Sealants and caulking for use above and below the waterline for your boat. 3M, Sika, Boat Life and other popular brands. If you’re looking to improve your boat’s durability and lifespan, a sealant and adhesive are two of the most versatile materials to apply. They provide water and airtight sealing between surfaces in your boat, intending to enhance both aesthetics and performance.


What is a sealant adhesive?

 Sealants are often used for their adhesive properties in order to isolate surfaces against electrolysis and help prevent vibration or noise. Sealants are rigid, flexible, and have a somewhat rubbery texture that is able to prevent water from penetrating your boat. Indeed, there are levels to which bond strength is offered depending on the product you’ll be getting, which should vary depending on your intended application. 

What is the difference between adhesives and sealants?

Since sealant and adhesives have somewhat similar functionalities, many people often find it difficult to differentiate each other. One of the primary indicators or differences between sealants and adhesives is their purpose and application. Adhesives are commonly used for bonding materials together. While Sealants often do the same, they have different properties as sealants have a more flexible material than adhesives, making them ideal for applications where expansion or contraction is an issue.

Choosing the Right Sealant

There are tons of different brand and manufacturers for sealants, so it could be challenging to choose which one is best for you. Here are some basic parameters you must look for before purchasing an adhesive sealant that is ideal for you and your preferences.

Strength is one of the top factors you must consider as the mechanical bond is the primary purpose of using sealants. Each product’s strength depends on which application they are suitable to use, so knowing your intended application should be helpful in finding out how much bond strength you actually need.


Flexibility means having the capability to absorb impact without breaking and minimizing its adhesive properties. Some applications are going to need much less strength and more flexibility. 

As mentioned above, compatibility is a huge factor when it comes to choosing the proper sealant for you. Since there are different types of adhesives for various applications, knowing the material and it’s compatibility is something that you should take note in order for you to choose what’s best for you.

How long does it take to completely set? How about removing or replacing the sealant? These questions are common since varying sealants have different properties and chemical compositions. Find something that is easy to use and easy to apply so you won’t have to waste time trying to figure this thing out.

Most importantly, durability. Since boats are prone to a harsh marine environment, it is crucial to have a well-performing sealant that can withstand these heavy circumstances. 


Where to Buy Adhesive Sealant

Looking to purchase some high-quality and high-performing adhesive sealants online? We highly recommend you check us out here at Poco Marine. We are providing some of the most popular brands from 3M, Sika, Boat Life, and other reputable brands. So what are you waiting for? Shop here online today at Poco Marine!

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