 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:
+ H! [: F2 E$ u* W- X: J' P) {1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.4 D. U% J) [- @
2. supporting beams are a bit too far away from each other.
8 ` Y$ G* ^$ d; E7 y, v3. supporting beams are not level due to earth settlement.; A* q; p2 ?; |4 O! T4 f! B
; H' L' h& |5 A' w7 V0 ?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./ }: I* W5 w! J! @" D1 j
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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