Advantages 9 d/ V+ B9 c$ {3 g- kVery durable in cold weather, w) F+ p9 X$ n7 D# R6 n" Z/ H
High percentage of recycled material and are 100% recyclable; l& C! g: W, h+ M
Disadvantages, w5 M; P/ i4 L1 y: x
Rusting (require maintenance to prevent corrosion)8 t3 x) }' V- }; D" c9 S. W
Copper and lead roofs can be targeted by metal thieves5 B t# E# p% V4 Z$ c: E+ j8 P: b
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure/ L% b6 l! {: g- G/ n1 [
Cellular and radio reception may be negatively impacted
Metal roof ??+ I+ U y+ W# e, \
what's going to happen in a hail storm, will it be very loud ??? ! }' J' o: w* F; u0 Z- m- I& lSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 P, x, S4 X' ~
Metal roof ??( e# s9 N6 ~9 ~. k8 r! O+ | z; l
what's going to happen in a hail storm, will it be very loud ???8 J+ P* ~( h3 K* X& u
Summer raining seas ...
icing 发表于 2014-6-7 22:36 # o3 i1 x) D* j- m1 r- w# {
Metal roof ??0 |& Y& b2 y, f# y- J' o
what's going to happen in a hail storm, will it be very loud ??? ; G S# L' |9 A4 wSummer 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.