Advantages# y, M) _- O# {
Very durable in cold weather! T" y- g- Z5 I0 X) U
High percentage of recycled material and are 100% recyclable$ J3 B; G+ D6 u, E: Q& R
Disadvantages8 P3 ^" S3 x6 {1 d
Rusting (require maintenance to prevent corrosion) % z% i: p1 g5 E& T+ {/ O% qCopper and lead roofs can be targeted by metal thieves1 e, K( _; d v s; V# h/ _! F
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ) G P% e4 b' {3 q% OCellular and radio reception may be negatively impacted
Metal roof ?? Z7 X! y; Z! R s/ a4 C2 H2 b7 uwhat's going to happen in a hail storm, will it be very loud ???. n- C# N9 e. R) l" L) ^
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ( V; `: W& `1 x ]2 ~8 aMetal roof ?? " y% r( D' D1 d8 O& K2 i5 twhat's going to happen in a hail storm, will it be very loud ??? 6 q# c4 i$ R& f: n: H# USummer raining seas ...
icing 发表于 2014-6-7 22:36 & C* e) E) g9 e3 |! U/ D) m
Metal roof ?? 0 u2 T# d9 O* ewhat's going to happen in a hail storm, will it be very loud ??? / g. ^2 A3 M0 E9 o2 nSummer 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.