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？
! O2 o) V# s) z
! R7 T$ P8 Z6 V$ \# x一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
5 ?  r$ m( U* w( xR22是什么工艺？

4 O5 {  O, A9 j: P一般如果是 Acrylic Stucco 外墙是R28

2 r/ q) O7 v  gR-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
3 o% q: p8 a. Z8 y3 V' b$5/sf就升级2？毫无意义。

# [3 Z9 f+ ]  N1 T, t查查你的窗户玻璃 R value 就知道了。

3 T: {" J: _% Y) ?$ V, B4 r1 ]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。

: q' [2 w3 A  l* T& hTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
# v* Y9 |5 a# q6 R& cTri 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%
3 D' n& a# @. F3 h6 }/ N# ~HS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
1 c7 l) ^: `* Q' c( y! [2 |) w) K. gHS4A 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%