有人试过最近广告中推销铝合金屋顶的吗？

gstudy

有人试过最近广告中推销铝合金屋顶的吗？
http://www.albertasbestroof.com/

cyz0116

kktam

知道。

小黄

据说非常不好

K歌

被风掀下一块可以杀人于无形。风大的地区应该不好不适合。还有金属导热快，冬冷夏热是免不了的，夏天万一要上roof维修还有烫伤的危险，夏天摸摸你的车子。遇上雷电那就更过瘾了。
6 i9 H: }9 n- X$ K4 B
看看下面wiki的解析

K歌

Advantages
Very durable in cold weather
8 C. S3 P# K9 |7 F% _* yHigh percentage of recycled material and are 100% recyclable
Disadvantages
2 G5 \+ k* v- K5 T2 p& W5 Q7 HRusting (require maintenance to prevent corrosion)
Copper and lead roofs can be targeted by metal thieves
! D5 D: U; I* V8 t# l' W/ RHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure
5 u3 L. i& `! pCellular and radio reception may be negatively impacted

gstudy

K歌 发表于 2014-6-7 12:08
被风掀下一块可以杀人于无形。风大的地区应该不好不适合。还有金属导热快，冬冷夏热是免不了的，夏天万一要 ...

谢谢！很专业。

icing

Metal roof ??
0 l8 w# n3 ~" `% \0 ]what's going to happen in a hail storm, will it be very loud ???
8 Y6 H2 V1 D/ X( jSummer raining season, if it rains in night, people can sleep well ???

小黄

gstudy 发表于 2014-6-7 12:00
谢谢！很专业。

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小黄

icing 发表于 2014-6-7 21:36
- g7 U; I6 r& Z8 d: ]- Z8 JMetal roof ??
; G! W% j9 R6 s* [; }" t2 [what's going to happen in a hail storm, will it be very loud ???
$ h7 E# X, D. R% H/ L) w4 z- eSummer raining seas ...

4 ^, a. B" u- z- ~) S* P% A不会。

kktam

據說很好可以延長屋頂使用時間，就是貴。

gstudy

icing 发表于 2014-6-7 22:36
Metal roof ??
$ z3 I' Z, f/ y( T/ ewhat's going to happen in a hail storm, will it be very loud ???
$ c3 V) l- R1 N4 ASummer raining seas ...

that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.