 鲜花( 53)  鸡蛋( 0)
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& q5 T& p5 C# T3 x' p5 T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:3 m; u2 d$ l# c. b2 u2 q/ y# ~* B
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.5 m( }# T: F5 g! S! ~
2. supporting beams are a bit too far away from each other.
7 c& G* m! d. ^- o) i# ]& T, r3. supporting beams are not level due to earth settlement.
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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.- t9 P5 K" p4 A7 X$ n
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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