Advantages 0 j% a! v& ^0 j kVery durable in cold weather 3 @/ e$ w7 a6 l9 r: Q( d' pHigh percentage of recycled material and are 100% recyclable, ]( g' I0 a* f, F6 a
Disadvantages# U9 N1 t" O. F. g1 i8 ~
Rusting (require maintenance to prevent corrosion)! V: K( T# K0 t" m- H; ~: H
Copper and lead roofs can be targeted by metal thieves % q8 _! j; y# Y" N# THigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ! O) u1 ?8 i) b5 ?1 d7 gCellular and radio reception may be negatively impacted
Metal roof ??/ P& E; z8 s2 O# G
what's going to happen in a hail storm, will it be very loud ???$ E ~ `0 f, A- N
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 - ?+ V2 ^) N! d# A- z0 I. z) M6 n
Metal roof ?? ; ]. E1 w/ @$ P, O4 hwhat's going to happen in a hail storm, will it be very loud ???8 L: P" @1 L6 P) h [
Summer raining seas ...
icing 发表于 2014-6-7 22:36 7 y# p& i& t% `
Metal roof ??- H5 e. ]8 @8 I& U$ z% C
what's going to happen in a hail storm, will it be very loud ??? 8 K7 Z& _9 _- H+ i; ZSummer raining seas ...
+ k8 u* f& p9 J$ x5 m5 {( V' y# Lthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.