Mildew Res. Silicone-White 3 oz.

Mildew Res. Silicone-White (3 oz.) is a marine-grade silicone sealant designed for above-the-waterline sealing on RVs, boats, and personal watercraft. It bonds to common marine substrates and is formulated to resist mildew while staying flexible over time.

Key Features

• Mildew-resistant, non-yellowing silicone sealant
• Stays flexible after years of exposure
• Adheres to metal, fiberglass, glass, non-oily woods, many plastics, and abraded rubbers

Intended Use

• Head and galley sealing applications
• Above-the-waterline interior/exterior sealing on boats and personal watercraft
• Sealing around hatches, dashboard components, deck hardware, and portlights (as applicable)

Product Details

• Product: Mildew Res. Silicone-White 3 oz.
• Sealant Type: Marine-grade mildew-resistant silicone
• Color: White
• Size/Capacity: 3 oz.
• 3M Part Number / SKU: 71-08017
• UPC / GTIN (barcode): 51135080177
• Weight (variant): 120 grams

Parts Desk Insights

Best Use Case: Best used for cleaning up and re-sealing above-the-waterline joints where mildew resistance and long-term flexibility matter (for example, head/galley-related seals).

Common Issues: For best results, remove old degraded caulk completely, clean and dry the surfaces before application, and use consistent bead placement to avoid gaps that can become moisture entry points.

Related Products & Accessories

• Mildew Res. Silicone-White 3 oz. – This product page.