 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:* j3 ~2 c" s7 D5 X; h) m
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
- }; Y; [9 v y* W, m! h6 G* o, y2. supporting beams are a bit too far away from each other.
0 p {0 m3 H' }8 W3. supporting beams are not level due to earth settlement.
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0 @; x m X3 S. w: _* K6 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.8 X7 M- F$ k! h% G: M5 Z- l) 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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