Advantages 5 v$ y6 f9 K! ?3 H! ]# ~# Q( `Very durable in cold weather % e) D. C! C+ `! X4 j* {High percentage of recycled material and are 100% recyclable 2 J2 ?! J1 B; ?9 @) yDisadvantages3 I8 {% R) Z4 G9 o/ Z1 ^9 U# Z
Rusting (require maintenance to prevent corrosion)" \$ X3 K- p$ Y. `
Copper and lead roofs can be targeted by metal thieves) C* Y- _$ x S$ } R; p
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure, q2 L: x# y% @* B/ Q. o
Cellular and radio reception may be negatively impacted
Metal roof ??+ Z9 y7 w! b# y' v# P
what's going to happen in a hail storm, will it be very loud ???5 ^2 K7 j& c; i. O
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 . I, z+ @" h6 J% qMetal roof ?? 8 Z1 Y2 p) N( H+ b+ owhat's going to happen in a hail storm, will it be very loud ???) D( T# S# D5 t. N; c: N% |8 W
Summer raining seas ...
icing 发表于 2014-6-7 22:36 : E9 X- y5 n: p' I' k4 E' I( @
Metal roof ??1 {2 ]8 i- |. m$ N2 L ?
what's going to happen in a hail storm, will it be very loud ???2 N# L7 z# |' O
Summer raining seas ...
: u9 p3 C0 o9 Y; T, Xthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.