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？
2 f. G3 u# C$ n/ k0 x
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
2 D, w/ q8 z# p0 m. W* h5 e# ]: ]R22是什么工艺？
5 _) p. g- i% S
. N( a0 p7 e- {4 x) z% Q  @1 e一般如果是 Acrylic Stucco 外墙是R28

* l/ h5 l; t- A5 v2 J4 R; lR-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。

* z- V6 K# l, f" |- W% y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
/ M9 K8 V2 H! Y: Y# ?, Y$5/sf就升级2？毫无意义。

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
' |# n5 I* @) a0 W你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
+ ^* Y5 Q9 C2 k8 V; TTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
% C8 T5 b* x( ]4 [, u) U# T- ~; Q4 UHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
; }" j5 p1 y) K2 gHS2A 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%
" E, [5 F& B+ O+ X: kHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
' ~5 P4 D# i, P# [HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%