Advantages" N) P' D* }+ t0 c/ x3 f, _
Very durable in cold weather ' H1 _* D% b: z9 w! I3 ]0 cHigh percentage of recycled material and are 100% recyclable+ S0 i. U+ G$ A
Disadvantages- ?- f7 q2 B, {! p9 D' {' s4 w3 P
Rusting (require maintenance to prevent corrosion) : L$ n" a6 \+ A! j1 tCopper and lead roofs can be targeted by metal thieves. }$ z* N" ]8 ^9 B
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure" a. e s! E3 f! i2 m# U# K
Cellular and radio reception may be negatively impacted
Metal roof ??! F, {# P! R, }; d- R
what's going to happen in a hail storm, will it be very loud ???4 O3 C6 ?4 d* o8 J) h
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 - n& y8 G' L$ m6 ^) u, w
Metal roof ??. e* {1 v. A; Z3 L! r
what's going to happen in a hail storm, will it be very loud ??? 2 s1 L, `2 o& [# a% f& TSummer raining seas ...
icing 发表于 2014-6-7 22:36 : ~7 U0 G- Z; n' L5 s* P F9 ]
Metal roof ??0 i. O% X: v& }: U
what's going to happen in a hail storm, will it be very loud ??? 4 L8 |1 @3 X0 J* t5 M5 v; E7 xSummer raining seas ...
+ J# ]: B7 {8 k$ ythat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.