Advantages( L! N: y- |% n: Q0 e# |* _, G" }, m
Very durable in cold weather 9 ^- y5 R- P+ D6 Z) }. Q: `6 EHigh percentage of recycled material and are 100% recyclable n# n% d" l8 `Disadvantages# [- H, d2 `/ |* i4 M6 \- h0 c; D# S
Rusting (require maintenance to prevent corrosion) 2 R/ m* P0 I D# n& `Copper and lead roofs can be targeted by metal thieves! f; k* r& R/ R0 ~( ?
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure+ q0 X) a! d$ j
Cellular and radio reception may be negatively impacted
Metal roof ??. ?- {# H7 O5 ]( O' O. |* K
what's going to happen in a hail storm, will it be very loud ??? 6 [- \( U# d; v4 e5 O$ ?# XSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * D4 b9 [ E9 \# s: x* w, F1 iMetal roof ?? 5 h' `; _) X) T* P0 [what's going to happen in a hail storm, will it be very loud ???0 L5 `- X' z; f; m
Summer raining seas ...
icing 发表于 2014-6-7 22:36 0 Z% ^( C! p' d6 O
Metal roof ?? / V1 A- W) x3 uwhat's going to happen in a hail storm, will it be very loud ??? 2 [8 q S" o" W7 l0 H0 e6 sSummer 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.