Advantages + e4 M7 \* ]; f7 U' d- ~Very durable in cold weather 4 r7 `) ?1 u ?+ D. {High percentage of recycled material and are 100% recyclable 0 g0 p& r B* }: h7 `Disadvantages 8 F. Y8 I' ]" @6 ? o- X& qRusting (require maintenance to prevent corrosion) 6 H1 k; B5 [! `: e/ t1 }. {Copper and lead roofs can be targeted by metal thieves8 v4 v. n( p* |3 Q, ~/ V# |
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure # P: q1 }4 ?$ V# ^Cellular and radio reception may be negatively impacted
Metal roof ?? 9 y+ p0 i. J2 ^4 V' n; J+ Mwhat's going to happen in a hail storm, will it be very loud ??? ( B8 T2 k& Q' D$ r- {7 rSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 5 p" l5 w8 F! ` LMetal roof ??& T1 X( `9 z, p: D
what's going to happen in a hail storm, will it be very loud ??? * e' @2 j9 K6 R" `; r F. N/ h7 CSummer raining seas ...