Advantages % ?' i0 V' y* U% e. ^ mVery durable in cold weather ! w9 f% O# [+ gHigh percentage of recycled material and are 100% recyclable6 E4 }( P: K+ Q5 G' M1 k
Disadvantages ( X8 n5 r3 ]+ N2 [+ b1 URusting (require maintenance to prevent corrosion)3 H ]. S* K# O9 e# j& l5 V" b
Copper and lead roofs can be targeted by metal thieves) k$ V# ^* B4 W/ T
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure# w' ?9 M4 I W) J) M
Cellular and radio reception may be negatively impacted
Metal roof ?? 0 S# a5 ]9 r* H0 nwhat's going to happen in a hail storm, will it be very loud ???5 |9 \+ i5 {$ |( L
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ' D4 s1 ^/ G. H) KMetal roof ??! ~8 J$ |# w8 G- K( g8 Z6 _
what's going to happen in a hail storm, will it be very loud ???% y, Z. C% l7 Q& N- s
Summer raining seas ...
icing 发表于 2014-6-7 22:36 $ q; X- ~! g/ @5 f% f. ]Metal roof ??! c& r; R6 _% G+ Y4 }$ r; n+ g
what's going to happen in a hail storm, will it be very loud ???; ?% t, k5 f0 K: s0 Q, S
Summer raining seas ...
4 v5 I, n" d; T$ ~5 j5 Lthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.