








🔧 Seal the deal with OB1 – where durability meets versatility!
OB1 Terracotta Multi-Surface Construction Sealant & Adhesive is a hybrid polymer formula trusted for over 20 years. It offers exceptional chemical, water, and weather resistance, bonds a wide range of materials, and works in extreme temperatures from -40°C to +120°C. Food safe, odourless, and approved for underwater use, this 290ml cartridge is the professional’s go-to for durable, versatile sealing and bonding.




| Manufacturer | Siroflex Lte |
| Part Number | OB1SCS290T |
| Product Dimensions | 22.8 x 6.8 x 4.8 cm; 510 g |
| Item model number | OB1SCS290T |
| Size | Cartridge |
| Colour | Terracotta |
| Style | Industrial |
| Material | Hybrid Polymer |
| Item Package Quantity | 1 |
| Included Components | 290ml Cartridge with Nozzle |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 510 g |
R**X
Very strong and weather resistant
Excellent stuff. Used for waterproofing. Easy to use. Can paint over it when cured. Best to wear gloves when using it.
J**O
Good all-rounder!
We use this for just about everything! Sticks like all hell when it's dry, and great for sealing small leaks. Great for indoor and outdoor use!
J**E
Really good but there is another option
This product is pretty good, I really liek that it is not solvent based. I do find it hard to work with because it is acrylic it sticks to absolutely everything in sight you need to be careful.there is a product on the market almost the same as this for £4 a tube.
J**R
Great Sealant
Great quality product! Great value from amazon. Really effective and seals like a glove.
T**Y
Diy
Good performance
A**R
Fantastic sealant adhesive
Bought to deal some external oak against a brick wall, superb easy to use, good colour match and dries really quickly
E**L
One of the best
Have just finished using this for fixing porcelain tiles to external garden wall and found it to be really easy to use and bond quality is one of the best I have found in this type of product. Bought in bulk which also almost halved the cost compared to buying individual tubes.
K**X
Sticky and took dark for oak
As an adhesive this is great and sticks amazingly well, as a sealant it's very hard to work with as very sticky. FYI colour doesn't go well with a IKEA oak coloured worktop. Value for money I would say good
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