 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:: l/ m& E) @ N8 h5 }1 p7 F7 r
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.. L, Z! w" p: C2 {
2. supporting beams are a bit too far away from each other.6 e. D0 O/ P# |% v( S
3. supporting beams are not level due to earth settlement.
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1 ]( e$ ]$ ~ W% K5 h$ S' \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.
6 \3 S+ c& ^7 gBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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