Advantages ) q5 W( g0 K9 c2 u6 a/ @2 hVery durable in cold weather3 C6 O7 N J2 C. |, e }' b" T
High percentage of recycled material and are 100% recyclable a8 U2 v7 b+ C5 U: x) p6 ]Disadvantages 6 L( T# i7 O0 p# Z. C3 e4 \: NRusting (require maintenance to prevent corrosion) - u! S/ C ]5 ~, e7 k hCopper and lead roofs can be targeted by metal thieves ! p0 M+ o; G( E p$ r8 P8 N* PHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure+ x z( ^. V1 l% ~$ f8 I
Cellular and radio reception may be negatively impacted
Metal roof ?? 9 R) n1 ]1 o2 P& ^what's going to happen in a hail storm, will it be very loud ??? 9 c# s3 _8 U, N0 KSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 0 N) J. c, B; N$ x, L2 I
Metal roof ??9 ]! C3 Q; [, P6 t; i
what's going to happen in a hail storm, will it be very loud ??? - A, ]- @) W+ B( Y( vSummer raining seas ...
icing 发表于 2014-6-7 22:36 " T1 ]( u# ~# G3 \1 _4 k/ ~
Metal roof ?? 2 F( ]- w6 t4 zwhat's going to happen in a hail storm, will it be very loud ???( w* ]. f+ \$ d" H
Summer raining seas ...
7 p( i# j$ U2 }; t) F4 S+ L( c) N
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.