 鲜花( 53)  鸡蛋( 0)
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5# manyu
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1 z4 @2 z0 {7 P+ I [' P, M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:
& t* F! G7 R M1 C: e; O1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
" U+ g; O% ~2 G& [2. supporting beams are a bit too far away from each other.
6 p8 E* @# g! O G7 t; y3. supporting beams are not level due to earth settlement.+ ?: D2 U+ w/ Y; d
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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.$ ]. ]6 E: b u
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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