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？
( k/ k$ I2 c% Y+ [& T: T
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
" r/ M3 ^, U+ D7 }; c4 j$ sR22是什么工艺？

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。
* v8 a4 _* s5 F' K
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
& w1 A6 O0 B0 x* e) T$5/sf就升级2？毫无意义。

9 d+ o; I. K" N6 T' q  E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
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 X1 o$ f. e! C3 `" r' G: `Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
% h, b- G. F; rTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
. z0 u% ~; M& g6 E( {9 mHS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
2 o( U9 N( {5 K4 H; E0 H. t" uHS2A 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%
6 n( Q) U9 U. J; s* G4 z6 UHS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
( ?& F' _$ j  r- z! tHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
  o2 g4 w$ A# r  ^  r, q6 b8 Z! p. kHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%