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comercial kitchen

Question asked by fmomreno on Apr 27, 2017

I'm installing a comercial kitchen hood on a 2 storey house the wall on back on equipment is concrete foundation 2x4 studs( lumber) drywall and ceramic tile 1 hour fire rated  . on celling is wood joist floor covered with type c drywall and 1/2" cement board on bottom and above sub floor plywood and ceramic

what is need to get zero clearance