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floor will be 4" thick, backfield with sand as they say it compacts better
sand does not compact, it just moves away and looks like its compacting. for a shop with mostly for static loads it should be okay, gravel would be better though.
are there footing? or just the slab on grade?
not planning on any stamping presses are you?
05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter
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