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？
- \) q. G5 e1 q4 E( _- V
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？
2 u* e9 l9 \9 l" H/ Y! O
一般如果是 Acrylic Stucco 外墙是R28

1 [) _7 `$ F) j, Z" N- nR-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。
  `+ D9 R9 F2 |. Y& _3 }
. j/ J: k4 y' u4 L& r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
3 o. Q, Q& H6 O9 |$5/sf就升级2？毫无意义。

查查你的窗户玻璃 R value 就知道了。

+ k( y8 f2 Z( b) W! ]  r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
4 i! O! A, C0 j. x5 A你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

0 ^2 A( j& R7 O& l* nTriple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
# {) `' O" q2 R+ M/ T  uTri 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%
2 L* v! b/ C- s, S- ~8 JHS2A 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%
9 F8 S9 z1 U0 H5 h& R" EHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
) b* t8 R" h- P4 I0 dHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%