 鲜花( 53)  鸡蛋( 0)
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1 z5 X6 A6 e/ f* x) u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:( F4 Q8 g$ P) g; r7 U) Z3 p
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.9 x" T1 M3 a: L8 | b
2. supporting beams are a bit too far away from each other.
5 @5 i$ K G# G2 r1 o1 d% P: T3. supporting beams are not level due to earth settlement.0 K8 s1 g; }+ K. ?; C/ Y
o* W- x+ i5 j/ _; aFor 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.
/ h L: \5 V. l9 WBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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