 鲜花( 53)  鸡蛋( 0)
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5# manyu
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! k$ a: U% Y/ Y2 g7 h; Y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:: B' E( A5 D0 ?1 |" B. b
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.; R2 B4 m" \5 f4 C
2. supporting beams are a bit too far away from each other.4 k' u/ i& i' h8 r- r
3. supporting beams are not level due to earth settlement.9 z2 Z1 f( x; b: r
0 w O9 c3 _ T" f8 V) {0 P( kFor 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.
. H) L% X2 I6 v; ? F2 ], kBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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