Mildew Res.Silicone(White)Cart
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3M™ Mildew Resistant Silicone Sealant in white is a marine-grade, moisture-curing silicone designed for above-the-waterline sealing and for areas where mildew resistance and long-lasting flexibility matter.
Key Features
- Mildew resistant, non-yellowing sealant designed to help maintain a clean-looking bond over time
- Moisture-curing, one-component silicone for above-the-waterline sealing
- Flexible polymer that remains flexible even after years of marine exposure
- Adheres to bare and painted metal, fiberglass, glass, non-oily woods, many plastics, and abraded rubber
Intended Use
- Head and galley sealing applications
- Above-the-waterline interior/exterior sealing on boats and personal watercraft
- Sealing gaps where long-lasting flexibility and mildew resistance are desired (based on compatible substrate materials)
Product Details
- Product name: Mildew Res.Silicone(White)Cart
- Brand: 3M
- Color: White
- SKU: 71-08027
- Cartridge sealant (as indicated by product barcode/UOM context in listing metadata)
- Adhesion: Metal, fiberglass, glass, non-oily woods, many plastics, and abraded rubbers
- Recommended use: Head and galley sealing applications
- Performance notes: Mildew-resistant, non-yellowing seal that remains flexible even after years of exposure
Parts Desk Insights
Best Use Case: Best suited for above-the-waterline sealing where you want mildew resistance and a flexible, non-yellowing silicone bond—such as head and galley sealing jobs on marine surfaces.
Common Issues: For best results, keep surfaces clean and dry before application and confirm the sealant will be used on compatible materials (especially avoid oily contaminants). If you’re resealing, remove old material fully and verify mating surfaces are ready for a proper bond.
Related Products & Accessories
- Browse Sealants & Adhesives - Find matching marine sealants, primers, and related installation tools.
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.