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
1 K; l: h1 V' ~6 }& W" eR22是什么工艺？
- M1 ^3 I" o/ N/ g% a3 s: U
( @* i( m5 D# c4 O; N% F一般如果是 Acrylic Stucco 外墙是R28

& c; I8 D/ z8 g! fR-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
. r! O5 Q& f8 d& `$ B. K8 t$5/sf就升级2？毫无意义。
: y9 U3 v" J1 K4 n! @( Y) J0 g
3 W$ i8 A7 V9 h9 W. g2 }( O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
9 @/ O( K/ D" I1 l; P& {6 m9 v你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

! p9 t" H( C. g1 u1 X8 j5 CTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
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%
HS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
+ {1 O- n! k# Y2 u! wHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
. _$ I+ g$ ^3 i1 C6 r( Q6 AHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
) @/ R# Q& Z/ x; M2 s  G. T6 p3 GHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
( d0 l/ `% g% q/ z1 k2 uHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%