 鲜花( 53)  鸡蛋( 0)
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5# manyu 2 O! o1 H3 t& l; P, K% }0 P
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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:
6 S4 }/ Y [9 r% r1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
1 M. h* _. k e2 o* B2. supporting beams are a bit too far away from each other.$ B$ W; ?+ T% B) g0 u# m+ q
3. supporting beams are not level due to earth settlement.1 a' z. r% b% J* c2 m* D( W
* o% [# g* Z* _' H/ \( s dFor 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.
" f/ j1 s, i: A/ u XBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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