Selleys Marine Flex For Boats Pools and Spas Water Proof [White]

Selleys Marine Flex is a high-performance adhesive and sealant designed for marine and water-exposed applications. Using Sil-X advanced polymer technology, it provides a permanent watertight seal above and below the waterline, even in salt, fresh, or chlorinated water. Key Features Cures and bonds underwater No primer required for most surfaces Strong and flexible bond absorbs vibration and movement Solvent-free and isocyanate-free formulation Sandable once cured 10-year watertight seal guarantee (above waterline) Where to Use Ideal for marine, pool, spa, and construction projects where water exposure or movement is expected. Suitable for bonding and sealing: Boat hulls, fittings, and deck seams Pool tiles, coping, and skimmer boxes Concrete, fibreglass, sealed timber, and metal surfaces Glass, ceramics, and most rigid plastics Technical Details Technology Sil-X advanced polymer Colour White or Black Size 410g cartridge Finish Smooth, paintable once cured How to Apply Ensure surfaces are clean and free from grease, oil, or dust. Can be applied to damp or wet surfaces. Cut the nozzle to the desired bead size and apply using a standard caulking gun. Tool the sealant immediately with a soapy water solution before it begins to skin. Allow to cure fully before sanding or painting if required. Limitations Not suitable for polyethylene (PE), polypropylene (PP), or PTFE materials Gelcoat surfaces should be lightly sanded before application The watertight guarantee applies to applications above the waterline Why Choose Selleys Marine Flex When you need a sealant that can withstand constant water exposure, movement, and vibration, Selleys Marine Flex delivers unmatched reliability. It bonds powerfully, stays flexible, and ensures a lasting waterproof finish for marine, pool, or construction applications.