Advantages 3 g* c7 l4 A* X+ RVery durable in cold weather/ K H% @3 P5 D0 D' ^, v' \* i
High percentage of recycled material and are 100% recyclable U% g: K* x( w# [. \; i9 U
Disadvantages* V7 N# D) V1 T0 Q# t# O
Rusting (require maintenance to prevent corrosion); ]$ J3 ]4 c7 [3 c- F
Copper and lead roofs can be targeted by metal thieves 9 G% |. [' [! E) ZHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ; K7 j$ C& W" _/ @1 M$ r C5 oCellular and radio reception may be negatively impacted
Metal roof ?? ) P: T" N; c$ Y$ A: `1 xwhat's going to happen in a hail storm, will it be very loud ??? 8 y; B! a" ^6 D) U; d; k7 aSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ! _! f9 e; F* g
Metal roof ?? ; V1 J. q* s$ k% Y( `what's going to happen in a hail storm, will it be very loud ???2 _: ?0 P, G9 X9 `
Summer raining seas ...
icing 发表于 2014-6-7 22:36 % u+ B: e* h8 y+ X# p. U1 d
Metal roof ??' O& O d* d" P
what's going to happen in a hail storm, will it be very loud ???, B* E7 X) j( L
Summer raining seas ...
3 |* i k. H$ E( c! Y
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.