 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:
) d$ U- X7 P7 ], S" B# q1 E1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.' n, i. k; X5 |6 _ C
2. supporting beams are a bit too far away from each other.1 r; S4 d7 t7 q" G& p( H/ L
3. supporting beams are not level due to earth settlement.
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2 z. h: W3 n( b0 |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.
! J+ F' R( S; b* q1 r/ I' ^But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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