Advantages. ?0 B ]/ e! h9 L$ }( Z$ h
Very durable in cold weather + j4 w1 v( d& Z. j7 t Y+ m: ?High percentage of recycled material and are 100% recyclable5 v0 V9 w: e$ o7 {; R
Disadvantages2 T. D0 F& X3 J3 z0 U& d; h, |
Rusting (require maintenance to prevent corrosion) ; G7 t5 N. M& u" i; {# c4 uCopper and lead roofs can be targeted by metal thieves9 o& D* a; p5 d$ ^7 J
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ' n r. ~; h0 G1 u! ACellular and radio reception may be negatively impacted
Metal roof ?? ! k$ t" q: U& w/ Mwhat's going to happen in a hail storm, will it be very loud ??? / s+ U7 G2 U$ n3 B) u! G% zSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 1 ~$ o) K0 i# d8 ?4 C+ \
Metal roof ??' A' x* ~" E* ]1 b2 {7 D
what's going to happen in a hail storm, will it be very loud ???# z" k+ {" ~9 U. e3 M
Summer 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.