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？

一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
0 Q. o0 M. X( a8 uR22是什么工艺？
" S5 G1 l$ D: f+ y
& }+ A' P+ y3 L  x! `- Y( |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。

9 D+ A* n5 o) O5 `) [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。

, ?* L% H- Z& W8 o0 `8 g查查你的窗户玻璃 R value 就知道了。

5 b, A; T' z7 l2 h$ p5 j! ?% f3 ?# 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。

Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
5 J3 U/ q, ^  ~! H, E! uTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
' B: g: @/ M% D  y6 S( z  u& X) t& ]HS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
) u# P9 p- B/ V: SHS2A 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%
HS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
! k: l. U  ^' A' A$ ^, e# ~9 b7 {HS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%