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？

( |6 e& Y' F, }8 W) e一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
R22是什么工艺？
) G% k8 ]8 }3 m# F! E5 M
& O6 }, X+ A/ J* x  k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。

9 d9 q+ X9 S* X4 Q, H  e# S& Q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。
+ j5 L& \2 \& Y1 m/ i2 d( s+ X
4 P* |7 d! h7 ]# s7 _6 t, F5 E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
2 m, O0 t7 Z9 b! p  K& q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%
HS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
3 K2 @# A7 B& V, U) hHS2A 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 b9 l9 S. E$ S* X' LHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
( |" w8 j6 h  C( K+ eHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
) J% r. {' c  V: V- UHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%