Advantages + x0 p+ M9 J; [) F# w& V/ i& EVery durable in cold weather * `. ]6 ^) F% nHigh percentage of recycled material and are 100% recyclable ! Y& ^) v4 \- B% Z. ]$ tDisadvantages 6 m+ L% ~6 t' ?Rusting (require maintenance to prevent corrosion) 5 M$ ~4 H g' @ m9 kCopper and lead roofs can be targeted by metal thieves ( t! T2 q) k- _5 a! |4 c+ bHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure4 C" J) w R1 m, R- a# d% n- ?5 m
Cellular and radio reception may be negatively impacted
Metal roof ??7 A! _3 s6 W; h4 ?9 f
what's going to happen in a hail storm, will it be very loud ???6 o7 e9 P" Y9 o# c; L6 V7 ]
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 2 ^8 D7 X9 B2 i; I* N2 @Metal roof ??6 i t5 H! r' V& L2 F4 j8 D- \
what's going to happen in a hail storm, will it be very loud ???4 R% b0 @6 s- e
Summer raining seas ...
5 i, x" |' ] S7 i3 [, h3 Mthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.