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
! ^( d3 M$ F( [; B$ z9 \* XR22是什么工艺？
. Q$ J* ~3 ], }( V. W
% W9 Q2 ?# z) V* o  E& B一般如果是 Acrylic Stucco 外墙是R28

0 W7 r# ?% u7 v1 g9 [! O* PR-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。
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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。

' ^6 b. y% r1 S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
' y& _. M% L7 ?' \- M# c+ V  R你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

3 U) r0 f8 E1 I0 O5 q+ ?/ W- vTriple 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%
9 a" E) O! S' {: _1 K0 JHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
% t: e$ r* T7 T% J* Z: [2 CHS2A 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%
, }* z5 v) z9 Z% @% z: JHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
) |' b4 [0 [) Y- |- r  JHS5A 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%