 鲜花( 53)  鸡蛋( 0)
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4 e0 H7 Z! u! X+ k0 S& F: m) _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:
7 n- o c7 T& P8 y7 B3 I4 C1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.0 e$ F/ _2 ]5 B. L1 i8 }9 W
2. supporting beams are a bit too far away from each other.! }8 H8 y: t! c+ k- V3 M8 B7 Z3 g
3. supporting beams are not level due to earth settlement.2 X! T# j8 D0 s# G* w# ~. V
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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.8 I, H/ p1 Q! T% k
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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