 鲜花( 3)  鸡蛋( 0)
|
shao 发表于 2014-4-4 19:53 2 n% n- a) C* g9 d# g
外墙应该没有几十尺吧
9 @& M: [+ E; p2 u+ |5 `yes. say you have unit 33x30 FT for (990SqFt).
& C; w; t, e, B4 \outside wall areas1 o$ U; t! X5 {
33+30 FT outside wall could be anywhere 0.5FT (6" exterior wall width)x63 FT=31.5SqFt or 0.67 FT (sometimes lower floor has 8" exterior wall) x 63FT= 42.21SqFt.
9 f5 M: H& O; L1 y2 _interior wall area (Party wall and corridor wall) / K- h+ ?, A6 i; {
0.33FT (4" wall) x 63FT = 21SqFt or 0.5 FT x 63 FT=31.5 SqFt.0 f1 a1 t8 S, f% H5 @" N: }: U6 q% f
add both together, 50SqFt to over 70SqFt- j4 y, ]" I( h5 r% d
. }& \% Q6 n* t. _6 F8 C1 Dfor single house, say 1800SqFt (main floor 24x26=624SqFt + second floor 24x50=1200SqFt)- X* F2 a4 U; |* r: c
your exterior wall area will be 0.5x(24+26)x2=50 SqFt for main floor. 0.5x(24+50)x2=74SqFt for second.
/ l7 ]. K4 z, O+ v6 D
$ X. T7 b8 V3 w' r |
|