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？

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？

一般如果是 Acrylic Stucco 外墙是R28

6 F. F# k% m- R$ \6 l9 t& TR-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。
! r+ R+ \! M  W+ J" }4 }& }( O
& Z0 }- Q/ l2 q& F* H! L/ K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
" k5 d4 N3 `- X/ K1 H8 g" F; D$5/sf就升级2？毫无意义。

0 Q( D. J5 E. g) C0 g1 x: G查查你的窗户玻璃 R value 就知道了。

, ]3 t! C" H. k! ^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
! k+ R2 I% ^& Y, ^你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
& P* ~6 k7 T" T8 [9 |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%
- |! Y3 Z0 c0 o  @HS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
/ D) U; Z2 R+ s. ]HS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
# A1 {0 [8 m! qHS4A 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%
7 a, B4 E4 [  G, Z6 n- t7 J$ A# C) n+ hHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%