Advantages - d1 [4 R, I6 a/ n- xVery durable in cold weather ) S& a6 |! A6 T3 m9 SHigh percentage of recycled material and are 100% recyclable: J, S* z- U3 [. r. b
Disadvantages 1 i6 @7 C- H' q+ S! u, j' {, @Rusting (require maintenance to prevent corrosion)( N2 w+ |' \% n" F
Copper and lead roofs can be targeted by metal thieves% E; d( ^6 s' @
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure* e) k4 L+ z5 q2 e! U( z8 h8 a; h& U
Cellular and radio reception may be negatively impacted
Metal roof ??5 b$ x6 _4 t5 C: d
what's going to happen in a hail storm, will it be very loud ??? 4 S; W/ g' f% k) e7 eSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 # Z% I3 z% q5 [& Y$ ]. }
Metal roof ?? 3 K: Z5 D5 N" J2 r3 `* l' ^% B4 ~$ Vwhat's going to happen in a hail storm, will it be very loud ???. l: _" `, z" p; Q' N
Summer raining seas ...