Advantages9 H! ]5 J2 `- M. P0 S P) N1 S7 a
Very durable in cold weather* G7 F: t3 L% K1 f5 p6 R( p, u$ G
High percentage of recycled material and are 100% recyclable* e& q! z" ]! ?3 x }' X
Disadvantages 4 u6 Q: r& |& ?8 q/ i# K( Q4 m3 DRusting (require maintenance to prevent corrosion) 9 p- }/ Z8 j+ F8 A& h, _* l0 rCopper and lead roofs can be targeted by metal thieves) H, j6 c# @& l n& z% l8 n7 I: \. `4 c
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure. Z1 A5 q2 D' y9 O, W4 {2 c4 i- T
Cellular and radio reception may be negatively impacted
Metal roof ?? . ^2 K1 c% z n6 N; M& Pwhat's going to happen in a hail storm, will it be very loud ??? 4 h' h! J0 }8 b" s% G" {3 ASummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ; G. ]4 E- ]; k# c- N. eMetal roof ?? : p+ P4 G+ E' Pwhat's going to happen in a hail storm, will it be very loud ??? & |% W |% `% L: S; mSummer raining seas ...
icing 发表于 2014-6-7 22:36 2 E" l' y' p1 O" O
Metal roof ??+ T6 Y' I$ e/ i
what's going to happen in a hail storm, will it be very loud ??? w. X% I O4 z2 ? z+ n$ y
Summer raining seas ...
5 }" n5 ]. E* t" N2 u: z" W; W' M* ?that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.