 鲜花( 53)  鸡蛋( 0)
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5# manyu
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6 V d. i( B4 C4 C: \& _; y, n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:6 p" \1 B. I: h3 M/ l+ O0 B) Z
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
4 x3 q) H5 e- i `: P2. supporting beams are a bit too far away from each other.
/ [2 z; K W) Q2 m Q3. supporting beams are not level due to earth settlement.% t" }! q. b, T) t2 d
/ c; ~; h% y6 E+ ~# oFor 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.
( v) {) Q4 b% }- RBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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