 鲜花( 53)  鸡蛋( 0)
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5# manyu / R$ ^" q: l3 h! w2 d! z0 U
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) j3 R, e! k5 c5 r3 l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:
% l2 N, Z0 Q) N$ l1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.3 J; k# A L& s6 n' x
2. supporting beams are a bit too far away from each other.
1 @* r7 h+ P& D3 j3 |1 [ Y3. supporting beams are not level due to earth settlement.
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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.
, M' m' T) j. T) JBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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