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

  i* ~9 S3 U$ I" c9 l" K+ J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。
2 C  X3 g* @* m" `. r$ H4 X, L
3 b& k/ q8 a8 u: K7 A看看下面wiki的解析

K歌

Advantages
Very durable in cold weather
% o* h+ N% a% x) M* o% ZHigh percentage of recycled material and are 100% recyclable
Disadvantages
) L. M; l3 b1 K$ b2 x  ]* b8 a& r' @Rusting (require maintenance to prevent corrosion)
) ]4 q3 J  S* }# `% ?* xCopper and lead roofs can be targeted by metal thieves
& B* X/ A/ w8 aHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure
5 }* g4 F+ i& k. d3 VCellular 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 ...

0 a  B9 ^* g3 e/ |! x) t2 ^谢谢！很专业。

icing

Metal roof ??
what's going to happen in a hail storm, will it be very loud ???
5 t# I, @& t) T6 ^( x4 r* R, R5 oSummer raining season, if it rains in night, people can sleep well ???

小黄

gstudy 发表于 2014-6-7 12:00
% p  @4 Z2 E% U: b谢谢！很专业。

& F' |& k. v) h9 b) m! _

小黄

icing 发表于 2014-6-7 21:36
3 J& N. @; _9 q4 R9 z' Y2 XMetal roof ??
5 W, L; `  i" @9 K% mwhat's going to happen in a hail storm, will it be very loud ???
7 Z% p2 @" M' n. nSummer raining seas ...

. Q  h0 |% k2 s1 @( P6 \; U4 q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 ??
8 W# A0 v. U1 L- Wwhat's going to happen in a hail storm, will it be very loud ???
* D2 J( ^- [$ L2 Y# VSummer 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.