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？

9 I$ `1 j! n# h  a$ K5 a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？
4 E: q# K4 T7 |# P( k
9 D5 w0 W" p& _0 T& d" N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。
& R7 l: D! R' r) \9 U1 a# C
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
! N  D9 @6 Z5 V  V$5/sf就升级2？毫无意义。
2 T" U8 p( R: F
, o+ G* S1 T$ p; X! c/ N7 \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。

6 S' ~+ b( c, ]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%
HS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
7 S  G3 A$ ?0 H. O5 b: EHS3A 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%
, y" k) m0 ?. E* A. ]& _) NHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
+ s9 ?* o5 [2 m% a0 N' zHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%