Advantages % x! ^/ P6 t6 `. B! _! wVery durable in cold weather$ f9 y# d4 p0 U4 Z" M; ~+ h. \/ ]0 q
High percentage of recycled material and are 100% recyclable: O% k! V& e5 j8 M) q3 i/ F
Disadvantages # m/ _+ Q/ f8 P- D: N8 LRusting (require maintenance to prevent corrosion) 7 v1 j; Q& K& C% [1 [8 g$ q1 ECopper and lead roofs can be targeted by metal thieves 6 L6 I/ s' e/ c b, M9 sHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure * _/ C! {' o3 D8 CCellular and radio reception may be negatively impacted
Metal roof ?? % |1 I7 b" x8 P9 @1 ]) \what's going to happen in a hail storm, will it be very loud ??? ) I' _+ q! ]' j7 b- E" ^1 cSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 . |! [# ~: U u* TMetal roof ??* ]( `' C7 t: T" F8 v# I! s
what's going to happen in a hail storm, will it be very loud ??? + n8 G' V+ N% n% pSummer raining seas ...
icing 发表于 2014-6-7 22:36 , `4 B6 _' H" ~& k7 n2 J: U
Metal roof ?? - @9 _% }9 I/ O& Y6 c& B$ a$ X3 S Awhat's going to happen in a hail storm, will it be very loud ??? % `+ k0 G4 {. d, |Summer raining seas ...
$ l- L: D1 h/ R4 C5 S6 i! y' Ythat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.