Mildew Res. Silicone-Clear 3 oz.
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3M™ Marine Grade Silicone Sealant (Clear) is a mildew-resistant, non-yellowing silicone that stays flexible for long-term marine sealing above the waterline. It adheres to common boat-building surfaces including metal, fiberglass, glass, non-oily woods, many plastics, and abraded rubbers.
Key Features
- Mildew-resistant formula for cleaner, longer-lasting seals
- Non-yellowing finish that maintains a clear appearance over time
- Stays flexible even after years of exposure in the marine environment
- Adheres to metal, fiberglass, glass, non-oily woods, many plastics, and abraded rubbers
- Ideal for above-the-waterline interior/exterior head and galley sealing applications
Intended Use
- Marine sealing (above the waterline)
- Head and galley sealing
- Interior/exterior sealing where a clear, flexible silicone sealant is desired
Product Details
- Brand: 3M
- Product: Mildew Res. Silicone-Clear
- Tube size: 3 oz
- Part/SKU: 71-08019
- Color/finish: Clear
- UPC/Barcode: 51135080191
- Key surface adhesion: metal, fiberglass, glass, non-oily woods, many plastics, and abraded rubbers
- Formulated performance: mildew-resistant, non-yellowing seal; remains flexible after years of exposure
- Recommended use: head and galley sealing applications
Parts Desk Insights
Best Use Case: Use this clear marine silicone sealant when you need a mildew-resistant, non-yellowing seal that will remain flexible on typical boat surfaces (especially above the waterline) such as around head/galley openings and other sealing joints.
Common Issues: For best results, start with clean, dry, properly abraded surfaces where needed—adhesion is strongest when mating areas are free of contaminants. If you’re sealing dissimilar materials (e.g., metal to plastic), confirm the surfaces are prepared correctly and use the sealant consistently along the joint to avoid gaps that can admit moisture.
Related Products & Accessories
Browse related Caulks, Sealants & Adhesives to complete the installation.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.