Advantages4 n% g3 x+ l4 r
Very durable in cold weather . m/ S% q+ L5 W4 j* U7 P, a4 CHigh percentage of recycled material and are 100% recyclable) r% t! d0 t: E$ b1 V
Disadvantages4 V& u* H6 s9 _
Rusting (require maintenance to prevent corrosion) 6 F$ k0 B$ }; f: D4 X0 kCopper and lead roofs can be targeted by metal thieves , z$ E2 E2 M( g' `High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure" E% x% @/ ?, Y
Cellular and radio reception may be negatively impacted
Metal roof ?? ; A0 q% Y* z( }what's going to happen in a hail storm, will it be very loud ???1 `9 r f# P* C0 @/ O" X
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 5 o: ~7 _: l9 [4 n N# U
Metal roof ?? 1 Y, m; b( O: ]/ lwhat's going to happen in a hail storm, will it be very loud ???9 _, g8 {6 I* @8 z% I 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.