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？
5 V9 R$ R" n; ^' ]1 l' \
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
( t. }' v  B7 k- K0 r; pR22是什么工艺？
9 \6 H( Z# V1 x& t7 D8 }
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。

9 d% D% A- D( k8 L/ N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
  z: G' a) c1 w$5/sf就升级2？毫无意义。
. \) a2 `$ Q! @+ c
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
# A# q; Y9 W2 Y: m' g) Z$ C9 u你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

; _( A7 W8 V$ f. i- u9 iTriple 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%
5 M5 I4 W5 R& a1 I/ x( H: \( eHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
7 e0 {: F: u) c  GHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
7 r  V$ g8 Z1 i# g5 n( ~2 @6 RHS3A 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%
HS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
/ u/ Z# f9 q; C6 t, F$ }HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%