 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:
5 m2 x! z+ @2 k4 w/ J" J1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.* X4 @) T$ C- [4 P* ^4 M/ I' J
2. supporting beams are a bit too far away from each other.1 m4 I( A. q8 A3 C' J6 j* c
3. supporting beams are not level due to earth settlement.
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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.; J1 g7 _: r4 A. L; W
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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