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 M2 V1 z9 w" A5 c/ ^7 v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？
$ d1 O( u5 ~; @
% s9 V; f8 s( l7 I2 I3 T  \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。

# N+ G0 w0 }0 ^4 N" E0 _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。
8 s- g& m( T. f
$ R1 x3 G2 r: ]0 {* p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
3 G, G( b. G& [! U1 ?7 y% z! m9 D5 c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%
6 R, p, H1 i" BTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
4 r% f' x) z5 J; q2 Y7 D' SHS1A 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%
& v' B# s- A" R4 T: K/ yHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
# k& B5 y  F# \2 I( a( ~# `HS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
5 I& W6 O) H; p9 THS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
# ^4 _+ |& o$ i" ]: d# Q2 \5 JHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%