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🚤 Seal fast, stay flexible, sail fearless!
3M Marine Adhesive Sealant Fast Cure 4200FC is a professional-grade, polyurethane-based sealant designed for rapid curing in just 24 hours. It forms durable, flexible, and waterproof bonds above and below the waterline on a variety of materials including wood, fiberglass, and metal. Engineered to resist weathering, saltwater, vibration, and structural movement, this semi-permanent adhesive allows for easy disassembly without damage, making it the go-to choice for marine and RV maintenance professionals.







| ASIN | B001QWN8VE |
| Best Sellers Rank | #3,103 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #23 in Adhesive Caulk #31 in Industrial Sealants #2,008 in Hardware |
| Brand | 3M |
| Brand Name | 3M |
| Color | White |
| Compatible Material | Wood |
| Container Type | Cartridge |
| Customer Reviews | 4.6 out of 5 stars 1,697 Reviews |
| Full Cure Time | 24 hours |
| Global Trade Identification Number | 00051135065600 |
| Included Components | One 10 Ounce Cartridge |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Type Name | 3M Marine Adhesive Sealant Fast Cure 4200 (06560) – Semi-Permanent Flexible Adhesive Sealant for Boats and RVs – White - 10 fl oz (295 mil) |
| Item Weight | 12.8 ounces |
| Manufacturer | 3M |
| Material | Polyurethane , Wood |
| Material Type | Polyurethane,Wood |
| Model | 3004.78 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Strong |
| Part Number | 00051135065600 |
| Special Feature | Strong |
| Specific Uses For Product | boating |
| Tensile Strength | 300 psi |
| UPC | 051135065600 |
| Unit Count | 10 Fluid Ounces |
| Viscosity Level | Medium |
| Volume | 295 ml |
| Water Resistance Level | Waterproof |
B**E
Very good product
I used this product to seal up bolts on a boat transom. I was able to use it to seal the tube shut, then use it again several weeks later. It starts to cure very quickly, so if you want to tidy is up your seams then you only have a few minutes before it’s too thick to manipulate into a uniform joint.
W**G
EXCELLENT, WORKED GREAT TO STOP THE LEAK IN OUR CAMPER.
Had a slight leak in the caulking of our “new to us” camper so we removed the caulking and used this #M Marine Sealent. Cure time was fairly fast, just as advertised. We were expecting major storms the next several days and after 6 straight days of hard rain we were pleased there was no leaking. The application was easy. I recommend cutting the tip at an angle to get a small beading. It did dry with slight coloration. It is not a white/white. I felt the cost was a bit much, but it’s the first time I’ve bought sealant of this nature. That said…. The price I spent on this single tube- and the excellent job it did at stopping the leak was priceless! Will buy again when/ if the need arises in any other locations on the camper. So in that sense, GREAT value for our money!!
L**E
Came Smashed
This came packed between 2 12volt batteries. Needless to say fedup X handled with care( that they would ruin whatever was inside.) And that they accomplished as well as a professional demo team could! I used a spatula for what I could but there was a lot of waste, I will be buying at home dep. unless Amazon teaches the shipping packer of theirs how to pack, Amazon should have their people put in a shipped or packed by slip to get feedback on an employee that doesn't care about the quality of their work. Other than that the product was Great!
T**1
Holds up to Texas heat
Works as expected
B**N
Wood boat must
This is great stuff. Just wish they still had the mahogany color. I cant find it.
K**P
I Recommend This Product
Fast shipping and quality product.
L**D
Great product!
Great product!
A**L
Buy again
Buy again
C**L
Qualité
Qualité de l’adhésif
E**S
Buenisimo
Buenisimo y el precio magnífico
K**N
Great adhesive for fibreglass
Great product ! Easy to apply. Used it to repair a fibreglass trailer. Results were better than expected. Easily sanded off the excess adhesive.
L**O
Es una silicon marina de muy buena calidad
Desde que conozco esta marca es la que uso. Quizá parezca cara pero es muy eficaz.
I**W
3M adhesives
Used this to seal the bottom of my leaky aluminium boat. Amazing adhesive that sticks to aluminium and does not wash off. Used it on another boat over 5 years ago and still water tight.
Trustpilot
1 month ago
5 days ago