 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:& @) o! }' ^7 A* h# f+ V& V" v, V
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.1 J% r1 P( j0 s. Z
2. supporting beams are a bit too far away from each other.
, Q; ^. t' g" @( Y% m0 h9 x. { h3. supporting beams are not level due to earth settlement.3 t8 Z6 R3 B Z" W2 ?: c. `
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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. d) {& m u9 n4 D ^! 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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