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？
) B# K4 {7 ?! n
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
+ N+ C; i8 _/ ]R22是什么工艺？

, p) l+ B* G. q/ r6 k一般如果是 Acrylic Stucco 外墙是R28

/ [) |+ c7 x) C5 K" s+ aR-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。
2 b" {8 F% c; y- Z  Z* I0 ^* _, z, s1 `+ a
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。

查查你的窗户玻璃 R value 就知道了。

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
8 t# [# p: `; f* k) g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%
2 K+ }9 }! i( F& r/ eTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
- t8 F; S& m+ O0 V6 M; W; SHS1A 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%
+ F' u7 x0 U" f6 J% \2 H  C; {) }HS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
HS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
HS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
7 n" D5 _3 }( oHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%