Advantages4 a9 E( A+ g& z
Very durable in cold weather # _8 }6 ^3 @; W$ a. M3 Z0 W* r; _High percentage of recycled material and are 100% recyclable 2 f* c. z6 W1 f% n* `Disadvantages! h k$ g* g6 m+ ?' Q/ R
Rusting (require maintenance to prevent corrosion)5 K3 V; |. H8 t4 u7 H
Copper and lead roofs can be targeted by metal thieves) y+ M1 X: V2 q' b4 [. I
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 3 t) X5 F* ^, bCellular and radio reception may be negatively impacted
Metal roof ??3 C: `5 q# i6 `* v
what's going to happen in a hail storm, will it be very loud ??? & c* ]& k9 p# V0 F# fSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ) [+ ?- T' j! e/ bMetal roof ?? & ~: n( P) m3 A# Qwhat's going to happen in a hail storm, will it be very loud ???5 d. x3 d/ A- f
Summer raining seas ...
icing 发表于 2014-6-7 22:36 & Y) r: f( C% e6 ]0 f1 O4 mMetal roof ??$ m9 N0 R. O5 v7 U7 W; v
what's going to happen in a hail storm, will it be very loud ???+ j, l# m# w# C* ^7 `& [" J
Summer raining seas ...
& x& }0 a8 S, ? a1 mthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.