Advantages# R3 M, {' q+ H. m% Y
Very durable in cold weather7 T/ ~+ K# q6 U: ]/ Q9 C0 [
High percentage of recycled material and are 100% recyclable+ ]' j& B" b) u+ k8 w/ e+ Z7 \0 p! N$ |
Disadvantages% X1 i! c, `! O% T
Rusting (require maintenance to prevent corrosion)! m9 ^% u9 j9 m8 K
Copper and lead roofs can be targeted by metal thieves+ ~: N1 q/ J& ~- z' H. `% `7 }
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure$ V+ k3 y- _2 i- m
Cellular and radio reception may be negatively impacted
Metal roof ?? 7 j: i9 _" O( V+ `5 s. u8 cwhat's going to happen in a hail storm, will it be very loud ??? . n( {8 [) E# u U$ BSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 . B5 O, k g& }! \Metal roof ?? 3 V8 {) E" @$ R4 _% R, jwhat's going to happen in a hail storm, will it be very loud ??? & X' f e! w& q" q& VSummer 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.