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？

一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
. T$ `+ s2 [  ~5 m' FR22是什么工艺？
, Z6 t% p7 {, a! {! o' w
, E, }8 U9 P8 R) D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
: A+ U7 S5 n% J. T5 H$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
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%
  h$ u5 ?9 s" u, |! R  H: s& b& mTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
+ N$ v( T% L# t/ THS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
/ h7 k5 ^, J/ aHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
: r1 Z, [8 X8 R4 ?6 k3 U9 r* _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%
% q% n8 a7 d0 G+ f. C9 lHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%