 鲜花( 53)  鸡蛋( 0)
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5# manyu
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% \1 n6 [$ f5 n$ F7 U5 r8 _( D6 B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:
8 a" |; n P5 r1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
9 N0 ]' t% z0 ^7 A2. supporting beams are a bit too far away from each other.
9 |7 n$ C. ~* [* Y A7 w3. supporting beams are not level due to earth settlement.( o0 T- Y- @# f, M
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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.
6 L# E7 s8 G7 g/ dBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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