 鲜花( 53)  鸡蛋( 0)
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# M4 U/ c5 \2 v$ H. x( `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:, U' p2 {: `8 N! L! s
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.: Q% x. w6 [7 N/ k) P4 }+ Z
2. supporting beams are a bit too far away from each other.; H r1 G! M s
3. supporting beams are not level due to earth settlement.2 ?) o: m( m+ }0 _4 A' p
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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.
4 n; K! `2 [0 {- G- 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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