
Marine-Tex epoxy putty is a heavy-duty structural epoxy used for emergency and permanent repairs to machinery, hulls, decks, stripped fasteners, piping, and tanks. It can be used on aluminium, fibreglass, and wooden boats and can be sanded, drilled, and finished with most common paints and coatings. However, it is not porous, so staining is not an option. Marine-Tex is a good option for boat owners who want to make repairs themselves and need a strong and durable solution. While it can be painted, there are some considerations when it comes to aesthetics and compatibility with other products.
| Characteristics | Values |
|---|---|
| Uses | Emergency and permanent repairs to machinery and equipment, hulls, decks, stripped fasteners, piping, and tanks |
| Colors | White and Gray |
| Application | Can be sanded or ground to shape, tapped and drilled |
| Finishing | Can be finished with most common paints and coatings |
| Mixing Ratio | 5 parts epoxy resin to 1 part hardener by volume; 6.3 parts resin to 1 part hardener by weight |
| Consistency | Thick, creamy, no-sag putty |
| Working Time | 30 minutes at 72°F; 15-20 minutes at higher temperatures |
| Cure Time | 24 hours at 72°F; longer at lower temperatures |
| Temperature Requirements | Not recommended below 55°F; heat required before, during, and after application if below 60°F |
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What You'll Learn
- Marine-Tex is a heavy-duty epoxy used to repair aluminium, fibreglass and wooden boats
- Marine-Tex can be sanded, shaped, tapped, drilled and painted
- Marine-Tex is available in white and grey—only the white can be tinted
- Marine-Tex is resistant to water, gasoline, diesel and chemicals
- Before using Marine-Tex, store it at 70°F and maintain a minimum temperature of 55°F for 24 hours while it cures

Marine-Tex is a heavy-duty epoxy used to repair aluminium, fibreglass and wooden boats
Marine-Tex is a heavy-duty epoxy used to repair aluminium, fibreglass, and wooden boats. It is a high-strength compound designed for filling, bonding, and rebuilding various materials, including wood, fibreglass, metal, and plastic. Marine-Tex is available in two colours: white and gray. The white epoxy can be tinted with colouring agents for fibreglass and wood applications, while the gray epoxy is recommended for machinery repairs.
Marine-Tex is an excellent choice for repairing problem areas located below the waterline as it is resistant to water and many chemicals. It can be used to repair aluminium, fibreglass, and wooden boats, making it a versatile option for boat owners. Additionally, it can be used to reinstall loose or stripped fasteners, permanently bond dissimilar metals without galvanic corrosion, and fill gouges in wood, metal, and fibreglass.
When using Marine-Tex, it is important to follow the proper mixing instructions. The epoxy resin and hardener should be mixed in a ratio of 5 parts resin to 1 part hardener by volume. If mixing by weight, the ratio changes to 6.3 parts resin to 1 part hardener. It is important to mix the components thoroughly and to work in a well-ventilated area. The temperature of the work area should be maintained at a minimum of 55°F for 24 hours while the epoxy cures.
Marine-Tex can be sanded, drilled, and tapped to shape, and it can be finished with most common paints and coatings. However, it is important to note that it is not porous, so staining is not an option. Marine-Tex has a creamy paste consistency that can be applied to vertical or horizontal surfaces, easily filling gaps and shaping to rebuild damaged components.
Marine-Tex has been praised by users for its effectiveness in repairing various boat issues. One user reported successful results in repairing a leaking boat, while another praised its ability to fix a large break in a lower unit. Overall, Marine-Tex is a reliable and versatile option for boat repairs, providing strong and durable solutions.
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Marine-Tex can be sanded, shaped, tapped, drilled and painted
Marine-Tex is a heavy-duty structural epoxy putty that can be used to repair aluminium, fibreglass, and wooden boats. It is a versatile product that can be used to repair a damaged hull, reinstall loose or stripped fasteners, permanently bond dissimilar metals without galvanic corrosion, and fill gouges in wood, metal, and fibreglass. Marine-Tex can also be used to repair machinery and equipment, decks, piping, and tanks.
One of the key advantages of Marine-Tex is its ability to be shaped and finished to match the surrounding surface. Once cured, Marine-Tex can be sanded or ground to shape, tapped, and drilled. This allows users to create a smooth and even surface that blends seamlessly with the surrounding area. The sanding process is similar to that of wood, resulting in a fine finish.
Additionally, Marine-Tex can be painted or coated to match the surrounding colour. It is compatible with most common paints and coatings, allowing for a variety of finishing options. It is important to note that Marine-Tex is not porous, so staining is not an option. However, tinting or colouring can be achieved by mixing ITW Fibre-Glass Evercoat's colouring agents into the epoxy putty before it cures, although this should not exceed 5% of the total volume.
The ability to paint or coat Marine-Tex provides a wide range of aesthetic possibilities. Users can choose from various colours and finishes to match the surrounding surface, whether it is a boat hull, machinery, or any other repaired item. Painting or coating Marine-Tex not only enhances the appearance but also provides additional protection and durability to the repaired area.
