 鲜花( 53)  鸡蛋( 0)
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5# manyu 3 x5 d7 n/ O( q; K1 E
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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:
* M0 @- F9 E6 r1 V" d7 H! f1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.3 d- K# g0 u) o: ^0 u
2. supporting beams are a bit too far away from each other.
T3 [ A4 P5 e1 ?/ U: I. ?3. supporting beams are not level due to earth settlement.
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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 O8 y# ?9 `. r) C" a! p4 @+ \2 XBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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