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⚓ Seal smart, sail confident — the marine adhesive that works as hard as you do!
Berkland Marine Adhesive Sealant 4000 UV is a professional-grade, semi-permanent polyurethane sealant designed for marine use. It cures tack-free in 20 minutes and fully in 24 hours, providing a watertight, flexible bond above and below the waterline. Its UV-resistant formula prevents yellowing and chalking, maintaining a clean white finish. Compatible with fiberglass, wood, metal, and marine plastics, it offers strong adhesion while allowing easy removal for future maintenance. Packaged in a 10 oz cartridge, it’s a trusted alternative to 3M 4200 with low VOC and solvent-free application.
| ASIN | B0CNBFSCZF |
| Best Sellers Rank | #56,546 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1,509 in Boating Equipment |
| Brand | Berkland |
| Brand Name | Berkland |
| Color | White |
| Compatible Material | Marine Components |
| Container Type | Tube |
| Customer Reviews | 4.6 out of 5 stars 330 Reviews |
| Full Cure Time | 24 hours |
| Global Trade Identification Number | 00860010716663 |
| Included Components | Nozzle |
| Item Form | Paste |
| Item Highlight | Semi-permanent watertight bond above & below the waterline - UV resistant for boats, decks & fittings |
| Item Package Quantity | 1 |
| Item Weight | 13 ounces |
| Manufacturer | Berkland |
| Material | Polyurethane |
| Material Type | Polyurethane |
| Model | 86001071 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Crack Resistant |
| Part Number | 10ozms4042u |
| Special Feature | Crack Resistant |
| UPC | 860010716663 |
| Unit Count | 10 Ounce |
| Viscosity Level | Medium |
| Volume | 10 fluid ounces |
| Water Resistance Level | Waterproof |
U**T
Economical and quality product
I used it to rebed the mast step on my 1986 ComPac 27 sailboat. So far, it looks good.
M**N
My go to for semi-permanent adhesive on my sailboat.
A good value when compared to other name brand marine adhesive sealants. Love the added gloves. I only wish they would include a cap for the nozzle in order to give you another day of working before the sealant in the tube and nozzle starts to harden.
T**Y
You won’t be disappointed.
Just as good as 3M
D**D
Pool
Worked great around the perimeter of my pool
D**N
Good polyurethane
Very nice product, great flexibility, and dries very rapidly!
T**E
So far, better than the brand name stuff
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.
A**R
Works great!
Worked great for my boat projects.
E**R
adhesive still working 1 yr on.
I used this for mounting ceiling pieces in a camper van last summer. One year on, they are still holding up well.
Trustpilot
2 weeks ago
1 month ago