Advantages' r6 _0 L6 E; E6 d: V4 ]. `0 W
Very durable in cold weather3 e- y: a7 F8 t/ a; s9 V* r0 u
High percentage of recycled material and are 100% recyclable # ]6 D( u9 W8 E* e7 }9 RDisadvantages + F; w% k/ I6 S) K" `7 ORusting (require maintenance to prevent corrosion) . ]/ J; F6 y& iCopper and lead roofs can be targeted by metal thieves % r* I+ y' H; CHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure9 p u- l3 n) d4 B
Cellular and radio reception may be negatively impacted
Metal roof ?? 4 }; K* n3 `" j, z9 bwhat's going to happen in a hail storm, will it be very loud ??? # ?7 i$ T' N! O) U( U3 [Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 b: R) Q G( u4 ~Metal roof ??- v# c( U; w) v. ]. b* m) I
what's going to happen in a hail storm, will it be very loud ??? ( \1 Q9 N* E: M9 T$ S. D: y) ASummer 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.