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？
3 @. I2 _2 _" s+ b) Z; o. h* z
! x3 Z7 l, n. Z/ w4 t# Y一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
- b8 _- n$ \8 Y" |8 CR22是什么工艺？
* s2 J$ u* [; v" W$ S) e# C
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

$5/sf就升级2？毫无意义。
0 P$ G0 p( g1 ]% h  C; m
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
0 a' t* B# {9 d$5/sf就升级2？毫无意义。

) [/ S0 c" H8 g4 D# ]3 B查查你的窗户玻璃 R value 就知道了。

/ q- Z0 k4 u& z; Z5 n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
6 V; s/ s% j% O# M8 C0 M: z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%
Tri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
& Q3 M% N( f* c4 p6 o) O% WHS1A 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%
2 ?/ N" u/ V$ X0 `HS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
, D; o4 y# P2 C- v6 vHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
( g! _# N3 u4 t7 O' a  u# rHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%