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Building countertop for undermount sink

We have a cabinet business and have been asked to build a countertop that an undercounter sink will be installed in. We have never attempted this. We have mounted undercabinet sinks, but never actually built the countertop to accept it.

Any suggestions? What material would be the easiest to work with? How is the opening constructed so that we can guarantee a sealed fit?

Any suggestions would be greatly appreciated. Thanks!

Re: Building countertop for undermount sink

What does the customer want the counter top to be made of? Do they want a laminate, wood, concrete, etc? If it is laminate that they want then I would say an under-mount sink would be a bad idea. Having water splashing up all the time onto the laminate will most likely get behind and into the particle board substrate and then you would have a mess on your hands. If it is going to be wood you could do an under-mount you just need to make sure cut out is sealed well with say a spar varnish or epoxy. A little more info might be helpful so a clearer picture of what you are trying to accomplish is.


Re: Building countertop for undermount sink

The customer has left the material up to us to decide on. They do like a wood countertop.

Again, your input is greatly appreciated.

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