Steel beams hold this countertop?
these are 10' 9" beams with 7' 9" floating
2x2 14guage tubular stainless steel
a 24" wide 3cm granite top is planned sit on this
each side will have supporting 2x4 bases
from what i could find, granite is 18lb/sqft
with this are being approx 16sqft
weight is assumed to be then 288lbs ?
From what i could find only a 2x2 16guage has a beam load of 513 lbs