Advantages 8 b7 T: p6 [ Q/ D! i+ c# }" ^% X @Very durable in cold weather- D6 ?9 N) V3 R4 K: D
High percentage of recycled material and are 100% recyclable ! B! j4 H% C* hDisadvantages ! z$ L) c1 C8 z5 }% {! }Rusting (require maintenance to prevent corrosion) ( M4 e$ K# d" z+ i8 H4 ?2 KCopper and lead roofs can be targeted by metal thieves w" }) ]7 p0 p* f- d. V' MHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 0 g2 O) l& t" V# yCellular and radio reception may be negatively impacted
Metal roof ?? 9 x6 ^$ q# [" q0 l, x3 i4 ~what's going to happen in a hail storm, will it be very loud ??? % N5 ?3 F' m) _8 ?, KSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 : T) I1 B/ S% mMetal roof ?? U; [0 e5 w T3 O$ n. uwhat's going to happen in a hail storm, will it be very loud ??? + U8 T$ _2 O! o- i \7 {$ JSummer raining seas ...
icing 发表于 2014-6-7 22:36 # k# B* u; _, D; ~' K
Metal roof ??0 d, N, ]& X- E; S$ c2 l# i
what's going to happen in a hail storm, will it be very loud ??? # L: `; a* J# A" ~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.