---
product_id: 612011791
title: "Marine Adhesive Sealant 4000 UV, 10 oz White — Semi-Permanent Watertight Bond Above & Below Waterline, UV Resistant Marine Caulk for Boats, Decks, Hatches & Fittings by Berkland, Compare to 4200"
brand: "berkland"
price: "VT7342"
currency: VUV
in_stock: true
reviews_count: 8
category: "Berkland"
url: https://www.desertcart.vu/products/612011791-marine-adhesive-sealant-4000-uv-10-oz-white-semi-permanent
store_origin: VU
region: Vanuatu
---

# waterproof above & below 24hr fast cure UV resistant durability Marine Adhesive Sealant 4000 UV, 10 oz White — Semi-Permanent Watertight Bond Above & Below Waterline, UV Resistant Marine Caulk for Boats, Decks, Hatches & Fittings by Berkland, Compare to 4200

**Brand:** berkland
**Price:** VT7342
**Availability:** ✅ In Stock

## Summary

> ⚓ Seal it fast, seal it right—your boat’s best defense against water and wear!

## Quick Answers

- **What is this?** Marine Adhesive Sealant 4000 UV, 10 oz White — Semi-Permanent Watertight Bond Above & Below Waterline, UV Resistant Marine Caulk for Boats, Decks, Hatches & Fittings by Berkland, Compare to 4200 by berkland
- **How much does it cost?** VT7342 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/612011791-marine-adhesive-sealant-4000-uv-10-oz-white-semi-permanent)

## Best For

- berkland enthusiasts

## Why This Product

- Trusted berkland brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid 24-Hour Cure:** Get your boat sealed and ready faster than ever—no downtime, no delays.
- • **Flexible Yet Strong Bonding:** Semi-permanent hold that flexes with movement but won’t let go under pressure.
- • **Ultimate UV & Water Resistance:** Built to withstand harsh sun and saltwater environments without cracking or peeling.
- • **Versatile Marine Compatibility:** Perfect for fiberglass, gelcoat, wood, and more—ideal for all your deck fittings and hardware.
- • **Effortless Single-Component Application:** No mixing, no mess—just smooth, professional-grade sealing straight from the tube.

## Overview

Berkland’s 10oz Marine Adhesive Sealant 4000/4200 FC is a professional-grade, fast-curing polyurethane sealant designed for above and below waterline use. It delivers a flexible, semi-permanent bond that resists UV rays, weathering, and saltwater degradation. Easy to apply with no mixing required, this waterproof sealant is ideal for marine components like fiberglass, wood, and gelcoat, curing fully within 24 hours to provide durable, crack-resistant protection.

## Description

PROFESSIONAL GRADE - When it comes to your boat, you don't want to take chances. Our marine adhesive provides watertight bonding and sealing for fiberglass / gelcoat, wood and more. Creates watertight, weather-resistant, UV-resistant seals. Holds up well during vibration, movement and shock Great Holding Power While Maintaining Flexibility - Our marine adhesive creates a medium-strength, semi-permanent bonds that allow bonded parts to be removed when desired. Perfect for use on deck fittings, through-hull fastenings, stern joints, access plates, hardware, hatches, portholes, railings, navigation lights, window / door frames, and more Fast Cure, Above and Below Waterline - Unlike many marine adhesives, our 4000 / 4200 FC cures within 24 hours. Work for areas above AND below the waterline. Compare to other brand's 4000 and 4200 Fast Cure / FC and UV sealants, including 06560, 05260 and 06580 UV-Resistant, Long Lasting - No more worrying about a sealant that degrades with sun exposure - our marine sealant holds up. Does not degrade in a high sunlight/UV exposure environment. Resistant to weathering and degradation in either saltwater or freshwater environments Easy Application - A single-component sealant that requires NO mixing. Solvent-free, Non-toxic, Low VOC. No cracking or peeling! 10oz tube, white sealant. By Berkland

Review: Easy to use, economy product that works well. - Used to secure new wall panel in a boat locker. Works as designed. Easy to apply with caulk gun and after 24 hours it’s setting up and holding firm. Cleanup up is typical, paint thinner or stronger. No idea on longevity, but it appears to work properly. A huge savings over big brands. It does seem smoother or thinner than big brands but works well and is easier to use. I will purchase again on my next project.
Review: Great marine adhesive - Good stuff. Worked well on the boat, and it adheres to silicone which is a plus. Has held up well in my last couple outings on the boat, so no complaints on water resistance.

