Advantages & R! \; X) U; B& U( i2 sVery durable in cold weather 2 w: h$ p( F$ b) MHigh percentage of recycled material and are 100% recyclable8 `+ E% u6 k$ g! n5 y3 _0 T
Disadvantages( {; t0 w/ P) X6 H1 j& A
Rusting (require maintenance to prevent corrosion)2 Y6 r$ Q+ Q# \& n
Copper and lead roofs can be targeted by metal thieves # y; I+ |/ c+ u7 @( n: DHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure : U( d# c4 E/ d- W2 eCellular and radio reception may be negatively impacted
Metal roof ??, B% s* q; c2 b0 X; v
what's going to happen in a hail storm, will it be very loud ???1 ^/ Z& W+ }8 q: \+ z
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 " [2 P7 K! w' {# \8 Z
Metal roof ?? # F! a/ \: a I. Xwhat's going to happen in a hail storm, will it be very loud ???9 \% J1 {- U/ d& p
Summer 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.