 鲜花( 53)  鸡蛋( 0)
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5# manyu
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2 N% m4 X, e/ ]! O3 g* H6 T0 L0 j4 Y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:
5 _" k1 H- M4 E ?2 G E1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
6 t. ]; f+ B) t$ ~2. supporting beams are a bit too far away from each other.
$ R3 Z5 u: t8 ^' ^2 t {* m3. supporting beams are not level due to earth settlement.
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* } a9 H; \; uFor 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.
$ B0 q! V2 ?, o( J4 {8 r, s3 iBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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