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？
1 ], ~+ k/ T) u" B2 @9 A5 n
$ A/ V0 j6 c: U# N" b7 V2 i一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
; A1 j0 A" C2 w5 `0 l; L. p: v& ]/ JR22是什么工艺？
5 b6 X  S3 @3 l  ~. c( J4 I( g5 {
% _5 q" R! H" V# G3 D. V$ c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。

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。
- C: _" v& J& b# G* N5 f; U
查查你的窗户玻璃 R value 就知道了。

5 _' Z& o7 [) A5 t" X+ Y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
你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

; C& Z& ]. K- {7 _Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
Tri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
* E1 p4 @% e; \2 v" ~' ^& D7 WHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
HS2A 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%
4 ]* j0 j4 T1 i/ U. O6 h; sHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
9 M8 y1 t  s1 f8 ^HS5A 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%