Advantages 8 m0 g( Q2 x. p* D, L, jVery durable in cold weather0 @+ N% [5 @& L- ], ?+ P
High percentage of recycled material and are 100% recyclable - ^8 H0 |2 X5 K& J5 f3 N" GDisadvantages 4 B/ B& H0 o- ?7 u; ~: g; HRusting (require maintenance to prevent corrosion)3 i6 f# K. r' i6 |% m4 J4 m/ a
Copper and lead roofs can be targeted by metal thieves - C% W. u3 Z0 Z) n: Z0 z* b. eHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure3 y; Z9 [7 u( n. J; f: e- D
Cellular and radio reception may be negatively impacted
Metal roof ??6 t* {9 e$ R# M8 O8 q8 s
what's going to happen in a hail storm, will it be very loud ???5 B5 h8 x5 D" |
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 ! v1 A$ H( B% O( T' i+ LMetal roof ??: g+ G1 {; q* [& A6 i
what's going to happen in a hail storm, will it be very loud ???0 g( d. u4 G* M" Q
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.