Advantages5 N7 h) I6 l& I' }
Very durable in cold weather; K9 g% ]" ~& h& C4 }
High percentage of recycled material and are 100% recyclable 5 f/ L3 ]! x, I) SDisadvantages3 m N% `, ^9 u6 i0 u
Rusting (require maintenance to prevent corrosion) 7 w4 E# X8 A1 a/ r3 j0 J) x* uCopper and lead roofs can be targeted by metal thieves3 E% `7 p8 m5 _' Y
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ' k6 {# u3 G& d" YCellular and radio reception may be negatively impacted
Metal roof ?? $ R' a, G) |. p D$ k9 vwhat's going to happen in a hail storm, will it be very loud ??? 0 ~5 P* o# ]+ M1 l/ tSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 0 _: m5 J# p; X9 u( T
Metal roof ?? 7 j2 t: j+ t4 h6 E5 S9 ^; L; d# ~& Iwhat's going to happen in a hail storm, will it be very loud ???1 p! p$ m7 U# H% b4 M/ w
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ; `; j1 k8 r5 V& `" iMetal roof ??5 G( P: R$ J- ^# I, \3 D6 L
what's going to happen in a hail storm, will it be very loud ???5 F( O- G2 Z, @7 e4 J& A3 I
Summer raining seas ...
7 t' E2 ~. k: Gthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.