Advantages / w* A% V3 H% T+ W! CVery durable in cold weather 2 L2 l7 G4 M9 Y% Y1 HHigh percentage of recycled material and are 100% recyclable! M3 R1 E' a4 c5 H7 ]. W8 `! P! a& @
Disadvantages/ p; h4 C: d* _4 x; X! T; r* I
Rusting (require maintenance to prevent corrosion)% B! S) d: \3 \* h; u& v
Copper and lead roofs can be targeted by metal thieves % |4 X7 v. L3 ~- BHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure# ]9 [4 E8 n6 ~
Cellular and radio reception may be negatively impacted
Metal roof ??9 ~; d! K, `+ u3 v0 i
what's going to happen in a hail storm, will it be very loud ??? / S( u6 Z; m* F C1 a/ L8 M# QSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 c/ B- o, G1 f7 {7 P7 B: I8 U
Metal roof ??2 N7 t- F( y8 A' q9 c7 ^1 Q
what's going to happen in a hail storm, will it be very loud ???# f: R% ~# W# v y v, _4 H! k
Summer raining seas ...
# m% V7 [9 U$ n+ h0 dthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.