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？
8 ]4 j. u0 A' w' k4 U
( C) N+ d5 N* r/ O8 J- ^& p一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
0 z. E, D/ @  t3 x" xR22是什么工艺？

6 X# P5 X5 }; z一般如果是 Acrylic Stucco 外墙是R28

0 x3 A1 p0 k. x- C& BR-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。
: m# v3 K+ \, a# s
& D( e" o; i* s7 O7 K5 E  v" Y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
$ E6 I( w& x8 t2 {4 A( M$ k  ^9 a  J$5/sf就升级2？毫无意义。

: k- L- N: D, c( \, T1 U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。

- T0 Z6 j& t9 dTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
( [, S5 [/ K$ G  {9 m$ j, RTri 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%
# X( I, K5 B5 L/ M% k& _: iHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
/ [) ^% A' p4 H2 O. H& X! QHS3A 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%
4 l/ {& n6 p5 Q# T9 b9 h" a: z$ HHS5A 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%