Advantages6 K- ^0 u, ~" C3 S; s
Very durable in cold weather " q8 R3 k0 I7 M5 S' D: \. q# { j. WHigh percentage of recycled material and are 100% recyclable( X- V: J, `1 J" _$ C3 ~
Disadvantages: h% u5 `2 w) w3 l
Rusting (require maintenance to prevent corrosion)9 L4 g( p7 j9 ?9 r* Z
Copper and lead roofs can be targeted by metal thieves , q4 I4 ~2 i EHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure / z3 A1 e. [& J4 c! J) |Cellular and radio reception may be negatively impacted
Metal roof ?? A* j1 B1 ]5 C2 G
what's going to happen in a hail storm, will it be very loud ???. V4 A2 ^: z) x( z# b* v6 C5 i
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 3 Y8 b2 m4 J( i+ f0 ^& O
Metal roof ??; {4 m# X3 `- e6 \
what's going to happen in a hail storm, will it be very loud ???, M/ B8 e* w o+ Z
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ; ]9 _) a3 A# e7 y' z1 \
Metal roof ?? 5 q3 M, V" W2 M1 w2 O4 S0 Mwhat's going to happen in a hail storm, will it be very loud ???# l6 Q! N# j1 _
Summer raining seas ...
5 I% M; X0 L8 r
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.