Advantages & L8 l/ l" ~. E) E5 WVery durable in cold weather & v( _. P4 t+ M3 L; EHigh percentage of recycled material and are 100% recyclable 9 [" y# n1 v$ v" m. j" x$ g5 bDisadvantages ) g! p2 S4 ]5 w3 |Rusting (require maintenance to prevent corrosion) 9 I8 W7 w7 r3 S3 D2 n- mCopper and lead roofs can be targeted by metal thieves/ b( ^- i% z0 W4 N2 w* ~
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure7 s0 ]" w+ A3 a, V
Cellular and radio reception may be negatively impacted
Metal roof ??5 Y, k+ l6 p/ p% d1 ~
what's going to happen in a hail storm, will it be very loud ???4 ?+ C+ `+ f; q; Z3 a* ~2 y6 [& d* V
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 / s- `, i- H/ k+ r* Z1 ]Metal roof ?? , M7 C- |# c5 D/ R q* ~! pwhat's going to happen in a hail storm, will it be very loud ???" v$ j3 Y% R& x8 J5 m
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ! q/ }2 }" I( c% x' ^
Metal roof ??9 W) {. y" m6 [: w, X7 `- Z6 e
what's going to happen in a hail storm, will it be very loud ??? $ q* O+ e( B: @5 ~: MSummer raining seas ...
* m* g$ [, p7 w% Y6 Kthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.