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？

( _) T9 ^+ J8 I& j; W6 D: C一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
$ J' r+ m" X( g6 o) \  OR22是什么工艺？
! l* p9 m  m9 w% ], H- l6 O& B
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
$5/sf就升级2？毫无意义。

, ]! Z$ ?5 @# [- R& h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 c5 e: s# V/ [' ~5 _7 `# {3 N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%
$ J( ^  W/ c$ R8 K4 ETri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
' f: S6 [  x1 i3 x+ `8 vHS1A 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%
, F1 m2 I. ^/ e8 [  ~7 k( N! iHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
9 U8 L8 @4 Q/ \: @) z7 A4 e0 t% AHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
* L! E+ C4 z9 `  v8 a( OHS5A 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%