Marine Silicone Sealant
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WEST MARINEMarine Silicone Sealant

Prices from $15.99 - To $22.99


In stock online.
Model # 542738 | Mfg # 542738UPC # 25282542734

Frequently Bought Together:

Total Price: $32.98


Product Overview

This all-around sealant-adhesive is a good choice for hardware that might have to be removed in the future.

A specially formulated marine silicone that won't sag, shrink or turn yellow. Unaffected by sunlight, weathering and most chemicals and solvents. Can be used above and below the waterline wherever a flexible, removable seal is required. Excellent for bedding deck fittings and hardware that you may want to remove at some time. Also good for insulating between dissimilar metals to prevent galvanic corrosion. Bonds to fiberglass, wood, plastic, glass and metal. Remains flexible from -70°F to 480°F. 2.8oz. tube or 10.3oz. cartridge; White or Clear.

Key features 

  • Provides a waterproof and airtight bond
  • Forms a mildew-resistant, non-yellowing seal
  • Adheres to bare and painted metal, fiberglass, glass, non-oily woods
  • Remains flexible with excellent resistance to the marine environment  


  • Formulation: One-part silicone sealant
  • Recommended Usage: Can be removed easily. Bonds to non-oily woods, metal, fiberglass, glass, plastics
  • Material Incompatibilities: None.
  • Compatibility:  Compatible with acrylics. Not as strong as polyurethane
  • Cure Time: Tack free: 1 hr; complete cure: 24 hrs.
  • Cleanup: Soap and water
  • Removal: Mechanical removal
 WARNING: Cancer and Reproductive Harm -


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