Advantages & ^! c+ }5 C H) }' p% x' BVery durable in cold weather) o9 x4 y; ~% `- i" z9 R" k
High percentage of recycled material and are 100% recyclable 9 I7 @* i, {+ e* h: ]. _5 ]Disadvantages. w- |1 w% W3 |2 S9 j' i: x
Rusting (require maintenance to prevent corrosion): y, w% z$ o5 K T* K. U
Copper and lead roofs can be targeted by metal thieves( K/ F. x. f4 _$ M9 a, K
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 6 i+ v0 v; D( Q& m5 h, ]( qCellular and radio reception may be negatively impacted
Metal roof ?? 1 C$ |8 v! q% A& ^) ^3 jwhat's going to happen in a hail storm, will it be very loud ??? ) V4 x) n i& Y8 }0 KSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 # a+ ]2 K' i6 \ h4 s/ C
Metal roof ?? 8 |4 R6 B) b7 `2 s; E2 ~* kwhat's going to happen in a hail storm, will it be very loud ??? , h% d1 e9 y( R) ASummer raining seas ...