexibility, and long-term durability across construction, roofing, and general building applications.
Designed to replace multiple products in one, OB1 works as a sealant, adhesive, filler, and grab adhesive, eliminating the need for silicones, PU adhesives, mastics, and acrylics. This makes it a must-have for tradespeople and DIY users looking to save time while achieving professional results.
Its advanced hybrid formula delivers exceptional adhesion to almost any material, including wood, metal, concrete, glass, plastics, mirrors, stone and more—without the need for primers. Whether you’re sealing joints, fixing trims, or bonding structural components, OB1 provides a strong, permanent hold with flexible movement.
What truly sets OB1 apart is its ability to work in real-world site conditions. It can be applied on wet surfaces and even underwater, allowing jobs to continue regardless of weather or environment—ideal for roofing, external sealing, and emergency repairs.
The solvent-free formulation ensures no shrinkage, cracking, or brittleness over time, while offering excellent resistance to UV, weathering, chemicals, and temperature extremes (-40°C to +120°C).
Why Bostik OB1 Stands Out
- All-in-one adhesive & sealant – replaces multiple products
- Bonds virtually any material with no primer required
- Works on wet surfaces & underwater – perfect for UK conditions
- Will not shrink, crack or become brittle
- Flexible, high-strength bond for movement joints
- UV, weather & chemical resistant for long-term durability
- Mould & bacteria resistant – ideal for kitchens & bathrooms
- Paintable finish for a clean, professional look
Ideal Applications
- Roofing repairs, flashing, and gutter sealing
- Timber, trim, and panel bonding
- Bathrooms, kitchens & sanitary sealing
- Expansion joints & structural connections
- Automotive, marine & industrial use
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Specification
Brand
Bostik
Colour
Brown
Size
290ml
Tensile strength en12311 1
265n/cm2
Type
Adhesive/Sealant
Usage
Interior and exterior use
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