Advantages : v l5 `9 ?3 FVery durable in cold weather% p' S+ M. m& z' c6 Q# p+ J# u/ K
High percentage of recycled material and are 100% recyclable+ m# {7 M2 P x4 k6 [
Disadvantages : m i% y- {: a; \Rusting (require maintenance to prevent corrosion) 4 E3 r" Z% ~/ r& `: kCopper and lead roofs can be targeted by metal thieves " b5 ]% l, t& t* RHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure, g; X" t* o; {9 f& l6 z
Cellular and radio reception may be negatively impacted
Metal roof ??& p( h7 \0 W4 J9 K4 d/ i, U
what's going to happen in a hail storm, will it be very loud ???4 [! g T/ v) D
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 . ]) t* b- m1 ]Metal roof ??. V# N! f+ V9 Q8 q$ w. w
what's going to happen in a hail storm, will it be very loud ???8 B# M! O" i1 Q6 r! i
Summer raining seas ...
icing 发表于 2014-6-7 22:36 v# {8 m: T2 m' U& I
Metal roof ?? , d. m+ w o" l4 ?1 W' e. \what's going to happen in a hail storm, will it be very loud ???7 h m/ G" Z1 ]/ o" } Z1 s$ r
Summer raining seas ...
$ H) Q* o; a1 e& Uthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.