Sealants

Versatile sealants for boat use. Special compounds for below and above the waterline.

Sealants -ryhmän tuotteet

Sikaflex 291i Adhesive/Sealant 300ml
Available
17,50 €
Sikaflex 292i Adhesive 300ml, white
Available
29,30 €
Sikaflex 290 DC PRO Polyurethane-based Sealant, black
Kampanja
Available
From 24,90 €27,90 €
Sikaflex 295 UV Window Sealant 300ml
Available
27,90 €
Sikaflex 591 Sealant 300ml
Available
17,50 €
Sika MultiPrimer Marine Primer 250ml
Available
44,00 €
Sika Primer 290 DC Primer 250ml
Available
57,90 €
Captain Tolley's Liquid Filler 60ml
Available
24,00 €
Casco Silicone, 40ml
Available
10,00 €
Duraflex Adhesive/Sealant and Joint Compound 200ml, clear
Out of stock
31,00 €
Duraflex Adhesive/Sealant and Joint Compound 200ml, black
Available from the supplier
33,00 €
Farm 100 Sealant for Wooden Boats 1kg
Kampanja
Available
16,90 €23,00 €
Farm 50 Sealing Compound for Wooden Boats 1Kg
Kampanja
Available
16,90 €23,00 €
Farm 80 Sealant for Wooden Boats 1Kg
Kampanja
Available
16,90 €23,00 €
Loctite Screw Lock and Seal 5G, strong
Available
17,70 €
Sikasil-C 300ml, Transparent Silicone
Available
21,00 €
Sikasil-C 70ml, Transparent Silicone
Available
13,00 €
Soudal FIX ALL FLEXI Sealant, white 200ml
Kampanja
Available
17,90 €28,40 €
Soudal FIX ALL Adhesive/Sealant
Kampanja
Available
13,90 €21,40 €
Soudal Fix-All Press Pack Adhesive and Sealant 290ml, clear
Kampanja
Available
22,90 €37,00 €

Suosittelemme sinulle

Sealants, silicone sealants and joint compounds

Caulk, silicone sealant and joint compound are materials used to seal, insulate and fill joints in various structures and materials. They are commonly used in boating, construction and home improvement projects to prevent water, air, dust and other contaminants from entering structures. Discover our selection!

What is sealant?

Caulk is a flexible and versatile material used to seal seams, joints and gaps on various surfaces. The main function of a sealant is to prevent water, air, dust and other contaminants from entering structures and joints. Caulk is widely used in both boating and construction and repair work due to its durability and ease of use.

Sealant properties

  1. Flexibility:
    The sealant retains its elasticity, allowing joints and seams to move without cracking.

  2. Adhesion:
    Sealant adheres to many materials, such as fiberglass, wood, metals, plastics, and stone.

  3. Water resistance:
    Sealant prevents water from entering structures.

  4. Resistance:
    The sealant is resistant to salt water, UV radiation, extreme temperatures and other environmental influences, making it particularly suitable for sealing boats.

Types of sealant

The composition of sealant can vary depending on the intended use. The most common types are:

  • Polyurethane-based sealant: Excellent durability and adhesion. Well suited for boats and outdoor areas.

  • Silicone-based sealant: Flexible and waterproof, but not suitable for paintable surfaces.

  • Acrylic-based sealant: Suitable for indoor use, but not as resistant to moisture and UV radiation.

Using sealant on a boat

In boating, sealant is an essential part of protecting structures:

  1. Grommets and fasteners:
    Sealant ensures that water does not enter the boat's structures through penetrations and fasteners.

  2. Deck structures:
    Sealant seals the boat's deck joints and protects them from salt water and moisture.

  3. Easy application:
    The sealant is applied, for example, with a caulking gun, and can be easily shaped before drying.

Sealant is a versatile and durable material that protects structures and joints from water, air currents and contaminants. By choosing the right type of sealant, you ensure that the end result of your work will withstand even the most demanding conditions.

What is silicone sealant?

Silicone sealant is a flexible and waterproof sealing material used to seal seams and joints and to protect against water, air currents and impurities. Silicone sealant is made from a silicone-based elastomer that maintains its flexibility and adhesion over long periods of time. Silicone sealant is particularly suitable for solid and smooth surfaces such as glass, metal and ceramics, but it is also used in boats and other vehicles in demanding conditions.

Silicone sealant properties

  1. Flexibility:
    Silicone sealant remains elastic after drying, making it ideal for sealing in moving and flexible structures.

  2. Water resistance:
    Silicone sealant is impermeable to water, making it a perfect choice for humid environments such as boats, bathrooms and outdoor areas.

  3. UV and heat resistance:
    Silicone sealant is highly resistant to UV radiation and extreme temperature fluctuations without cracking or becoming brittle.

