 鲜花( 53)  鸡蛋( 0)
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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:
$ `8 F! d! E5 J1 m; P* e: c1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
" d3 S: A0 m. K7 R; n0 L% l- K% R2. supporting beams are a bit too far away from each other.
& s2 `$ s9 k/ ~" V3. supporting beams are not level due to earth settlement.
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. ^8 S, b# ~1 b) b" Q+ bFor 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.
: h/ |9 ]- R+ B2 jBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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