Advantages9 H2 i" k- E C
Very durable in cold weather+ k4 Z( F2 z7 f% s/ K$ c0 p
High percentage of recycled material and are 100% recyclable , A# J8 m; x; f9 @; e+ w2 ZDisadvantages" ~1 A- i/ N& D' K; z: g9 x6 @
Rusting (require maintenance to prevent corrosion)+ ]1 R8 u& |5 ~1 Y% [
Copper and lead roofs can be targeted by metal thieves# I, Z- P# |7 B# j* h0 P4 D
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ( X: h; ?* U: t4 c' BCellular and radio reception may be negatively impacted
Metal roof ??6 o6 S1 a% p% g s, {
what's going to happen in a hail storm, will it be very loud ???2 f/ V/ t' \) }, P* z$ E u7 M2 r
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 . F# q; q3 q7 [$ |6 AMetal roof ?? $ \( n# I+ V. hwhat's going to happen in a hail storm, will it be very loud ??? n6 w. x8 o% K0 M! x5 ~Summer raining seas ...
icing 发表于 2014-6-7 22:36 U' X0 j# g* O# I, L/ i
Metal roof ?? Q* F/ a9 ~& U: i
what's going to happen in a hail storm, will it be very loud ??? 3 ~9 E7 ]# A. [5 q* p* C6 N% ISummer 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.