Withstands Harsh Marine Environments
Providing a high-quality seal, 3M™ Marine Grade Silicone Sealant is a one-component cure, silicone sealant engineered to withstand the harsh marine environment. This weather-resistant sealant is formulated to resist mildew and form a non-yellowing seal for above waterline applications. In addition, this marine sealant is high-temperature resistant and remains flexible even after years of exposure. The non-shrinking and non-sagging properties of this product offer simple and efficient application. This marine-grade sealant adheres to bare and painted metal, fiberglass, glass, non-oily woods, plastics and abraded rubbers.
Recommended Applications
- Electrical hatch sealing
- Dashboard components
- Port lights
- Above the waterline interior/exterior sealing
Designed to Endure Marine Environments
3M™ Marine Grade Silicone Sealant is a part of a broad range of adhesive sealants uniquely formulated for the marine market. 3M™ Marine Grade Silicone Sealant is designed for reliable sealing performance in harsh marine environments.
Understanding Adhesive Sealants
Adhesive sealants provide strong, flexible durable elastomeric bonds that seal against the elements. These sealants excel in challenging industrial, transportation and construction applications. Choose a 3M Manual or Pneumatic Applicator for dispensing 3M adhesives sealant cartridges.
Bringing Better Ideas to the Surface through Science and Innovation
In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.

Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
3M 77559, Cubitron II Hookit Cloth Disc 784F, 77559, 36+ to 120+, 5 in x NH, Die 500X, 7100232738
Dynabrade 51301 .5 hp Straight-Line Die Grinder
3M 22408, Roloc Disc 361F, P100 YF-weight, TR, 1-1/2 in, Die R150S, 7000045101
3M 87261, Scotch-Weld Epoxy Adhesive DP100, Clear, 400 mL Duo-Pak, 7000121318, 6/case
3M 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 7000045092
Dynabrade 15420 Dynafile III Abrasive Belt Tool
Dynabrade 11486 Dynabelter Accu-Grinder Abrasive Belt Tool, Heavy-Duty
3M™ 72013, Adapter 529-04-50, 110-120 VAC, 7000131705, 1 EA/Case
3M 11419, Roloc Disc 361F, P240 XF-weight, TR, 2 in, Die R200P, 7000045105
Norton 66623325035 - 2" 120 Grit Fine Grade Aluminum Oxide Vortex Rapid Prep Green TR Non-Woven Surface Preparation Disc, 50 Each
Dynabrade 40610 Electric Dynafile II Abrasive Belt Tool
3M 22396, Roloc Disc 361F, 36 YF-weight, TR, 1-1/2 in, Die R150S, 7000045091
Dynabrade 14000 Dynafile Abrasive Belt Tool
3M™ 72010, Replacement Filter Kit 523-01-29, 7000056891, 1 EA/Case
Dynabrade 96101 Dynabrade Air Lube 10W/NR 24 Per Box
Dynabrade 11477 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 05009, Utility Cloth Roll 211K, 100 J-weight, 1 in x 50 yd, Full-flex, 7100016843
3M 16585, Accuspray Atomizing Head, Clear, 1.8 mm, 7100078990 