Overall, the sandability, shapeability, tapability, drillability, and paintability of Marine-Tex make it a highly versatile and effective repair solution for a wide range of applications, especially in marine and industrial environments. With proper preparation and finishing, Marine-Tex can provide strong and long-lasting repairs that blend seamlessly with the surrounding surface.
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Marine-Tex is available in white and grey—only the white can be tinted
Marine-Tex is a high-strength structural epoxy putty used for machinery and equipment repairs. It is available in two colours: white and grey. Marine-Tex White can be tinted with ITW Fibre-Glass Evercoat's colouring agents for fibreglass and wood applications. It is important to note that only a small amount of colouring agent should be used, not exceeding 5% of the total epoxy volume.
The white variety is intended to be flexible after curing and is used for fibreglass repair applications. It has a lower compressive strength than the grey variety, which is harder and more brittle. Grey Marine-Tex is recommended for machinery repairs.
While Marine-Tex can be tinted, it is important to note that it is not porous, so staining is not an option. However, it can be finished with most common paints and coatings. Customers have reported that Marine-Tex works well for repairs, especially on fibreglass boats, and that it is easy to mix and apply.
When using Marine-Tex, it is important to follow the correct mixing instructions and work in a well-ventilated area. The temperature of the work area should be maintained at a minimum of 55°F for 24 hours while the epoxy cures. Additionally, it is recommended to wear protective gear, such as rubber or vinyl gloves and eye protection, to avoid contact with the skin and eyes.
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Marine-Tex is resistant to water, gasoline, diesel and chemicals
Marine-Tex is a heavy-duty structural epoxy putty that can be used to repair aluminium, fibreglass, wooden boats, and machinery. It is available in two colours: White and Grey. Marine-Tex is resistant to water, gasoline, diesel, and many chemicals, including common acids, alkalies, and hydrocarbons. It is suitable for both emergency and permanent repairs and can be easily applied to most surfaces, including vertical and horizontal ones.
Once cured, Marine-Tex is impervious to water and many chemicals. It can be used to repair gouges or holes located below the waterline, making it an excellent choice for boat owners. The repaired areas are often stronger than before the damage occurred.
Marine-Tex is a high-strength compound designed to fill, bond, and rebuild various materials, including wood, fibreglass, metal, ceramic, glass, masonry, and plastics. It can also be used to repair damaged hulls, decks, stripped fasteners, piping, and tanks. The putty can be sanded, drilled, and shaped to fit the repair area and can be finished with most common paints and coatings.
It is important to note that Marine-Tex is not rated for potable water repairs and should not be used for such purposes. Additionally, the epoxy putty may expose users to chemicals, including Carbon Black, which is known to the State of California to cause cancer.
Overall, Marine-Tex is a versatile and durable repair solution for boat owners and professionals in the marine industry, providing effective resistance to water, gasoline, diesel, and various chemicals.
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Before using Marine-Tex, store it at 70°F and maintain a minimum temperature of 55°F for 24 hours while it cures
Before using Marine-Tex, it is important to store it at the recommended temperature for optimal results. The manufacturer recommends storing Marine-Tex at 70°F (21°C) before starting your project. This ensures ease of mixing and application, as the epoxy resin and hardener are designed to be mixed and applied at this temperature.
Maintaining a suitable temperature is crucial for the curing process. After application, the manufacturer recommends maintaining a minimum temperature of 55°F (13°C) for a full 24 hours while the epoxy cures. This constant temperature is essential to ensure the epoxy cures properly and reaches its full strength. Lower temperatures will result in longer cure times, so it is important to monitor the temperature during the curing process.
Some users have reported successful curing at temperatures as low as 55-60°F, but this may require a longer curing time, such as overnight or up to 24 hours. Others have suggested that maintaining a constant temperature with a heat lamp can speed up the curing process, but it is important to follow the manufacturer's recommendations for the best results.
It is worth noting that Marine-Tex is a high-strength structural epoxy designed for convenient proportioning and mixing. It can be used for emergency and permanent repairs to machinery, equipment, hulls, decks, stripped fasteners, piping, and tanks. Once cured, Marine-Tex can be sanded, drilled, tapped, and finished with most common paints and coatings, providing a strong and durable repair solution.
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Frequently asked questions
Marine-Tex Epoxy Putty can be finished with most common paints and coatings. However, it is not porous, so staining is not an option.
The cure time is 24 hours at a constant temperature of 72°F. Lower temperatures will create longer cure times. It is not recommended to apply the product in temperatures below 55°F.
The mixing ratio is 5 parts epoxy resin to 1 part hardener by volume. When mixing by weight, the ratio is 6.3 parts resin to 1 part hardener.






































