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 H( O1 u1 {1 K6 D+ x一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
  ]+ p0 h$ Y# ~; ~  qR22是什么工艺？
/ I5 W$ K' s# I% c
一般如果是 Acrylic Stucco 外墙是R28

$ m0 Z: y' k; T, S0 [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

$5/sf就升级2？毫无意义。
' S- s/ T' o: c! A0 C5 ]$ q2 z0 J
  J6 Z- ~% Z9 g) M; f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
! F4 J1 l2 l) z1 z& Q0 O, {! G$5/sf就升级2？毫无意义。

查查你的窗户玻璃 R value 就知道了。

+ S1 b! _; h( }& y" J' g' @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
# `9 V- s/ M8 h7 T8 |- Z0 @" e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 Y  d8 V5 V) {) `6 }Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
4 \2 E3 g; i' A- [" J+ P4 L9 ^Tri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
' W5 p( F/ N2 @& D) 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%
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%