Advantages ) X2 L; }- w( IVery durable in cold weather 7 L, b' H* X2 @0 M, o$ wHigh percentage of recycled material and are 100% recyclable & s* N7 [, R: jDisadvantages9 @7 S3 `; S& J5 b8 V8 W
Rusting (require maintenance to prevent corrosion) 0 g/ {2 R/ Z& q1 XCopper and lead roofs can be targeted by metal thieves 8 ~6 u, W: |) S$ y+ U0 u' Q% u& zHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure9 E [6 r9 j- W% q! z# `
Cellular and radio reception may be negatively impacted
Metal roof ?? # l' l( j8 M% z5 `) f5 awhat's going to happen in a hail storm, will it be very loud ???) N* Y+ x$ ~+ }0 K
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 & x/ a: l3 s: @1 W" o z1 J
Metal roof ??6 I' N3 ^0 G, s& R' ]7 v
what's going to happen in a hail storm, will it be very loud ???* Y1 t1 L: q b( ]
Summer raining seas ...