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

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.

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.

does this caulk contain polyurethan?

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

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3M Marine Adhesive Sealant 4000 UV, PN06580, White, Medium Strength Flexible Waterproof Adhesive Sealant for Boats and RVs, UV Resistant, Cures in 24 Hours, 295 mL Cartridge, 10 Fl Oz (Pack of 1)

3M Marine Adhesive Sealant 4000 UV, PN06580, White, Medium Strength Flexible Waterproof Adhesive Sealant for Boats and RVs, UV Resistant, Cures in 24 Hours, 295 mL Cartridge, 10 Fl Oz (Pack of 1)

Product ID: 9786698

⏳Cures fully in 24 hours

☀️Superior UV resistance

🛥️Medium-strength flexible bond

€ 54.29

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Seal it like a pro—flexible, fast, and UV tough!

UV PROOF DURABILITY - Keeps its pristine white color and performance even under relentless sun exposure.
MULTI SURFACE MASTERY - Bonds seamlessly to aluminum, wood, gel coat, and fiberglass for versatile marine and RV use.
WATERPROOF CONFIDENCE - Creates a watertight seal above and below the waterline, ensuring long-lasting protection.
FAST PAINT READY CURE - Forms a protective skin in under an hour and accepts water-based paint immediately—no downtime.
MARINE GRADE FLEXIBILITY - Maintains strong, flexible seals that move with your boat, resisting shock and vibration.

3M Marine Adhesive Sealant 4000 UV is a medium-strength, moisture-curing sealant designed for marine and RV applications. It delivers flexible, waterproof bonds that resist UV damage and maintain color stability above and below water. With a 24-hour cure time and paintability when wet, it offers professional-grade durability and versatility for demanding outdoor environments.

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