 鲜花( 53)  鸡蛋( 0)
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5# manyu
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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:4 X- \( a# f( Q3 Q& `
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.7 E! b! j! U' S) I
2. supporting beams are a bit too far away from each other.
- i3 x1 \- C$ O, B, Y1 E3. supporting beams are not level due to earth settlement.( s! P. s: M% U" m- G. `
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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.
" A; _6 ?8 O7 c- Y; ~8 b* e7 WBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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