Advantages - i$ y$ s* s+ @* ~4 S& UVery durable in cold weather # \* m4 w" @5 Y- QHigh percentage of recycled material and are 100% recyclable 2 _( o+ c. k" k3 CDisadvantages $ b2 ^4 z% r" t, I: {3 h% w7 `Rusting (require maintenance to prevent corrosion) 5 f6 K4 ^" ^. Y" p1 F2 z' ]6 i' C5 qCopper and lead roofs can be targeted by metal thieves* B' o d, c# N% A+ S% t! i3 S
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure6 R- w& l+ V+ t2 n, [# q
Cellular and radio reception may be negatively impacted
Metal roof ??. ], B- F3 q( n& g
what's going to happen in a hail storm, will it be very loud ???% z- e: Y. l" Y
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 $ e% h s; g9 a# v; b2 dMetal roof ??2 q$ G9 S* y; a/ n6 m
what's going to happen in a hail storm, will it be very loud ??? - X% |# t' a2 v, [Summer raining seas ...
icing 发表于 2014-6-7 22:36 , C7 o0 a3 n; a2 q; A c0 O7 r7 W. VMetal roof ??+ s. p$ l9 q9 I1 F5 d
what's going to happen in a hail storm, will it be very loud ???8 t# I7 s' p- k& W
Summer raining seas ...
% z# T' \- J. Kthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.