 鲜花( 53)  鸡蛋( 0)
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5# manyu " f4 ]0 u- S/ L% d. n
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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:
+ O8 o" d8 D4 }0 S# b. o( t1 @0 H" l1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.$ B& F" Z" x0 _
2. supporting beams are a bit too far away from each other.
* G. J# c/ g W0 w2 J' h& B3. supporting beams are not level due to earth settlement.3 D' b9 n* H! w7 h
& N+ d1 h, T3 sFor 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.4 Z3 _9 Q+ O3 M3 O7 b5 c4 r
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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