Advantages5 F" R' U: a4 n, x. d+ {6 f$ K: Q
Very durable in cold weather 1 }6 `' o3 y+ O, VHigh percentage of recycled material and are 100% recyclable 1 s( v, t6 a; k- FDisadvantages" b3 l: Q. P* D! a5 G# |
Rusting (require maintenance to prevent corrosion)% b5 X# z9 @8 H1 d: u" ]0 p2 G
Copper and lead roofs can be targeted by metal thieves% [0 \+ X5 M: T. g& k$ m8 i
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure % L7 _# v/ d7 F) K8 eCellular and radio reception may be negatively impacted
Metal roof ??& s% j7 r6 f# ^- X# s& G0 c
what's going to happen in a hail storm, will it be very loud ???' B v3 C ?" J5 ~( q w2 Z, E* c
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 * S ?) `" A# K5 ?) E1 yMetal roof ?? l6 h( F% O4 X; Y3 N" V; k
what's going to happen in a hail storm, will it be very loud ???5 ~3 D7 A; Y2 F5 g! K0 x
Summer raining seas ...
. W; O9 z! t6 P% H9 W: Ithat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.