 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:
! r* Z+ |9 i4 Y( X- {1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
0 ?! Q2 {8 r; `0 h8 } ~2. supporting beams are a bit too far away from each other.
, V; c1 I1 c; J& A+ `( A3. supporting beams are not level due to earth settlement.7 I2 k: E" ?5 X+ }8 e
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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.- n2 j3 d I% m5 h# B: S
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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