Metal Coating on Metal
Metal Coating on Metal sounds like an oxymoron. But we assure you that it is not.
Metal coating on metal applications occur frequently in a Metalier workshop.
Why apply Metalier metal to other metals?
There are a number of reasons.
One is that a metal substrate is desired because of its strength but the colour required is not available.
Another reason may be that the solid metal is not strong enough to support the object being created. Brass is a good example of this. Often the look of brass is required but solid brass isn’t a strong enough metal to bear the weight load.
A third reason is expense. Recent anecdotal evidence tells us that steel coated with Metalier brass is about a third of the cost of getting the same frame made with solid brass.
Use aluminium as a substrate for a door
Aluminium is a popular metal substrate. Aluminium front doors in a property with aluminium joinery makes sense. The door is made to fit the frame and there are fewer issues with hanging the door than there might be if wood is used.
The need to passivate
When a metal substrate is coated with another metal it is necessary to protect the substrate against the effects of the two metals reacting against each other. This is done by passivating the substrate. A metal-free barrier coat is applied between the substrate and the Metalier coating.
Without passivation there is the potential for the two metals to react against each other and to cause electrolysis. This may, over time, cause the coating to delaminate. And given that the coating will last 25 plus years, there is certainly plenty of time in which electrolysis could occur.
Our policy is always to be safe rather than sorry.
Metal coating on metal is neither oxymoron nor tautology. Contact us for more information about applying Metalier liquid metal coatings over metal.
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