 鲜花( 53)  鸡蛋( 0)
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. a- U: o- O/ s& A- u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:$ H- Z& {2 p7 K8 i
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
6 T7 X8 h0 V, V+ I2. supporting beams are a bit too far away from each other.
J! R8 r# _; `. i3. supporting beams are not level due to earth settlement.' s8 L# {# d* U# f* v' y& i" D
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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.. J5 B0 d( e% V" l# Z0 h! G
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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