Thanks for asking. i think its a good question. From the initial pic below,it looks like normal wood support. I had not check the final mounting base yet. Something for me to investigate
Standard water stains which can easily remove and no rust So far no "pop" when using the hot water from Benington multipoint heater. Havent try boiling water though.
Thank you all for the poison and i had acquired a Farmhouse Apron 33" Sink! haha... The package had some abrasion But the packing inside is solid thus item is well protected UserGuide Solid sink