 鲜花( 53)  鸡蛋( 0)
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5# manyu
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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:
; U9 o m% y- X3 i" I: Y1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
% ^5 G- Z. |5 G) D" F. `7 @. E2. supporting beams are a bit too far away from each other.
" [& H7 n) R: r3. supporting beams are not level due to earth settlement.5 {0 Q5 t- }- i
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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.
2 T+ L* ` T: b9 }, d* 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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