Advantages- p: ?! T- ], j
Very durable in cold weather 0 o0 l+ y }! \! E! l" M+ N2 Y# XHigh percentage of recycled material and are 100% recyclable! G2 ]) p4 J+ y9 |; E, ~
Disadvantages$ W+ h, g6 ^" B* I; p
Rusting (require maintenance to prevent corrosion) 1 F% ?& g; s3 F4 v* c& S/ P* nCopper and lead roofs can be targeted by metal thieves + S$ y' f7 b8 C& l# WHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure/ t/ G1 g; y! q+ Y& p+ L4 z
Cellular and radio reception may be negatively impacted
Metal roof ??: R1 u2 e* e- ?
what's going to happen in a hail storm, will it be very loud ???0 I5 a: X. H3 l6 z1 ]
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 f. y8 N0 P8 d- x& q0 Z
Metal roof ?? 9 {& p& ?) w/ G8 {what's going to happen in a hail storm, will it be very loud ???7 Y# L( A6 h1 [% _
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ) m. c- i: J4 a0 T5 c; V" F/ W
Metal roof ??& b: b/ H; ]6 H$ k; Z
what's going to happen in a hail storm, will it be very loud ???6 ]. M0 ?6 ~, |
Summer raining seas ...
% d% \4 h R$ W/ K' Athat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.