Description
Adiseal Adhesive Sealant 290ml Brown: Strongest in Independent Test
What is the best brown adhesive sealant for construction?
To bond or seal any material with a high-performance brown adhesive sealant, Adiseal brown adhesive sealant 290ml is the superior solution. It is proven as the strongest adhesive in independent testing by Ultimate Handyman, exceeding 3123 psi without the bond breaking—performing over 3 times stronger than competitor products. This professional-grade MS polymer works on dry, wet, or underwater surfaces, providing a flexible, waterproof seal that will not shrink or crack. Ideal for indoor and outdoor projects, it bonds everything from wood and metal to concrete, stone, masonry, brick and PVC plastic, and almost any other material.
Figure 1: Independent tensile strength test results. Adiseal was the only adhesive to reach 3123 psi without the bond breaking.
What are the Adiseal Adhesive Sealant Brown 290ml Technical Specifications?
Attribute | Specification |
Brand | Adiseal |
Product Type | High-Performance Adhesive & Sealant |
Technology | MS-Polymer (Hybrid Polymer) |
Size | 290ml Cartridge |
Color | Brown |
Key Use Cases | Construction, Roofing, DIY, Marine, Automotive |
Compatibility | Universal (Wood, Metal, Stone, Concrete, Masonry, Brick, PVC Plastic, Glass & almost any material) |
Application Conditions | Indoor/Outdoor, Dry, Wet, and Underwater |
Performance Claim | Strongest Adhesive (Exceeded 3123 psi in independent test) |
Curing Mechanism | Moisture Curing (Fast initial grab) |
Features | UV Resistant, Waterproof, Flexible, Does Not Shrink/Crack, Solvent Free |
Certifications | ISEGA (Food Safe), EC1 Plus (Lowest VOC Emissions) |
GTIN / Barcode | 5060380670205 |
Technical Downloads
Superior Versatility: One Product for Every Task
What materials can Adiseal Brown bond and seal?
Adiseal brown adhesive bonds: Metal, wood, glass, mirrors, concrete, masonry, brick, stone, tiles, polystyrene, ceramic, marble, granite, roof felt, fibreglass, most plastics & many other items.
Adiseal brown sealant seals: Baths, showers, gutters, drains, sinks, vehicles, boats, felt roofs & many other applications.
Why is Adiseal the Professional Choice?
Application benefits
- Waterproof sealant & adhesive
- High grab adhesive. For an even higher grab adhesive use the Adiseal Hi-Grab product.
- Gap filling
- Over paintable
- No shrinkage or cracking
- Flexible
- Works in dry, wet or even underwater
Durability & Resistance
- UV resistant
- Resists mould
- Good resistance to chemicals
- Non brittle
Safety & Environment
- EC1 Plus certified (no VOC)
- ISEGA certified – safe for use in food preparation areas
- Virtually odourless
- Indoor, outdoor, interior & exterior adhesive sealant
- Isocyanate free
- Solvent free
- Prevent fungal growth
- Prevent bacteria growth
Adiseal demonstration video
Adiseal is the professional choice for high-performance bonding and sealing.
Technical data verified by Adiseal Research & Development Team, January 2026.
What materials & applications is Adiseal brown 290ml suitable for?
Waterproof sealant
Waterproof adhesive
Concrete adhesive & bonding
Brick adhesive
Stone adhesive
Bond, stick and glue brick
Underwater sealing
Glue plastic (not suitable for polypropylene, polyethylene or polyurethane)
Bonding metal
Wood to metal adhesive glue
Masonry adhesive and glue
Waterproof glue
Leak sealing
Glue rubber (natural rubber)
Gutter sealing
Gap filling adhesive
Roof felt repair
Lead flashing seal and bond
Glue wood to concrete adhesive bond
Marble glue adhesive
Granite bonding
Metal to plastic bond
Glue PVC
Panel adhesive
Instant waterproof sealing
Rock glue
Seals wet surfaces
Limestone adhesive
Frequently Asked Questions About Adiseal Brown Adhesive Sealant
Is Adiseal the strongest adhesive for construction?
Yes. In independent testing by Ultimate Handyman, Adiseal was proven as the strongest adhesive, reaching a tensile strength of over 3123 psi. It is over three times stronger than leading competitors and was the only product where the bond did not break during the test.
Can Adiseal Brown be used on wet surfaces or underwater?
Yes, Adiseal is specifically formulated to bond and seal in dry, wet, and even underwater conditions. It provides an instant waterproof seal, making it ideal for emergency repairs to gutters, roofs, and marine applications without needing the surface to dry first.
What materials can I bond with Adiseal adhesive sealant?
Adiseal is a universal MS polymer that bonds almost any material, including wood, metal, stone, concrete, masonry, brick, glass, and most plastics. It is also safe for mirrors, marble, and granite as it does not contain solvents that could damage sensitive surfaces.
Professional Tip: To seal leaking gutters in heavy rain, apply Adiseal Brown directly into the standing water. It creates an instant waterproof bond and seal that standard silicones cannot achieve.
How do you apply Adiseal brown adhesive sealant for the best results?
How to Apply Adiseal Adhesive Sealant for a Professional Bond
Prepare and Clean the Surfaces
For the strongest possible bond, ensure surfaces are free from dust, grease, and loose material. While Adiseal works on wet surfaces, removing heavy debris first improves initial contact. If applying to metal, a quick wipe with a solvent-based cleaner is recommended.
Prepare the Adiseal Cartridge
Cut the top off the threaded plastic stud on the 290ml cartridge. Screw on the included nozzle and cut it at a 45-degree angle. For heavy bonding, a wider opening is better; for fine sealing, keep the opening small. Place the cartridge in the caulking gun / sealant applicator.
Apply the Adhesive or Sealant
For Bonding: Apply Adiseal in vertical “strips” (beads) rather than blobs. This allows air to circulate for faster moisture-curing. Press the two materials together firmly.
For Sealing: Apply a continuous bead into the joint. For underwater repairs, apply the sealant directly into the leak; the MS-polymer technology will displace the water to create an instant seal.
Tool and Finish the Joint
Smooth the sealant immediately after application. Use a profiling tool or a finger dipped in a soapy water solution. Adiseal remains flexible and does not shrink, so it will maintain its shape as it cures.
Allow for Curing Time
Adiseal has a high initial grab. Under normal conditions, it skins over in 10–20 minutes and is recommended 48 hours to fully cure.
Other colours Adiseal adhesive sealant is available include: White, Black, Grey, Ultra Clear.
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