















🔧 Seal the deal with OB1 – where durability meets versatility!
OB1 Beige Multi-Surface Construction Sealant & Adhesive is a 290ml hybrid polymer formula designed for professional-grade bonding and sealing across diverse materials. It excels in extreme temperatures (-40°C to +120°C), offers excellent chemical and weather resistance, and is safe for food-contact and underwater applications. Odourless and eco-friendly, OB1 is the trusted choice for durable, versatile construction and repair projects.














| ASIN | B08K14NS1F |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 230 in DIY & Tools ( See Top 100 in DIY & Tools ) 10 in Sealers |
| Colour | Beige |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,073) |
| Date First Available | 21 July 2020 |
| Included Components | 290ml Cartridge with Nozzle |
| Item Package Quantity | 1 |
| Item Weight | 249 g |
| Item model number | OB1SCS290BE |
| Manufacturer | Siroflex Lte |
| Material | Hybrid Polymer |
| Part Number | OB1SCS290BE |
| Product Dimensions | 22.8 x 6.8 x 4.8 cm; 249.48 g |
| Size | Cartridge |
| Special Features | Water Resistant |
| Style | Industrial |
| Usage | Construction, Swimming Pool, Exterior, Underwater, Harsh Weather |
M**D
OB1 Black Multi-Surface Construction Sealant & Adhesive
I used the "OB1 Black Multi-Surface Construction Sealant & Adhesive" to stick down corner trims and seal the edges of my van lining that I did. The silicon had good adhesion for the trims I was sticking down and it was very workable. It does not set too quick and did not skin over at all so I was able to get a nice finish to it without ridges or the "dragging effect" you sometimes get when silicons start to skin over. This silicon was also pretty odourless. My tube came with a nozzle also.
H**!
Brilliant
Brilliant sealant. Easy to apply. Colour is excellent. Great value for money
A**J
Seems good quality
Good product but very thick to gun.
B**N
One tube manybuses
All in one sealant, filler, mastic. Flows smoothly as a filler, mastic. Acts as a glue as well. Sandstone colour is a light cream beige so blends well
S**Y
Used to fill in gap between laminate flooring and skirting.
This sealant is a quality product. The colour matches the chart and was perfect for gap that needed filling. Shame they don't do it in a smaller tube as only used a very small amount and will probably be hard next time I go to use it.
A**E
Excellent stuff
Excellent product and great value for money easy to Use and dries quickly will definitely buy more
D**D
It works
Very good stuff seals and bonds so exactly what it says on the tube but takes a while to go off if laid thick to bond, mine took 2 days to fully cure
J**L
Product was highly recommended.
At the moment I have not used the product, however my neighbour used the same product and it was very good, I therefore bought it on a recommendation.
C**N
ES UNA VERGÜENZA EL VENDEDOR, NO ME FUNCIONO BIEN EL PRODUCTO Y NO QUISO HABERSE CARGO DE LA DEVOLUCIÓN NADA RECOMENDABLE Y LE TENÍAN QUE ECHAR DE AMAZON
Y**Z
Excelente producto, totalmente recomendado. Cumple perfectamente con lo que promete. La calidad es muy buena, llegó rápido y en excelente estado. Estoy muy satisfecho(a) con la compra y sin duda lo volvería a comprar. ¡Vale la pena!
S**N
The best sealant / adhesive on the market, love it. It will seal of fix most things
P**.
High quality product. Professional grade. Strong adhesion properties but can be removed if needed. I used it in the automotive area to bond a metal bracket to glass.