 鲜花( 53)  鸡蛋( 0)
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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:- _+ }9 h; Z* G# F8 r
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
4 P. O8 r1 i& R( i4 }+ N2. supporting beams are a bit too far away from each other.
. `+ |+ ~/ {4 `2 s f3. supporting beams are not level due to earth settlement., D7 R6 A) T7 f$ S& v9 m) a1 g* ~
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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.
$ E9 \3 } l9 ]) g! KBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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