That is realated to subcontract,not builder. ) H0 k6 l. m0 E$ } * _9 y% t* |, _3 G3 W! U( I$ V3 NLost of builders use subcontract to do floor like albeta hardwood,ashley flr .... 2 _6 K V* r% l! x: O4 n- } - W7 D+ ~7 Z Z6 {* i/ t. RQuantity depends on subcontract.