 鲜花( 53)  鸡蛋( 0)
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5# manyu ; p' {2 h* j8 a4 a8 v& l
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! N) L8 U5 n& U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:! k/ u! q8 y# l* [! p# z9 }
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.7 W* A& Q+ H4 ]: P) ^9 D9 N
2. supporting beams are a bit too far away from each other.4 u. C4 T7 j$ n5 N- N& ^
3. supporting beams are not level due to earth settlement., c8 z3 d& p& {
8 L8 w" @: ]' e3 _+ B' _For 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.3 P5 H' `- l8 k4 K8 J$ u; V
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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