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？
4 x; Q9 q* d4 d# A
2 N3 N* x; {8 H0 a& R! \/ X9 H( [一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
+ E7 ~1 Y' P8 S( Q, LR22是什么工艺？

/ o/ w6 o' |( v4 A8 h5 U, x4 `一般如果是 Acrylic Stucco 外墙是R28

( k5 z5 c% }$ h5 M9 W9 v% I. ?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 W' q- G% P) F0 ?# a
% o6 J0 v8 `& x0 z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。

1 d! Z) J4 K# u# \5 g2 l4 m查查你的窗户玻璃 R value 就知道了。

1 E# g: j1 r* c0 s+ v$ F4 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。

Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
; v' o+ ^; W" G5 F" B! a  x) t$ oTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
3 e2 s0 I/ z8 Y# H( H+ [: V/ ~! J1 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%
3 Z% P6 Z, u, YHS3A 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%
HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%