Advantages 3 b, C% q; {4 j* fVery durable in cold weather' r& n. }( {8 i0 v+ O+ f
High percentage of recycled material and are 100% recyclable : u( n+ u2 p1 b$ p6 `: W* i! f X: ~Disadvantages0 w& m A! \5 a! T9 T( X
Rusting (require maintenance to prevent corrosion)4 R7 ]5 q0 l, @0 X6 w2 V* b& U
Copper and lead roofs can be targeted by metal thieves - e* q. M) `+ R5 r1 _5 t$ \, IHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 4 \* Z5 Y% A2 N) f* ~6 n& p [/ BCellular and radio reception may be negatively impacted
Metal roof ??3 q3 d3 W2 ~0 F% U
what's going to happen in a hail storm, will it be very loud ??? 5 ^8 q P5 ]( {- L( T' B7 qSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 ( }) r# i) o6 }$ [0 B9 r1 BMetal roof ??3 e" t9 W# |; ^
what's going to happen in a hail storm, will it be very loud ??? + J1 P! m' C2 _4 j1 Q( M& YSummer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.