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？
  B8 g; s/ q7 S: M( n) w8 R: ^
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？

* F6 F& R5 H% m$ [一般如果是 Acrylic Stucco 外墙是R28

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

$5/sf就升级2？毫无意义。
% w$ G" B3 e0 q) y+ x
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
# k6 P, G; S, ?5 f& ~7 @; ], J) [$5/sf就升级2？毫无意义。
7 ^! Q6 B: v- r0 M) C' [
查查你的窗户玻璃 R value 就知道了。

9 n$ m! x* E4 s, ?6 O+ b1 [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
4 k9 R9 b5 d! j$ }. Y, l你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

" l/ C3 y7 y$ y6 a% ETriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
8 o8 q1 b- }9 {0 O/ a  S5 oTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
( Y0 C; t. r+ ^4 u9 M! t6 }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%
! ~4 l( t5 A9 Y! f& aHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
4 x+ v: s6 c3 [; k( B. j, K% Z4 m) Z# _HS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
) O3 y: |; I5 g8 _$ V  Y9 }  a7 gHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%