Bostik Marine Silicone Sealant Overview
Engineered for aquatic and high-moisture environments, this sealant forms a strong, watertight bond ideal for fish tank construction and waterproof sealing. It features nonsag application properties and remains flexible across a wide temperature spectrum.
Bostik Marine Silicone Sealant Benefits and Features
Marine-Grade Waterproofing: Forms durable seals in aquariums and underwater joints
Permanently Flexible: Maintains elasticity in dynamic or shifting joints
UV and Age Resistant: Withstands outdoor exposure and aging
Vertical Application Friendly: Non-sag formula for vertical and overhead use
Primerless Bonding: Sticks directly to clean, nonporous surfaces
Steps to Follow for Using the Bostik Marine Silicone Sealant
Preparation:
Clean and dry surfaces thoroughly
Degrease with acetone or suitable solvent (avoid alcohol-based cleaners)
Abrade plastics lightly if needed
Use masking tape to define sealant lines
How to Use the Bostik Marine Silicone Sealant:
Cut nozzle tip at an angle and apply in a continuous bead using a caulking gun
Press surfaces together or smooth the bead within 3–5 minutes
Remove masking tape before skin formation
Tack-free in ~25 minutes; full cure in 24 hours
Cleanup:
Wipe away excess sealant immediately
Clean tools with a solvent such as acetone
Store cartridge sealed in a cool, dry place
A Few Scenarios Where the Sealant Can Be Used:
Constructing fish tanks and aquariums
Marine equipment and vessel repairs
Sealing glass and metal bathroom fixtures
Waterproofing nonporous outdoor surfaces
Bonding coated wood or canvas where flexibility is needed
Other Products You May Need for Your Sealing and DIY Projects
Health and Safety
Do not apply to surfaces that require later painting. Keep out of reach of children. Ensure adequate ventilation when applying indoors. Avoid contact with skin and eyes—use gloves and protective gear as needed.
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