---
product_id: 224164279
title: "OB1 SEAL & ADH WHITE 290ML | Hybrid Technology, Excellent Chemical Resistance, Water Resistant, Weather Resistant"
brand: "ob1"
price: "€ 29.56"
currency: EUR
in_stock: true
reviews_count: 12
category: "Ob1"
url: https://www.desertcart.hr/products/224164279-ob1-seal-and-adh-white-290ml-hybrid-technology-excellent-chemical
store_origin: HR
region: Croatia
---

# Waterproof & underwater bonding Withstands -40°C to +120°C Multi-surface adhesion power OB1 SEAL & ADH WHITE 290ML | Hybrid Technology, Excellent Chemical Resistance, Water Resistant, Weather Resistant

**Brand:** ob1
**Price:** € 29.56
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it once, seal it right — the pro’s secret weapon!

## Quick Answers

- **What is this?** OB1 SEAL & ADH WHITE 290ML | Hybrid Technology, Excellent Chemical Resistance, Water Resistant, Weather Resistant by ob1
- **How much does it cost?** € 29.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/224164279-ob1-seal-and-adh-white-290ml-hybrid-technology-excellent-chemical)

## Best For

- ob1 enthusiasts

## Why This Product

- Trusted ob1 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Extreme Temperature Resilience:** Keeps a rock-solid bond from freezing cold to scorching heat, perfect for any climate challenge.
- • **Odourless & Eco-Friendly Formula:** No solvents or isocyanates, boasting an A+ air quality rating for safe indoor and outdoor use.
- • **Underwater & Food-Safe Certified:** Seals and bonds underwater without draining pools, plus ISEGA approved for food prep zones—safety meets versatility.
- • **Universal Multi-Surface Compatibility:** Effortlessly bonds to metal, glass, wood, plastic, tile, and more—your all-in-one construction essential.
- • **Professional-Grade Durability & Flexibility:** Flexible yet tough seal that resists weather, moisture, and movement—trusted by pros for over 20 years.

## Overview

OB1 SEAL & ADH WHITE 290ML is a hybrid polymer sealant and adhesive engineered for professional and DIY use. It offers exceptional chemical and weather resistance, bonds a wide range of materials including metals, glass, and plastics, and performs underwater without draining. With a temperature tolerance from -40°C to +120°C and an eco-friendly, odourless formula, it’s ideal for durable, flexible sealing in construction, food-safe, and aquatic environments.

## Description

From the manufacturer

Review: ⭐⭐⭐⭐⭐ Professional-Grade Sealant and Adhesive That Never Lets Me Down - ⭐⭐⭐⭐⭐ Outstanding Sealant and Adhesive – My Go-To for Professional Use The OB1 Seal & Adhesive Black 290ml is one of the best all-round sealants and adhesives I’ve used. As a professional tradesperson, I need products that are reliable, easy to apply and built to last, and OB1 consistently delivers. It has excellent initial grab and bonds extremely well to a wide range of materials, even in situations where other products can struggle. The finish is neat, it tools nicely, and it cures to a strong yet flexible seal that stands up well to movement, moisture and changing weather conditions. One of the biggest advantages is its versatility. Whether I’m sealing, bonding or carrying out repairs, it’s often the first product I reach for. It also adheres well to slightly damp surfaces, making it particularly useful for emergency repairs. Pros: * Excellent bonding strength * Strong initial grab * Flexible, durable finish * Suitable for a wide range of materials * Performs well indoors and outdoors * Easy to apply and tool * Trusted for professional use The only minor downside is that, like most high-performance adhesives, it can be a little messy if you don’t apply it carefully. Taking your time gives a very clean, professional finish. Overall, this is an exceptional sealant and adhesive that has earned a permanent place in my van. Reliable, versatile and built to last—I’d highly recommend it to both professionals and DIY users.
Review: My go to sealant 100% - Absolutely 100% amazing stuff. Did not let me down and know a shed staple, I always have some in stock. So versatile and in different colours.

## Features

- Contains sensitizing substances. May produce an allergic reaction.
- ORIGINAL FORMULA - The Original formulation which has been on the market for 20+ years, A versatile Multi-Surface Construction Sealant & Adhesive: Perfect for bonding and sealing felt, copper, aluminium, mirrors, wood, plastic, steel, glass, tile, and more.
- DURABILITY - Durable in Extreme Conditions: Maintains a strong bond from -40°C to +120°C, ideal for harsh weather and refrigerated environments. Compatible with most paints; test area when using synthetic or oil-based paints.
- FOOD SAFE & UNDERWATER - Can be applied underwater thanks to its hybrid polymer formulation - acts as a structural underwater bond in closed-face applications in swimming pools such as floor and wall tiles without the need to drain the pool, ISEGA approved, therefore suitable for use in food preparation areas (once fully cured)
- ODOURLESS - Eco-Friendly & Odourless: Safe for residential, domestic, and industrial use. Contains no solvents or isocyanates, earning an A+ air quality rating.
- CONTENTS - 1 x OB1 Multi-Surface Construction Sealant & Adhesive, Colour: Anthracite

