 鲜花( 53)  鸡蛋( 0)
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5# manyu
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2 D) E) C8 E- |/ f3 m f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:
( d2 w% h _0 r" A1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
; w% f- ?+ `% ~2. supporting beams are a bit too far away from each other.. ^6 {1 W( s `8 a: t" x W( H
3. supporting beams are not level due to earth settlement.2 z, P* _- a+ A) K4 a2 h3 Q
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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.
( R% r" U( k& K$ T: E, HBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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