Flex Seal For Boats: Worth The Hype?

how good is flex seal on a boat

Flex Seal, the miracle cure liquid-rubber material, has made some bold claims in its TV commercials, including fixing a sawed-in-half boat. But does it work on boats? The answer is: sometimes. While it can work for small leaks, it is not suitable for large puncture holes or ripped seams. Flex Seal tape can be used for emergency sealing, but it will not last long-term. For a proper repair job, other methods such as epoxy or putty are recommended.

Characteristics Values
Effectiveness Flex Seal can be used as a temporary fix for small leaks in a boat. It is not suitable for large holes or ripped seams.
Durability Flex Seal tape can crack and peel over time, especially with repeated inflations and deflations.
Water Exposure Flex Seal must be completely dry before exposure to water to hold properly.
Boat Material Flex Seal can be used on aluminium, fibreglass, and inflatable boats.
Application Flex Seal should be applied in a well-ventilated area with a temperature of at least 60 degrees Fahrenheit.
User Experience User reviews are mixed, with some reporting success in sealing small holes, while others found it ineffective even under optimal conditions.

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Flex Seal can be used as a temporary fix for small leaks in a boat

Flex Seal spray and the version that comes in a can are also options for sealing small leaks in a boat. These products are designed to seal pinprick holes and may not be effective for larger punctures or ripped seams. It is important to follow the manufacturer's instructions and ensure proper ventilation and protection when using these products.

Some boat owners have reported success with using Flex Seal products for small repairs, but it is not recommended as a long-term solution. For a more permanent fix, it is best to use epoxies or other adhesives specifically designed for boat repairs. These products will provide a stronger and more durable seal, ensuring the safety and longevity of your boat.

While Flex Seal may have its limitations, it can be a useful item to keep in your boat's emergency kit. In the event of a small leak, it can provide a temporary solution until you can reach a safe location or make more permanent repairs. However, it is important to remember that Flex Seal should not be relied upon as a substitute for proper boat maintenance and repair techniques.

Overall, while Flex Seal can be helpful in certain situations, it should not be considered a miracle cure for boat leaks. Boat owners should prioritize proper repair techniques and regular maintenance to ensure their vessels' safety and longevity.

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It is not suitable for large punctures or ripped seams

Flex Seal is not a suitable solution for large punctures or ripped seams in boats. While it can be used as a temporary fix for small leaks, it is not designed to repair extensive damage. In the case of large punctures or ripped seams, it is recommended to use alternative methods such as epoxy or putty to address the issue effectively.

The effectiveness of Flex Seal products varies depending on the size of the holes or punctures. The spray and tape versions of Flex Seal are intended for sealing small holes and pinpricks. When it comes to larger punctures or ripped seams, these products may not be sufficient. The Flex Seal tape, in particular, can crack and peel over time due to repeated inflations and deflations of the boat.

It is important to note that Flex Seal is not a permanent solution for boat repairs. While it may provide a quick fix in emergency situations, it should not be relied upon for long-term use. For a more durable and reliable repair, it is recommended to use proper repair techniques and materials such as epoxy or putty. These methods will ensure that your boat is safely sealed and protected from leaks.

Additionally, Flex Seal may not be the best option for repairs below the waterline. While some users have reported success in using Flex Seal tape for underwater repairs, others have expressed skepticism about its long-term effectiveness. It is always advisable to consult with boat repair experts or professionals to determine the most suitable solution for your specific situation.

In summary, Flex Seal is not the ideal solution for large punctures or ripped seams in boats. While it can be useful for minor leaks and small holes, it may not provide a durable repair for more extensive damage. For larger punctures or ripped seams, it is recommended to explore alternative methods and products specifically designed for such repairs. Remember to prioritize safety and consult with experts to ensure the best outcome for your boat.

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It can be used as an emergency fix for inflatable boats

Flex Seal can be used as an emergency fix for small leaks in an inflatable boat. However, it is not a long-term solution and should only be used as a temporary fix.

Some people have reported success using Flex Seal spray to fix small holes in their inflatable boats. The spray is less messy and each can contain enough product for multiple applications or layers, which can be useful for sealing small holes.

If you need to seal your inflatable boat quickly and the hole is not too large, Flex Seal tape might work. However, the tape can crack with repeated inflations and deflations of the boat, and the corners may start to peel off over time. Therefore, while tape can be useful in an emergency, it is not recommended for long-term use.

Flex Seal can stop air leaks in inflatable boats, but this depends on several factors. Firstly, the size of the holes matters; Flex Seal is designed for pinprick holes, not large punctures or split seams. Secondly, the type of Flex Seal product used is important; the tape may be useful in a crisis but is not a long-term fix for air leaks. Finally, exposure to water will affect the tape's performance; if the boat is exposed to water before the Flex Seal is completely dry, it will not hold properly.

