Advantages6 _1 a" H1 U& z
Very durable in cold weather" E6 l2 I! w/ N, O+ u+ D: X+ C
High percentage of recycled material and are 100% recyclable * L6 ?1 G& p! i% q( D! ADisadvantages - D2 T. _/ }" ~Rusting (require maintenance to prevent corrosion), w4 N* ?9 B7 q" F7 T
Copper and lead roofs can be targeted by metal thieves4 F; Q$ q m2 Z" x! z
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure6 m- @% U, I, E& h$ y+ j( h
Cellular and radio reception may be negatively impacted
Metal roof ?? 4 i4 H7 ^1 \; \; d6 M0 vwhat's going to happen in a hail storm, will it be very loud ???, y- m& ^6 L; Q; R, d
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 7 K$ t9 ^3 z! g% X2 D# A
Metal roof ??! N) a" y! Y+ _' D
what's going to happen in a hail storm, will it be very loud ??? ) P0 d5 _. t! n9 r8 r( o2 O+ a TSummer raining seas ...
% ^5 G; s" b( X pthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.