 鲜花( 53)  鸡蛋( 0)
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, a$ w) }6 ~5 K- o$ |& ^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:
6 F( y8 l3 J8 N' ?& }! T1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.* A+ h3 f6 | z; f- [# n
2. supporting beams are a bit too far away from each other.) f0 b4 v& P8 `* F! ?
3. supporting beams are not level due to earth settlement./ ^, A4 L; m% S% F3 a/ b W
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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.
& G8 ~, f$ _; [) J2 v4 ~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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