Advantages % R0 |" _! t7 [6 V4 H( @Very durable in cold weather( W/ d" L; v' w, R9 |/ r( A
High percentage of recycled material and are 100% recyclable! R3 o2 w, r' w
Disadvantages 4 V2 {6 B: F: w" R8 xRusting (require maintenance to prevent corrosion)+ f5 R9 m& p0 f" Z3 N+ O& x
Copper and lead roofs can be targeted by metal thieves % m. U$ {7 a& o9 cHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure7 A2 j1 p. v% Y8 g0 p5 ~1 }
Cellular and radio reception may be negatively impacted
Metal roof ??9 v6 k2 d9 A$ l& V: h
what's going to happen in a hail storm, will it be very loud ??? 1 O5 s9 i4 k6 `9 n9 @Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ; O2 u. H, f6 c8 @/ t) b7 \% C
Metal roof ?? + D2 m) k, D, Y/ wwhat's going to happen in a hail storm, will it be very loud ???! R; q G$ G4 |+ ?! y% z3 D% Y
Summer raining seas ...
icing 发表于 2014-6-7 22:36 : x; h: Q D' t0 N! ?; N
Metal roof ??. m6 o/ ]* A* m+ z# @
what's going to happen in a hail storm, will it be very loud ??? 1 I Z4 `6 A% YSummer raining seas ...
% Y. h3 G8 c9 J( z' n' b# t8 S
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.