Advantages4 ]2 R& X# H3 D" f d
Very durable in cold weather7 v; U6 Y8 x& f$ ]
High percentage of recycled material and are 100% recyclable 4 ^6 X0 d# X' l Z- o. a7 U# cDisadvantages , ?9 P1 F* c7 W) v$ SRusting (require maintenance to prevent corrosion)/ ~( } o0 k) g6 A
Copper and lead roofs can be targeted by metal thieves : X8 V4 k s' G2 B, d2 gHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ( L# O7 n$ F! NCellular and radio reception may be negatively impacted
Metal roof ??) V! y9 l6 K: ]* m2 v( N
what's going to happen in a hail storm, will it be very loud ???3 v3 s" `* u/ f4 a6 x6 v- @
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 6 C2 }& I5 ~* w0 S# [! ~Metal roof ??$ u3 N T9 i# Q; m1 y5 n2 | ^
what's going to happen in a hail storm, will it be very loud ???+ b8 O% O( T O F) t
Summer raining seas ...
icing 发表于 2014-6-7 22:36 , C. }4 E3 O9 X" JMetal roof ?? 6 K+ b7 ^5 ]! ?! g; w1 p7 [6 R( \what's going to happen in a hail storm, will it be very loud ??? # q: b4 X: Q4 D _$ f* aSummer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.