To seal an inflatable boat with Flex Seal, it is recommended to purchase their Raft Sealant Kit, a two-part sealant designed for use on Hypalon, PVC, neoprene, and EPDM, among other materials. The process involves mixing equal parts of the two containers, deflating the tube, pouring in the sealant, re-inflating the tube, and then distributing the sealant by rocking the tube back and forth and kneading it gently. It is important to ensure that the sealant is completely dry before exposing it to water and to follow the manufacturer's instructions for curing time.

While Flex Seal can be a temporary solution for small leaks in inflatable boats, it is not a substitute for proper repair techniques. If Flex Seal does not work, there are other adhesives designed specifically for sealing inflatable boats that can be used instead.

shunwild

It is not a long-term solution for air leaks in boats

Flex Seal is a "miracle cure" liquid-rubber material that makes bold claims about its ability to repair boats. However, it is important to note that Flex Seal is not a long-term solution for air leaks in boats. While it may work as a temporary fix for small leaks, it should not be relied upon as a permanent solution.

The effectiveness of Flex Seal depends on several factors. Firstly, the size of the holes matters. Flex Seal is designed to seal pinprick holes, but it will not adequately fill large punctures or ripped seams. Secondly, exposure to water is a critical factor. For Flex Seal to work, it needs to be completely dry before the boat is exposed to water. If the boat comes into contact with water before the sealant is dry, it will not hold properly.

Additionally, the type of Flex Seal product being used can make a difference. Flex Seal offers a range of products, including spray, tape, and glue. While the tape might be useful in an emergency, it is not a long-lasting solution for air leaks. The spray and canned versions of Flex Seal may be more effective, but even then, some boaters report that it did not stop air leaks even under optimal conditions.

It is worth noting that Flex Seal is intended as a temporary solution or a "band-aid" fix. If you are looking for a permanent repair, it is best to use proper repair techniques and materials. Epoxy, for example, is often recommended for fixing leaks in boats. This involves cleaning and drying the area, applying epoxy to the outside and inside of the hull, and allowing it to cure completely before exposing the boat to water again.

In conclusion, while Flex Seal may be useful in an emergency, it is not a long-term solution for air leaks in boats. Boat owners should not rely on Flex Seal as a substitute for proper maintenance and repairs. By using the correct repair techniques and materials, you can ensure the safety and longevity of your boat.

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It is important to prepare the surface well before applying Flex Seal

Flex Seal can be used to temporarily fix small leaks in a boat. However, it is not suitable as a permanent solution. Before applying Flex Seal, it is important to prepare the surface well to ensure the best possible outcome.

Firstly, identify the source of the leak by inspecting the boat for possible leak locations. This can be done by putting the boat on a trailer or lift to keep it dry during the inspection. Look for any imperfections or corrosion that may be associated with a soft spot. If no leaks are visible, try filling the boat with water and look for drips underneath.

Once the leak has been located, the area surrounding it must be cleaned and dried. Use a scrub brush and a degreaser to remove any dirt, sand, or debris from the inside and outside of the area to be repaired. After cleaning, wipe the area down with rubbing alcohol to ensure the surface is completely dry and free of any residue.

It is important to note that Flex Seal should not be applied over existing sealants or coatings, as it may not adhere properly. If there is any remaining sealant or coating on the surface, be sure to remove it thoroughly before applying Flex Seal.

Additionally, the temperature and ventilation of the work area should be considered. Flex Seal should ideally be applied in an ambient temperature of around 60 degrees Fahrenheit or higher, with good ventilation to ensure the solvent fumes can dissipate.

By taking the time to properly prepare the surface, you can improve the chances of Flex Seal effectively stopping the leak and ensure that it adheres properly to the surface. Remember, while Flex Seal can be a useful temporary solution, it is not a substitute for proper boat repair techniques.

Frequently asked questions

Flex Seal is a temporary solution for small leaks in boats. It is not suitable for large punctures or ripped seams. It is also not suitable for use below the waterline.

Flex Seal tape or spray can be used to seal small holes in an inflatable boat. The company also recommends purchasing their Raft Sealant Kit, a two-part sealant designed to work on Hypalon, PVC, neoprene, and more.

Some alternatives to Flex Seal for repairing a boat include Devcon Underwater repair putty, Devcon Aluminum Putty, JB Weld original, JB Marine Weld, and JB Water Weld.

While Flex Seal has been shown to repair a giant hole in a boat in TV commercials, real-world experiments have shown that it does not work as effectively.

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