Advantages . c+ m E$ L" ? q* y, e" ZVery durable in cold weather6 h! Q5 i# D6 F0 [: m
High percentage of recycled material and are 100% recyclable$ r: L3 w5 z* T
Disadvantages4 ?3 B' n1 T. S& b# _# z
Rusting (require maintenance to prevent corrosion)1 ]7 g- J. A( s5 g- m
Copper and lead roofs can be targeted by metal thieves ! [+ p5 N9 X1 p+ k# l1 RHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure- [+ D$ R$ n! E8 O
Cellular and radio reception may be negatively impacted
Metal roof ??2 z4 I( G5 D! D
what's going to happen in a hail storm, will it be very loud ???( y- p6 u9 D$ h% Q; V
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 1 ^2 Z* u) `1 w
Metal roof ?? F4 i2 X1 w1 X! Q4 jwhat's going to happen in a hail storm, will it be very loud ??? # _3 e. y4 W; tSummer raining seas ...
icing 发表于 2014-6-7 22:36 5 B" G2 t- ~: \% O
Metal roof ??; O m8 d9 p. H$ g! a0 l
what's going to happen in a hail storm, will it be very loud ??? $ i8 d5 ]( R1 L3 R' { B; v4 m; d aSummer raining seas ...
6 n: E1 R* v+ Z6 y9 Bthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.