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？
" A: `% _0 J9 o+ r/ \2 e/ b7 n9 M9 z
. E+ X; w. N/ J, V& n3 P6 s. C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？

6 Y8 K- e- w) H0 l$ P/ T: l7 K一般如果是 Acrylic Stucco 外墙是R28

2 m& `1 q8 k1 h1 Q% O1 VR-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。
+ g3 M' n9 t; K8 ~  V8 i) S' b
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
  Q; n3 i# {0 i" {- b9 p6 X/ I6 n$5/sf就升级2？毫无意义。
4 k+ M9 T- t3 C, ?
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
! |3 w; q# a' {+ J7 h* n4 J你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

8 L* ^2 D8 [6 q7 s6 fTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
- }  A, w) F3 P; e6 m* V2 fTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
$ A' F6 w6 O7 V6 ?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%
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%
HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%