Advantages 1 p0 } B% r+ L8 {- j ?. c4 n R1 aVery durable in cold weather8 \: K+ k, i9 ?' P/ O6 u8 l( {
High percentage of recycled material and are 100% recyclable! L4 M7 h( W9 P/ l
Disadvantages 0 l1 ^; ?; i- t# l' o1 V' K* fRusting (require maintenance to prevent corrosion) ' M" P l/ K: n' x' q5 XCopper and lead roofs can be targeted by metal thieves/ c! Q7 Q+ y) R7 P
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 3 B4 f& r' j8 K, A( G: n7 ?Cellular and radio reception may be negatively impacted
Metal roof ??% T8 N0 I) M! R% Q3 s4 }0 V
what's going to happen in a hail storm, will it be very loud ???6 Y3 Q7 f9 ^# R" W) q0 |
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 + q" Y% s7 v' ]/ ` u% u zMetal roof ??! T- A k. O1 f& Q) ?
what's going to happen in a hail storm, will it be very loud ???: \4 e* r7 l$ Q
Summer raining seas ...
icing 发表于 2014-6-7 22:36 * n9 e |0 I' E$ p/ dMetal roof ?? - f; e( U* s& U$ i5 d ?what's going to happen in a hail storm, will it be very loud ??? 5 x$ }" k: B4 q$ C E5 sSummer raining seas ...
6 X" d8 _' A6 Xthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.