你的房子外墙的保温R值是多少？

lu_guo

是不是R=12 是 minimum requirement？R = 20的情况还有没有必要上升成R=22？据说大概要5到6刀/平尺啊。

无语

真深奥。。。

ceramistpalace

The higher R value, the better.

小黄

R22是什么工艺？

一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
8 H# K* ^( z* [1 MR22是什么工艺？

2 r- k4 X4 X. f) t& G一般如果是 Acrylic Stucco 外墙是R28

R-20 fibreglass batt insulation to exterior walls. CGSB polyethylene vapour barrier. Basement foundation walls - R-12 fibreglass insulation c/w CGSB poly vapour barrier, ceiling to floor

小黄

$5/sf就升级2？毫无意义。

' b9 Y& X2 Z. S; R7 K! j  K查查你的窗户玻璃 R value 就知道了。

lu_guo

小黄 发表于 2013-10-14 21:51
$5/sf就升级2？毫无意义。
+ Y. b0 N1 z: S# n' O
% ?  D/ \: E- l1 o; P  x查查你的窗户玻璃 R value 就知道了。

) Q; x9 {8 F% }7 i你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

小黄

lu_guo 发表于 2013-10-14 20:58
' O- H. S6 E4 F4 H1 g+ m你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
& }. ~8 ^9 W$ u5 _Tri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
/ c3 A- A" a1 _& t4 UHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
% F# j1 b% o8 l! LHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
HS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
2 s& N; ~6 @& C1 v0 W4 P1 ], FHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
, h' ?3 v5 ~, G" |& eHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%