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+ N& K( V5 ]8 x9 x) [
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
2 r/ A* ?/ k/ @  v2 }R22是什么工艺？

+ X( ?3 [5 S/ z/ h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。

3 s  m7 }1 O4 Z5 \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
1 {# b8 u0 b/ P9 d$5/sf就升级2？毫无意义。

, p" j! t5 p5 [& ]. m查查你的窗户玻璃 R value 就知道了。

7 c+ ^; J5 E1 S/ B+ ~! \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。

9 b2 l8 b4 H$ @5 V  Y$ k% [8 xTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
$ \% @  N7 }1 S6 t$ m! {* W8 gTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
HS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
6 m! Q  F, d1 h' }8 S( pHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
1 h, o( V: g( Y2 I2 `. j, dHS3A 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%
HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%