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？
# ?! h8 h: F1 D. Q+ N; {. {  P; E
一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
2 v: B! V0 \* e7 j0 K2 u% Q% uR22是什么工艺？
  Y7 `* Z; b) e" ~
: _! t& P2 f, E! Z3 v一般如果是 Acrylic Stucco 外墙是R28

8 n7 n3 g* y) D  L& \: g7 rR-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。
" o& H; \! t+ E
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
% |% [% a: C( Q  }( R$5/sf就升级2？毫无意义。

查查你的窗户玻璃 R value 就知道了。

* m2 ]9 A' Q0 t4 s( }2 Q4 b7 `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。

: \; c, `- l7 {' ETriple 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%
HS1A 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%
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%
" s/ y5 E/ h% `0 l7 d/ M4 P; t  r6 WHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
0 g# S8 R2 ?3 R  x* X& bHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%