  4. Adhesion:
    Silicone sealant adheres very well to smooth surfaces, but is not always suitable for porous materials without a separate primer.

What is silicone sealant used for?

  • For sealing windows and hatches:
    Silicone sealant prevents water and moisture from entering the boat's interior, especially at the seams of windows and hatches.

  • When attaching deck connections and equipment:
    Suitable for areas that are constantly exposed to moisture and vibration.

  • To protect electrical connections:
    Can be used to insulate and protect electrical connections from moisture.

How is silicone sealant used?

  1. Preparation:
    Clean and dry the surface to be sealed thoroughly. Remove any old sealant or contaminants.

  2. Dissemination:
    Cut the tip of the silicone sealant tube to the desired size and use a caulking gun to seal. Apply an even layer to the seam.

  3. Design:
    Smooth the silicone sealant with your finger or a spatula, for example, so that the sealant fits tightly and looks neat.

  4. Drying:
    Allow the silicone sealant to dry according to the manufacturer's instructions. Drying time varies, but can take several hours.

Silicone sealant is a versatile and durable sealant that is useful in wet and demanding environments, such as boats and bathrooms. Its water resistance, flexibility and longevity make it an excellent choice when reliability is required in sealing. However, the choice of silicone sealant depends on the application - if a paintable solution or one that adheres to porous surfaces is required, it is better to choose a different type of sealant.

What is sealant?

Caulk is a material designed to fill and seal joints and joints. Caulk is used to create a durable and flexible joint that protects structures from water, air currents, dust and other external stresses. Caulk is suitable for a wide range of applications, such as buildings, boats and industry, and its properties vary depending on the application.

Properties of sealant

  1. Flexibility:
    The sealant retains its elasticity, making it suitable for structures subject to movement, such as structural joints or seams.

  2. Adhesion:
    The sealant adheres well to many materials, such as fiberglass, wood, metal, concrete and plastic.

  3. Water resistance:
    Many sealants are completely waterproof, making them ideal for damp and outdoor applications.

  4. UV and weather resistance:
    High-quality sealants are resistant to UV radiation, temperature fluctuations and other weather conditions.

  5. Paintability:
    Most joint sealants can be painted, allowing for a neat and uniform appearance of the joints.

What is sealant used for?

  • For structural connections:
    Sealant protects the joints between the boat's hull and deck from water and other environmental influences.

  • For sealing penetrations and fasteners:
    Especially suitable for boat parts that are constantly exposed to moisture and vibration.

  • For deck structures:
    The sealant creates durable and waterproof protection for the seams of deck structures.

Different types of sealants

The type of sealant is selected based on the intended use and the required properties. The most common types of sealant are:

  1. Polyurethane-based sealant:

    • Very durable and flexible.

    • Suitable for boats, vehicles and outdoor areas.

    • Very adhesive and paintable.

  2. Silicone-based sealant:

    • Flexible and waterproof.

    • Suitable for humid environments such as bathrooms and boat penetrations.

    • Not paintable, which may limit use.

  3. Acrylic-based sealant:

    • Mainly used indoors.

    • Suitable for wall and ceiling joints that are not exposed to constant moisture.

    • Paintable and easy to work with.

  4. Butyl-based sealant:

    • Excellent adhesion to metal and plastic.

    • Often used in roof seams and industry.

    • Less elastic than other masses.

Advantages of sealant

  • Longevity:
    Caulk will last for years when chosen and used correctly.

  • Versatility:
    Suitable for a wide range of materials and objects.

  • Easy application:
    Can be applied with a caulking gun and easily shaped before drying.

  • Waterproof and airtight:
    Provides reliable protection against moisture, dust and temperature fluctuations.

Caulk is a flexible and versatile sealing material that protects joints and structures from moisture, air currents and wear. It is an indispensable tool in boating, construction and industry, and its choice depends on the requirements of the application. High-quality caulking ensures the durability of joints and the longevity of structures in all conditions.

Sealants, silicone sealants and joint compounds from Marinekauppa

Sealing your boat is an important part of boat maintenance, and with the right materials it is easy and effective. Choose the appropriate sealant from Marinekauppa's wide selection! If you don't know what is suitable for your boat, we are happy to help both in store and by email .



Nopea toimitus
Varastossa olevat tuotteet 1-3 arkipäivää. Tilaustuotteet arviolta 2-7 arkipäivässä.
Asiakaspalvelu
010 548 5605 asiakaspalvelu@marinekauppa.com
14 pv palautusoikeus
Tuotteilla on 14 päivän ilmainen palautusoikeus. Kaikilla tuotteilla on vähintään 6kk takuu.
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