Marine Deck Sealant

Selsil Marine Deck Sealant is a one-component, moisture-cured, high-strength, MS-based sealant.


  • Easy to apply.
  • Free of solvents and isocyanates.
  • No release of volatile organic components (VOC’s) during curing.
  • No bubble formation.
  • Excellent elasticity.
  • High adhesion strength.
  • UV and weather resistance.
  • Sandable when cured.
  • Resistant to fresh and salt water.


Chemical Base Hybrid-MS polymer
Curing Mechanism Moisture
Density 1,40 ± 0,03 g/ml
Tack free time 25± 5 min. (23°C, 50% RH)
Cure rate Min. 2,5 mm/day (23°C, 50% RH)
Temperature Resistance -40°C to +90°C
Application Temperature 5°C to 35°C
Hardness 50 ± 5 Shore A
Elongation at Break %300 (ASTM D412)
Tensile Strength 3 N/mm2 (ASTM D412)

Selsil Deck Sealant is used to fill the gaps between the teak boards used on the decks of boats, yachts and merchant ships and to maintain their elasticity. Application surface should be clean, dry, free of dust and grease. Selsil Primer should be applied before applying the product. After the primer has dried, Selsil Deck Sealant can be applied with a caulking gun. The product should be shaped within 25 minutes after application. Do not apply to frozen or wet surfaces. Avoid exposing the product to alcohol and solvents while it cures.

Keep out of reach of children. Avoid contact with eyes and skin. Wear gloves