Advantages* W6 I5 ~$ Z( H
Very durable in cold weather & Z8 G: y1 B/ I; ~. ~$ C# UHigh percentage of recycled material and are 100% recyclable 1 ]: J0 j0 f! z0 n. ~" ~% s$ PDisadvantages , a8 A$ V7 G& g/ E+ ^Rusting (require maintenance to prevent corrosion)4 ~. ?4 O7 N2 y3 }7 l6 Q
Copper and lead roofs can be targeted by metal thieves& I1 l& X' \0 U, Y, k
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure# s; W) b6 g' Q6 @
Cellular and radio reception may be negatively impacted
Metal roof ??: w2 J$ F/ z! e5 }+ n* k
what's going to happen in a hail storm, will it be very loud ??? ! u' {$ b+ N; H5 c3 X/ XSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 / Q" H1 V% y0 }7 Q, ^" m
Metal roof ?? , `/ }- @; t0 ^ ?what's going to happen in a hail storm, will it be very loud ???- J* u0 J+ G+ Q# ~3 s0 u8 L% d
Summer 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.