I purchased standard cabinets (no plywood box) including a 33" farmhouse sink cabinet. I found a farmhouse sink I'd like to install and it's about 150lbs. (30" sink).

There is no weight rating on the cabinet I purchased, and the store I bought the cabinet from doesn't know how much weight it can hold. Should I reinforce the cabinet? Or should it be able to hold the weight?

  • 3
    You also need to factor in how much water the sink will hold (1L of water = 1kg)
    – Steven
    Jun 28, 2012 at 13:40

1 Answer 1


I would recommend calling the cabinet manufacturer. They have almost assuredly done load tests to see how much weight their cabinets can carry before failing.

  • I emailed them and they told me to call the sink manufacturer for "installation instructions". Big help there...
    – Ovi Tisler
    Jun 29, 2012 at 12:44

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