I did use a permanent marker to match my convertible to to the glued glass window

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Marine Adhesive Sealant 4000 UV (05280), Medium Strength Flexible Waterproof Adhesive Sealant for Boats and RVs, UV Resistant, Cures in 24 Hours, White, 3 fl oz Tube

Marine Adhesive Sealant 4000 UV (05280), Medium Strength Flexible Waterproof Adhesive Sealant for Boats and RVs, UV Resistant, Cures in 24 Hours, White, 3 fl oz Tube

Q: Can I use this as a glue/sealer on my wooden hot tub?

This is low strength. I would choose at least a medium strength silicone sealer.

Q: Will this work to seal the top on a raised roof van?

3M Marine 4000 UV Adhesive is an excellent UV resistant caulk. The 4000 is especially designed for fiberglas and teak. If you want the toughest structural waterproof joint use the 3M 5200. Do not use the 5200 if you plan to take the raised part off. Once cured the 5200 forms a tenacious glued together joint.

Q: does this caulk contain polyurethan?

No, unless it goes by another name. I did not see it listed on the label. -Jim

Product ID: 6326307

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Details

Brand
3M
Specific Uses For Product
Material
Plastic
Item Form
Liquid
Special Feature
Waterproof

⏳Cures fast in 24 hours

🌊Waterproof & flexible bond

☀️Superior UV resistance

Frequently Bought Together

3M Marine Adhesive Sealant 4000 UV (05280), Medium Strength Flexible Waterproof Adhesive Sealant for Boats and RVs, UV Resistant, Cures in 24 Hours, White, 3 fl oz Tube

3M Marine Adhesive Sealant Fast Cure 5200 (06535) Permanent Bonding and Sealing for Boats and RVs Above and Below the Waterline Waterproof Repair, White, 1 fl oz Tube

3M Marine Grade Silicone Sealant, 08019, For Boats and RVs, Above the Waterline Interior/Exterior Sealing, Clear, 3 fl oz Tube

Description

⚓ Seal the deal with confidence—marine-grade strength that lasts above and below the waves!

FLEXIBLE YET STRONG - Elastomeric adhesion absorbs shocks, vibrations, and movement without cracking or losing grip.
UV DEFYING DURABILITY - Engineered to resist harsh sun exposure, perfect for outdoor marine and RV environments.
PAINT READY IN MINUTES - Forms a protective skin in under an hour and accepts water-based paint immediately for seamless customization.
COLOR STABLE PERFORMANCE - Keeps its crisp white finish above & below waterline—no fading, no worries.
MULTI PURPOSE MARINE ESSENTIAL - Ideal for sealing portholes, deck fittings, rub rails, and more—secure yet removable when needed.

Marine Adhesive Sealant 4000 UV is a medium-strength, flexible, waterproof sealant designed for boats and RVs. It offers excellent UV resistance, cures fully within 24 hours, and maintains color stability both above and below the waterline. This versatile sealant bonds securely while allowing for joint movement and easy disassembly, making it an essential product for durable, long-lasting marine and outdoor applications.

Have a Question? See What Others Asked

is it paintable?

Can I use this as a glue/sealer on my wooden hot tub?

Will this work to seal the top on a raised roof van?

does this caulk contain polyurethan?

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