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 ~, E# T" S5 w
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？

( [2 @! ?: C4 J0 j一般如果是 Acrylic Stucco 外墙是R28

% N5 Z: s/ \9 d: r& X8 t1 ]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。

+ T+ y9 j3 N1 J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
$5/sf就升级2？毫无意义。
8 `& f& ]) S& L; }, m
' {$ H6 {5 Y# y+ N2 {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
7 [! b0 g( {' `4 O$ \你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

( }: K) l" K, ~% Q1 q) xTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
- L9 W/ r1 k: C6 bTri 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%
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%
! e4 j% N, Q+ A, c. cHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
+ A" F, N" \- g1 Z, x# k6 w; W( g" PHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%