Advantages . R' H2 Z$ T& D2 u; R, X8 CVery durable in cold weather, r& \% V- A" ~; t
High percentage of recycled material and are 100% recyclable* P4 R! A: t6 {. n! H* t
Disadvantages. O0 P+ c1 Y v# e( ~
Rusting (require maintenance to prevent corrosion)& z- H& @7 u8 z2 R
Copper and lead roofs can be targeted by metal thieves7 e0 h' U' h0 l" c, c7 l
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure, s6 C, q6 T2 m# s
Cellular and radio reception may be negatively impacted
Metal roof ?? 5 g% G% u1 ~- N2 F0 dwhat's going to happen in a hail storm, will it be very loud ??? 4 l1 @) _8 j: Z+ o7 xSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 6 _8 `% a/ b6 e' jMetal roof ?? 9 B5 _. f. M$ i. ~what's going to happen in a hail storm, will it be very loud ???2 |% W% G$ T/ R6 a1 T9 M
Summer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.