Advantages3 ]+ r2 e: `4 e1 T& p7 A
Very durable in cold weather) w+ |" k! R; m- R. ?6 u
High percentage of recycled material and are 100% recyclable8 n/ p5 k% t6 \6 e1 Q. U
Disadvantages3 L! X3 r" ^7 [3 O! l* ?, h
Rusting (require maintenance to prevent corrosion)! c! I3 V8 N* J. N6 y
Copper and lead roofs can be targeted by metal thieves ! r1 s; n( f+ `8 aHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ) A4 M" O( b7 C& A# O, ?/ XCellular and radio reception may be negatively impacted
Metal roof ?? ' }% s. l$ V7 p% Z, i4 K; Qwhat's going to happen in a hail storm, will it be very loud ???" O5 b s* @: v
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 4 a! B( `7 k K# H9 d
Metal roof ??. W. F# O* B. b) t u
what's going to happen in a hail storm, will it be very loud ??? ( Y! N8 i' D6 f+ c5 F; K$ ]5 fSummer raining seas ...
icing 发表于 2014-6-7 22:36 # C' P% D6 w* m1 J/ T) C/ s! i* g
Metal roof ??/ g) L; B0 o5 F/ V( J) [, E2 ~/ k
what's going to happen in a hail storm, will it be very loud ??? 3 X# k7 j% v* q. l6 O* W: DSummer raining seas ...
+ [/ w# k/ _+ m0 T- L- @1 p* P g; a* Dthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.