Advantages : N( j/ u1 ^% p+ CVery durable in cold weather% N2 J$ a' K% t! W6 L$ O( Q
High percentage of recycled material and are 100% recyclable ) d: A, E5 o4 r: f' t' eDisadvantages : I$ H$ q& M0 aRusting (require maintenance to prevent corrosion) ! s' V/ {$ I, B; dCopper and lead roofs can be targeted by metal thieves# _: X6 t% D+ y0 I/ `8 t
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure . G4 G' S& Z; O! @Cellular and radio reception may be negatively impacted
Metal roof ??" R3 ~0 t; H( L9 k$ {
what's going to happen in a hail storm, will it be very loud ???8 x# U0 Q9 S/ I/ C u3 ]/ B. v2 e
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 2 Z1 j4 S' U: ?
Metal roof ??) H1 c; v5 ^. L1 J0 O
what's going to happen in a hail storm, will it be very loud ???3 N% ?5 @* }0 x
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ; b: q' f2 U- W4 Z6 x; WMetal roof ?? x7 f% q6 f5 o" {" K1 ]
what's going to happen in a hail storm, will it be very loud ??? ( N0 I: F i/ q6 T: ZSummer 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.