 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:% ]' y$ R" I ~' I. s+ i& t
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.3 v' r; @! A( E' |4 y; c
2. supporting beams are a bit too far away from each other.& }% e1 T; i0 k( [ c% i/ v
3. supporting beams are not level due to earth settlement.( v+ j N9 V& ]2 }- R4 z
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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. r% P) k+ V0 `1 h2 r) k' i' H
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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