Advantages 1 r' \! }2 [ \7 t* CVery durable in cold weather 7 f6 A/ r3 Z% S% t6 ]High percentage of recycled material and are 100% recyclable - B$ Y9 E# F& l( a9 hDisadvantages+ g. v( R; s* W: ^$ T3 c
Rusting (require maintenance to prevent corrosion)1 L8 _! [6 D/ H
Copper and lead roofs can be targeted by metal thieves! Y* n7 T7 m1 v1 D& J2 L
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 8 k" c& u4 _4 C7 A7 _7 {Cellular and radio reception may be negatively impacted
Metal roof ?? $ X: n' w, x& x: t% Y' p7 F }what's going to happen in a hail storm, will it be very loud ???4 ]: j } s g! i
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 : d; P0 M& U& v0 k( b6 a, [8 H
Metal roof ?? . b. L/ Y; U& c" D! ^) Wwhat's going to happen in a hail storm, will it be very loud ??? . j; N' s! J: hSummer raining seas ...
9 l A( T3 g$ X+ ]) p" S/ Qthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.