 鲜花( 53)  鸡蛋( 0)
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5# manyu ( T1 e) [ d; z# X$ S: v- L$ N
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. V) x4 J: n" n$ X) ?! R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 }7 j- C1 m2 a0 t9 o- C& P1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.% C! S0 O! L4 ]6 N2 F- u
2. supporting beams are a bit too far away from each other., t( g& B) G% @" l" g6 N
3. supporting beams are not level due to earth settlement.: b7 W6 d$ C* ]1 m, R7 D) U
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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.& [) v/ {1 N9 s F+ u o
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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