Advantages % b/ d* i- A& Y. m( ?: RVery durable in cold weather: W' f0 J# w: o
High percentage of recycled material and are 100% recyclable 6 b1 x$ b! {8 B1 ?* l) c: G: T! O& vDisadvantages' q( F: ^3 g# H. M. E
Rusting (require maintenance to prevent corrosion) . w% A' {' C# b$ dCopper and lead roofs can be targeted by metal thieves # q% E& c# m/ x+ b4 O6 x7 m! JHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure. p' t: N3 n; Q7 {; y. T: f
Cellular and radio reception may be negatively impacted
Metal roof ??, S# {3 a1 V! e i) i* \. d/ ^
what's going to happen in a hail storm, will it be very loud ???, S# L+ ~/ N T
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 . P' z/ D( A: u; l% z& X
Metal roof ??' X. x+ ]8 x6 w) p. U4 l& o7 W7 E
what's going to happen in a hail storm, will it be very loud ??? 0 n1 n) V0 J, s1 _Summer raining seas ...
icing 发表于 2014-6-7 22:36 , M( K2 U+ p9 F4 U$ i, p; k' R
Metal roof ??8 ?( l! y6 h( _. z% d% ?' y
what's going to happen in a hail storm, will it be very loud ??? 6 i) v% {( ]! MSummer raining seas ...
1 K0 a+ f* b, m! N, k9 ]that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.