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08DD2XCSG |
| Best Sellers Rank | 439 in DIY & Tools ( See Top 100 in DIY & Tools ) 15 in Sealers |
| Brand | OB1 |
| Colour | White |
| Compatible Material | Aluminium, Fibreglass, Glass, Plastic |
| Container Type | Tube |
| Customer Reviews | 4.6 out of 5 stars 1,222 Reviews |
| EU Spare Part Availability Duration | 1 Years |
| Global Trade Identification Number | 05032822004350 |
| Included Components | OB1 SEAL & ADH WHITE 290ML |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Type Name | OB1 SEAL & ADH WHITE 290ML |
| Item Volume | 290 Millilitres |
| Item Weight | 0.51 Kilograms |
| Item form | Paste |
| Manufacturer | Siroflex Lte |
| Manufacturer Part Number | 044933 |
| Material | Hybrid Polymer |
| Model Number | OB1SCS290W |
| Number of Pieces | 1 |
| Other Special Features of the Product | Water Resistant |
| Special feature | Water Resistant |
| Specific Uses For Product | General Construction, Underwater Bonding, Food-Safe Applications |
| Specific uses for product | General Construction, Underwater Bonding, Food-Safe Applications |
| Unit Count | 512.0 gram |
| Viscosity Level | Low |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** OB1
- **Item form:** Paste
- **Material:** Hybrid Polymer
- **Special feature:** Water Resistant
- **Specific uses for product:** General Construction, Underwater Bonding, Food-Safe Applications

## Images

![OB1 SEAL & ADH WHITE 290ML | Hybrid Technology, Excellent Chemical Resistance, Water Resistant, Weather Resistant - Image 1](https://m.media-amazon.com/images/I/61C5+HqRbLL.jpg)
![OB1 SEAL & ADH WHITE 290ML | Hybrid Technology, Excellent Chemical Resistance, Water Resistant, Weather Resistant - Image 2](https://m.media-amazon.com/images/I/81T7mm-WqrL.jpg)
![OB1 SEAL & ADH WHITE 290ML | Hybrid Technology, Excellent Chemical Resistance, Water Resistant, Weather Resistant - Image 3](https://m.media-amazon.com/images/I/71+-GmNwWQL.jpg)
![OB1 SEAL & ADH WHITE 290ML | Hybrid Technology, Excellent Chemical Resistance, Water Resistant, Weather Resistant - Image 4](https://m.media-amazon.com/images/I/71o7IYWD5GL.jpg)
![OB1 SEAL & ADH WHITE 290ML | Hybrid Technology, Excellent Chemical Resistance, Water Resistant, Weather Resistant - Image 5](https://m.media-amazon.com/images/I/81ZBpMUtjiL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: I want to clad my Mahogany stair treads with engineered oak boards . Is this suitable for the job**
A: This is good stuff, it has never let me down.

**Q: Any good for repairing cracks in exterior stucco cracks?**
A: It is a fantastic exterior filler for big cracks.

**Q: Can this be used to seal electrical cables going into a back box?**
A: I've used this as a seal on marine applications so probably but don't know for sure.

**Q: Can you use this to seal fuel tanks ( kerosene)**
A: Yes it will see liquids and do not think kerosene would be acidic enough to eat through it so yes

## Customer Reviews

### ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐ Professional-Grade Sealant and Adhesive That Never Lets Me Down
*by K***S on 5 July 2026*

⭐⭐⭐⭐⭐ Outstanding Sealant and Adhesive – My Go-To for Professional Use The OB1 Seal & Adhesive Black 290ml is one of the best all-round sealants and adhesives I’ve used. As a professional tradesperson, I need products that are reliable, easy to apply and built to last, and OB1 consistently delivers. It has excellent initial grab and bonds extremely well to a wide range of materials, even in situations where other products can struggle. The finish is neat, it tools nicely, and it cures to a strong yet flexible seal that stands up well to movement, moisture and changing weather conditions. One of the biggest advantages is its versatility. Whether I’m sealing, bonding or carrying out repairs, it’s often the first product I reach for. It also adheres well to slightly damp surfaces, making it particularly useful for emergency repairs. Pros: * Excellent bonding strength * Strong initial grab * Flexible, durable finish * Suitable for a wide range of materials * Performs well indoors and outdoors * Easy to apply and tool * Trusted for professional use The only minor downside is that, like most high-performance adhesives, it can be a little messy if you don’t apply it carefully. Taking your time gives a very clean, professional finish. Overall, this is an exceptional sealant and adhesive that has earned a permanent place in my van. Reliable, versatile and built to last—I’d highly recommend it to both professionals and DIY users.

### ⭐⭐⭐⭐⭐ My go to sealant 100%
*by C***K on 9 July 2026*

Absolutely 100% amazing stuff. Did not let me down and know a shed staple, I always have some in stock. So versatile and in different colours.

### ⭐⭐⭐⭐ Easy to use
*by J***D on 5 April 2026*

Easy to use and did the job, time will tell if it lasts ten years

## Frequently Bought Together

- OB1 White Multi-Surface Construction Sealant & Adhesive - Hybrid Technology - Excellent Chemical Resistance - Water Resistant - Weather Resistant - Food Safe - 290ml
- OB1 Multi-Surface Construction Sealant & Adhesive, Clear, Gel, Weather Resistant, Waterproof, Twin Pack
- OB1 PlumbersPal White - Sanitary Sealant & Adhesive - Ideal for Kitchens & Bathrooms - Mould Resistant - Works in Water - Paintable - Permanently Elastic - 290ml

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**Shop now:** [https://www.desertcart.hr/products/224164279-ob1-seal-and-adh-white-290ml-hybrid-technology-excellent-chemical](https://www.desertcart.hr/products/224164279-ob1-seal-and-adh-white-290ml-hybrid-technology-excellent-chemical)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-21*