Advantages) M9 J9 }7 p# c3 c0 R/ }- ?4 l
Very durable in cold weather 0 @$ Z5 l6 [5 O3 `4 e% F; z% }! b& rHigh percentage of recycled material and are 100% recyclable 5 S& D8 O: Q3 T( U* A6 T% SDisadvantages% G# f) m2 M! Y9 r5 G. `
Rusting (require maintenance to prevent corrosion)* |' d3 P. U' b/ B
Copper and lead roofs can be targeted by metal thieves# B7 T6 L* A9 I
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ! W6 `! f: _* s- g$ d3 D( _Cellular and radio reception may be negatively impacted
Metal roof ?? * l0 ~) `& g# x+ k& mwhat's going to happen in a hail storm, will it be very loud ??? 2 [. W0 {' r X- ESummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ' T+ F5 r9 ~( Y3 h* h6 L
Metal roof ??+ e+ A% w$ G" s; h
what's going to happen in a hail storm, will it be very loud ???% a, y# D* j9 X9 s0 Q& X+ Q
Summer raining seas ...
icing 发表于 2014-6-7 22:36 3 _$ ?6 `- F; vMetal roof ??* [3 j! y) V7 X5 s" C
what's going to happen in a hail storm, will it be very loud ??? 4 `. \+ s0 I4 ]/ zSummer raining seas ...
+ o0 F" v* u: {* `
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.