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Why You Should Use an Epoxy Adhesive to Fix Minor Radiator Leaks

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People who own older homes may find that they have to repair a defective radiator at an inopportune time, such as on a cold winter night after that radiator stops working because of a leak. This article discusses some reasons why you should use an epoxy adhesive to fix that small leak instead of incurring the cost of calling a service technician to fix that minor problem.


The metal epoxy adhesive forms a very strong bond with the metal of the radiator. That bond is so strong that the only way to remove the metal epoxy adhesive from the surface where you have applied it is by using mechanical means, such as using a grinder. Such strength means that the repair that you conduct on the radiator is unlikely to fail quickly.

Heat Resistance

Another key benefit of using metal epoxy adhesives for that repair job is that the epoxy will resist higher temperatures beyond what your radiator is likely to be exposed to. For instance, some brands of metal epoxy adhesives can withstand up to 600-degrees Fahrenheit. Such heat resistance helps to make those epoxy adhesives ideal for applications where heat resistance is required.

Ease of Application

Metal epoxy adhesives are also an ideal solution to minor radiator leaks because they are very easy to use. You just need to drain the radiator and then clean the point where you detected the leak. Once the surface dries, apply the epoxy product and let it set for a few minutes. You can then refill the radiator so that it can start working again. This ease of application may be why these products are a favourite among DIY enthusiasts.


Metal epoxy adhesives are a good choice because they are readily available near you. For instance, you can buy them from an auto repair shop near you. They are also available in hardware and convenience stores. It will therefore be easy for you to buy the product as soon as you realise that a radiator in your home has developed a leak.

You will only be able to get the benefits of metal epoxy adhesives if you follow the specific application guidelines provided on the package. You may also need to call a radiator service professional to check your air conditioning system just in case a bigger problem was responsible for the leak that you fixed using the epoxy product. You should therefore remember to tell the technician about the problem that you fixed before the scheduled HVAC inspection.