 鲜花( 53)  鸡蛋( 0)
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5# manyu
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找回以前的貼子,對我來說也不容易,還是簡單再說一遍好了 Possible causes are:+ X# T7 r5 U) x& q* b4 [
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.2 t# }4 W Y T& L) q' I6 _1 p
2. supporting beams are a bit too far away from each other.
! m: I7 Q+ b( m; @& W8 L- d& K3. supporting beams are not level due to earth settlement.
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' K( `! ~1 w: C' \4 a! F+ K3 Z- fFor 2, you may need someone with engineering knowledge to find out, but there should be a building code governing the span distance. For 3, you can go down the basement to do a visual check yourself.: [+ r* @( U- G! h+ F/ R1 l
But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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