 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:% E( o6 k5 E1 M Z4 W& z
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
# E7 }$ p" y* ]- S2. supporting beams are a bit too far away from each other.0 n( U, A* c+ T0 u4 h' h
3. supporting beams are not level due to earth settlement.) ^7 [, R: D( R! ^
0 e* j" f: H( f9 }8 W0 |$ ZFor 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.$ N1 b. E7 I. r. w
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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