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？
6 Z6 r& s, m0 c
: l+ `3 j; w# N( ?+ {% G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？

& J7 P% q! V, f一般如果是 Acrylic Stucco 外墙是R28

; i; N9 N8 c6 L/ ]4 H/ J0 x2 ZR-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。
/ [' K: M1 u2 i7 ]7 n
2 @# H3 c3 w9 {( P" U2 k2 i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。

! x" V- N5 G; W& _0 c2 y; P查查你的窗户玻璃 R value 就知道了。

: q7 B+ |) c6 U# y$ f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
6 Q9 f- g! t7 X+ {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%
Tri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
$ k4 `" |" U) M! b& o" t6 lHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
0 D3 {* X0 ^8 n9 ?7 l: U' pHS2A 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%
! X3 V) p# B" `4 q( \/ }6 }HS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
) i0 Y5 @' n! L, \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%