 鲜花( 53)  鸡蛋( 0)
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9 Q1 [0 M. G( L3 z7 Z- z: x' Z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:9 M* P4 i- D: K$ v
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
% P! H/ R/ u% U2. supporting beams are a bit too far away from each other.
. g3 o. ~. R- Q3. supporting beams are not level due to earth settlement.( d! L/ o- E2 x0 c! ?% t. d ~* u' T
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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.+ L: s; q- B! X# o+ {5 o# c8 w! V3 e
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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