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pennyround

Cast iron sink in particle board countertops?

Anna M
5 years ago

Trying to think this through before finalizing purchases... Will this combination require special counter reinforcement? I’m confident the base cabinet can support the weight of the sink/countertop, but concerned the countertop could bow across the 39” span of the sink base cabinet.


> 39”W sink base cabinet

> 1-1/2“ thick veneered particle board counter (Ikea Karlby)

> 112lb, 33”W drop-in cast iron sink


Cabinet specs say check with sink manufacturer... Sink manufacturer says the weight would be ok on a *laminate* countertop with a standard sink base - but is the sink manufacturer (CS rep, actually) really the best person to answer this question? And finally, the Ikea Karlby specs are of course vague and mention nothing about sink weight, cutout size, span, etc (though it does mention that a >10” overhang requires support every 36”, I think). I’m not sure a call to Ikea will result in much more insight than what can be gleaned from the specs and installation docs.




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