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？

$ _: }6 z  t: B, ^一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
- {7 Z" {9 J. _% G1 xR22是什么工艺？
" d6 c& n8 [9 d5 U, D
一般如果是 Acrylic Stucco 外墙是R28

% `- G& O/ S2 y; N& M( cR-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。

& F* a) }( @' B- z! q2 _- |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
$5/sf就升级2？毫无意义。

查查你的窗户玻璃 R value 就知道了。

2 p5 p$ H8 A7 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。

小黄

lu_guo 发表于 2013-10-14 20:58
! c2 p; m) E3 ^你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

& F2 Y* m% r' E1 JTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
$ e1 A4 d7 K, e( x! |: ^Tri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
' L' R9 u: r% Y' }, x. j( ?HS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
! w% b& c: q2 K4 bHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
8 T4 W2 C! C. CHS3A 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%
9 w7 H7 \3 f, M. {+ lHS5A 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%