## Features

- PROFESSIONAL GRADE - When it comes to your boat, you don't want to take chances. Our marine adhesive provides watertight bonding and sealing for fiberglass / gelcoat, wood and more. Creates watertight, weather-resistant, UV-resistant seals. Holds up well during vibration, movement and shock. Gloves included.
- GREAT HOLDING POWER WHILE MAINTAINING FLEXIBILITY - Our marine adhesive creates a medium-strength, semi-permanent bonds that allow bonded parts to be removed when desired. Perfect for use on deck fittings, through-hull fastenings, stern joints, access plates, hardware, hatches, portholes, railings, navigation lights, window / door frames, and more
- FAST CURE, ABOVE AND BELOW WATERLINE - Unlike many marine adhesives, our 4000 / 4200 FC cures within 24 hours. Work for areas above AND below the waterline. Compare to other brand's 4000 and 4200 Fast Cure / FC and UV sealants, including 06560, 05260 and 06580
- UV-RESISTANT, LONG LASTING - No more worrying about a sealant that degrades with sun exposure - our marine sealant holds up. Does not degrade in a high sunlight/UV exposure environment. Resistant to weathering and degradation in either saltwater or freshwater environments
- EASY APPLICATION - A single-component sealant that requires NO mixing. Solvent-free, Non-toxic, Low VOC. No cracking or peeling! 10oz tube, white sealant. By Berkland. Gloves Included.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CNBFSCZF |
| Best Sellers Rank | #18,966 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #640 in Boating Equipment |
| Brand Name | Berkland |
| Color | White |
| Compatible Material | Marine Components |
| Container Type | Tube |
| Customer Reviews | 4.6 4.6 out of 5 stars (287) |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00860010716663 |
| Included Components | Nozzle |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Weight | 13 Ounces |
| Manufacturer | Berkland |
| Material Type | Polyurethane |
| Model | 86001071 |
| Other Special Features of the Product | Crack Resistant |
| Specific Uses For Product | Marine |
| UPC | 860010716663 |
| Unit Count | 10.0 Ounce |
| Viscosity | Medium |
| Volume | 10 Fluid Ounces |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Berkland
- **Item Form:** Paste
- **Material:** Polyurethane
- **Special Feature:** Crack Resistant
- **Specific Uses For Product:** Marine

## Images

![Marine Adhesive Sealant 4000 UV, 10 oz White — Semi-Permanent Watertight Bond Above & Below Waterline, UV Resistant Marine Caulk for Boats, Decks, Hatches & Fittings by Berkland, Compare to 4200 - Image 1](https://m.media-amazon.com/images/I/61HpuioWlHL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to use, economy product that works well.
*by C***S on May 28, 2025*

Used to secure new wall panel in a boat locker. Works as designed. Easy to apply with caulk gun and after 24 hours it’s setting up and holding firm. Cleanup up is typical, paint thinner or stronger. No idea on longevity, but it appears to work properly. A huge savings over big brands. It does seem smoother or thinner than big brands but works well and is easier to use. I will purchase again on my next project.

### ⭐⭐⭐⭐⭐ Great marine adhesive
*by L***R on June 29, 2025*

Good stuff. Worked well on the boat, and it adheres to silicone which is a plus. Has held up well in my last couple outings on the boat, so no complaints on water resistance.

### ⭐⭐⭐⭐⭐ So far, better than the brand name stuff
*by T***E on June 30, 2025*

I used the 3m version of this that has started to crack after 2/3 years on my boat. After one use I am impressed with this, it applies smoother than 3m and has held up better over the past 3 months than the brand name stuff did. Much better value and it seals well. I will update this after a year or two.

## Frequently Bought Together

- 10oz Marine Adhesive Sealant 4000/4200 Fast Cure UV (White) - Semi-Permanent, Flexible Bonding and Sealing - UV Resistant, Above & Below Waterline - Compare to 06560 and 05260 FC M - by Berkland
- 10 oz Marine Adhesive Sealant 5200 Fast Cure (White) - Permanent, Watertight Bonding and Sealing - UV Resistant, Above & Below Waterline - Compare to 05203 and 06520 FC M - by Berkland
- 3M Marine Adhesive Sealant Fast Cure 5200 (05220) Permanent Bonding and Sealing for Boats and RVs Above and Below the Waterline Waterproof Repair, White, 3 fl oz Tube

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-04*