Advantages & S& X9 l7 z3 y3 [" _& x6 n6 vVery durable in cold weather % l/ `8 f+ t* o% `" RHigh percentage of recycled material and are 100% recyclable ( y# r: B3 a! x: u$ e& f0 Y! qDisadvantages" O) L8 J! F) e! P* {9 Q. e( p% L* y- g
Rusting (require maintenance to prevent corrosion)8 l% X8 L! X7 q/ u
Copper and lead roofs can be targeted by metal thieves( V& S; @! z3 Q; x
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 2 g" k- C' ?8 e; R; y' qCellular and radio reception may be negatively impacted
Metal roof ?? # j; t7 j8 L) \what's going to happen in a hail storm, will it be very loud ??? , x% ]" p1 W9 m9 QSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 $ A/ ?$ Z* |+ |4 h, h# j Z% jMetal roof ??, G( G- `! p8 p5 n' N w8 w! {
what's going to happen in a hail storm, will it be very loud ??? 1 c! X% M _2 R: ]: K8 ]; FSummer raining seas ...
" p; p3 ^/ F L6 n k& o1 i6 S( G- Uthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.