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？

. f% ~3 k) m7 h# O1 p" j+ B一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
' Y  [5 R& j: F' O, m3 dR22是什么工艺？

3 {, M# R) C0 s& o) F; L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。
/ G0 Z  o  d2 p+ j) o  |, x6 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
" b: G, \* ?2 p$ s( u$ ?/ ]$5/sf就升级2？毫无意义。

查查你的窗户玻璃 R value 就知道了。

6 s. E- p+ J4 p. v( t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。

6 A3 ~# h( o- R/ |8 ]  K! TTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
) r/ `: z* ^( P6 B: 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%
/ s2 ?+ b& J! QHS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
" C/ T/ }, n8 k: S' V1 t  c+ z0 JHS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
4 T" ?. F; L2 n! i0 V) W+ o. _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%
0 o- M" s% f! U' T' }HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%