Advantages) c7 r! T) q. }! ~) l. j c
Very durable in cold weather. R- ?( [- x6 E1 C( J$ f2 K
High percentage of recycled material and are 100% recyclable q, O* R# { O8 ]! s) m
Disadvantages * s0 e* a+ _5 _; d& b' `Rusting (require maintenance to prevent corrosion)" D& E4 |: ^) S+ H! v
Copper and lead roofs can be targeted by metal thieves ) V' n8 q2 c/ W* c: @% z3 ?6 ]4 l) lHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure. P; A2 ^. g/ f y; x: u0 N, i/ c
Cellular and radio reception may be negatively impacted
Metal roof ?? 5 p4 J, s& e0 dwhat's going to happen in a hail storm, will it be very loud ??? . K* n1 F* r. s0 A* [! YSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 / D4 a5 c8 t6 W" s6 _; O
Metal roof ?? & k+ h# W3 E4 G- H' hwhat's going to happen in a hail storm, will it be very loud ???; F: K. z. c8 D# l
Summer raining seas ...