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？

: m. v4 Z. k7 d# {一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
8 z' `/ F- j9 Z0 bR22是什么工艺？
0 G; y/ i/ j* ]7 n# a1 Q& O
* t2 `3 ^+ h6 j0 b; K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。
. \6 i( Y; g# E7 `1 |- d5 Z
) G5 x+ v" }+ h0 M( m  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
$5/sf就升级2？毫无意义。

9 J  i, {4 H! F查查你的窗户玻璃 R value 就知道了。

: C! Q  }8 W3 x# U8 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。

小黄

lu_guo 发表于 2013-10-14 20:58
你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

4 I' n, [/ k) b7 ?Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
9 M  z$ D/ K% s) S% l3 [9 |2 PTri 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%
/ }+ k$ Y. v2 Q$ c0 PHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
; z2 I! W3 t( [# eHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
5 q3 U% {1 v8 n8 G2 [0 mHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
/ \) f# C  m0 i( R# `: Y* R- N1 A, }7 tHS5A 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%