 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:+ X0 b5 w2 e8 w( c9 r& f1 Z: O
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
& }' A' k* `9 m/ d+ ^6 t1 D2. supporting beams are a bit too far away from each other.
5 F$ f) \% }# t/ y* z! p% q3. supporting beams are not level due to earth settlement.5 H% b0 H' _, i# s9 J
/ T9 p4 Q) D2 } {* ^+ c4 c: K, VFor 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.
" p/ P! U7 |$ ]. jBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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