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？

( o! Y9 V$ K- M. b一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
0 u0 K& o3 W# y( w; CR22是什么工艺？

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。

+ b" I8 X9 W' `* v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
' f' X% a. R4 T$5/sf就升级2？毫无意义。

查查你的窗户玻璃 R value 就知道了。

" X6 v/ n1 M3 X/ [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。

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%
. \& d* y9 o7 y) MHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
0 {+ }+ M+ l( o0 |1 z& f) a; OHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
4 g( O" h. H" D$ e7 g1 `HS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
- R; s- l. ~% m- gHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
6 o; y+ j: C$ p: w$ e7 uHS5A 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%