Silicone Sealants

Silicone sealants are essential materials widely utilized in construction, automotive, and marine applications, known for their exceptional durability and versatility. This product category encompasses a range of high-performance silicone sealants specifically formulated to provide strong adhesion and sealing properties, making them ideal for both interior and exterior use.

Leading products in this category include 3M Marine Grade Silicone Sealant, available in both white and clear formulations in convenient 3 oz tubes and larger 304 mL cartridges. These silicone sealants are engineered to withstand harsh marine environments, offering excellent water resistance and flexibility. They are perfect for sealing joints and seams on boats and other marine equipment, ensuring reliable performance under challenging conditions.

Additionally, the 3M Dynatron Auto Seam Sealer Caulk is specifically designed for automotive applications, available in grey and white options. These sealants effectively fill gaps and seams, providing superior adhesion and a waterproof barrier. Whether for vehicle repairs or new builds, these products ensure that every seam is sealed against moisture and contaminants.

Each silicone sealant in this category is crafted to meet stringent quality standards, ensuring long-lasting performance and user satisfaction. Perfect for professionals and DIY enthusiasts alike, these silicone products are indispensable for various sealing applications, ranging from construction projects to automotive and marine repairs. With a broad selection, including different colors and sizes, customers can easily find the right silicone sealant to meet their specific needs, allowing for a seamless and aesthetic finish in any project. Choose high-quality silicone sealants to achieve durable, reliable, and effective sealing solutions tailored to your application requirements.

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  • 3M Marine Grade Silicone Sealant, Clear, PN08029, 304 mL Cartridge 3M Marine Grade Silicone Sealant, Clear, 304 mL Cartridge, 12/Case

    3M Products & Supplies

    3M Marine Grade Silicone Sealant, Clear, 304 mL Cartridge, 12/Case

    3M Marine Grade Silicone Sealant is formulated specifically for above-the-waterline sealing on RVs, boats and personal watercraft. Ideal for hatches, dashboard components, deck hardware, portlights and many other uses inside or out, it features a...

    $400.33
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  • 3M Marine Grade Silicone Sealant White, PN08027, 1/10 Gal Cart 3M Marine Grade Silicone Sealant, White, 304 mL Cartridge, 12/Case

    3M Products & Supplies

    3M Marine Grade Silicone Sealant, White, 304 mL Cartridge, 12/Case

    3M Marine Grade Silicone Sealant is formulated specifically for above-the-waterline sealing on RVs, boats and personal watercraft. Ideal for hatches, dashboard components, deck hardware, portlights and many other uses inside or out, it features a...

    $400.33
    Add to Cart The item has been added
  • Dynatron(R) Auto Seam Sealer White Caulk, 570 3M Dynatron Auto Seam Sealer Caulk, 570, White, 12 oz, 12 per case

    3M Products & Supplies

    3M Dynatron Auto Seam Sealer Caulk, 570, White, 12 oz, 12 per case

    Dynatron Auto Seam Sealer Caulk is a fast-skinning, permanently elastic, non-sagging formulation that is brushable and paintable. This sealer provides excellent adhesion to bare metal or painted surfaces and is a non-staining, all-purpose autobody joint...

    $212.83
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  • 3M Dynatron® Auto Seam Sealer Caulk, 550, Grey, 12 oz 3M Dynatron Auto Seam Sealer Caulk, 550, Grey, 12 oz, 12 per case

    3M Products & Supplies

    3M Dynatron Auto Seam Sealer Caulk, 550, Grey, 12 oz, 12 per case

    Dynatron Auto Seam Sealer Caulk is a fast-skinning, permanently elastic, non-sagging formulation that is brushable and paintable. This sealer provides excellent adhesion to bare metal or painted surfaces and is a non-staining, all-purpose autobody joint...

    $198.43
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  • 3M Marine Grade Silicone Sealant 08019 3M Marine Grade Silicone Sealant, Clear, 3 oz Tube, 6/Case

    3M Products & Supplies

    3M Marine Grade Silicone Sealant, Clear, 3 oz Tube, 6/Case

    3M Marine Grade Silicone Sealant is formulated specifically for above-the-waterline sealing on RVs, boats and personal watercraft. Ideal for hatches, dashboard components, deck hardware, portlights and many other uses inside or out, it features a...

    $82.81
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  • 3M Marine Grade Silicone Sealant 08017 3M Marine Grade Silicone Sealant, White, 3 oz Tube, 6/Case

    3M Products & Supplies

    3M Marine Grade Silicone Sealant, White, 3 oz Tube, 6/Case

    3M Marine Grade Silicone Sealant is formulated specifically for above-the-waterline sealing on RVs, boats and personal watercraft. Ideal for hatches, dashboard components, deck hardware, portlights and many other uses inside or out, it features a...

    $82.81
    Add to Cart The item has been added