 鲜花( 53)  鸡蛋( 0)
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5# manyu
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5 S+ [3 u. X& }! y! A# G- 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:
0 \& y; ^9 }' c2 z, K7 b3 ]3 T1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.$ X, q1 t0 C5 N+ A7 R
2. supporting beams are a bit too far away from each other.
, L- U) O) Q3 g6 A3. supporting beams are not level due to earth settlement.) h+ Y! T0 J) g; e( `5 S! m+ y/ F9 V
, r; D. v( C/ pFor 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# c2 U. X1 c3 pBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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