3M Marine Grade Silicone Sealant - Clear, 3 oz., Seals and Waterproofs
3M Marine Grade Silicone Sealant - Clear, 3 oz., Seals and Waterproofs
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3M Marine Grade Silicone Sealant - Clear, 3 oz., Seals and Waterproofs

|27 ratings

Key item features

  • High-Quality Sealant: High quality silicone sealant designed for marine environments
  • Versatile Use: Suitable for above the waterline interior/exterior sealing
  • Mildew Resistant: Formulated to resist mildew, non-yellowing, and non-sagging
  • Strong Adhesion: Adheres to bare and painted metal, fiberglass, glass, non-oily woods, many plastics, and abraded rubber
  • Moisture-Curing: Cures with moisture for a durable and long-lasting seal
  • Weather-Resistant: Engineered to withstand harsh marine environments and high temperatures
  • Flexible Application: Remains flexible even after years of exposure, non-shrinking and non-sagging
  • Recommended Uses: Ideal for electrical hatch sealing, dashboard components, port lights, and other above waterline applications
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4.4 out of 5 stars
stars
27 ratings20 reviews
How item rating is calculated
  1. 5 stars78% (21)
  2. 4 stars7% (2)
  3. 3 stars4% (1)
  4. 2 stars0% (0)
  5. 1 star11% (3)
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Showing 1-3 of 20 reviews

Apr 22, 2026
Kim
Item details
Color: Clear
Size: 0.25
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great hold

I would highly recommend this product. It is easy to use and holds great. I got the clear and I love it.

Incentivized Review
Helpful?1PYM0ZF8JVCD38752530
Jul 17, 2026
Cathy
Item details
Color: Clear
Size: 0.25
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

It Works?

Did exactly what I wanted. Was very messy.

Incentivized Review
Helpful?1PYM0ZF8JVCD38752530
Jun 10, 2026
Steven
Item details
Color: Clear
Size: 0.25
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Works and seals as it should

Incentivized Review
Helpful?1PYM0ZF8JVCD38752530
Current price is $15.28
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