Advantages 4 t; o5 t$ C" v# _Very durable in cold weather ; j+ X' Y" j% N% EHigh percentage of recycled material and are 100% recyclable 1 J9 w' D( C8 e; p8 t/ RDisadvantages% N6 \3 v, ]4 ?
Rusting (require maintenance to prevent corrosion)* ~ m4 g" h' `# n" F4 W
Copper and lead roofs can be targeted by metal thieves; [) k4 t! L. d
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ( J5 h- d' G mCellular and radio reception may be negatively impacted
Metal roof ??' O& n2 G) t+ w3 y; I$ R
what's going to happen in a hail storm, will it be very loud ???3 H' l3 Y/ ^. E' V' ^0 n Q; g+ Q
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 6 \8 H6 \ f- B e0 b/ Q
Metal roof ?? " c9 ]; c5 S% }) l! vwhat's going to happen in a hail storm, will it be very loud ???1 q8 T: O" {6 K" w9 l+ n
Summer raining seas ...
icing 发表于 2014-6-7 22:36 $ a2 A) t# q8 `; y% g# s; Q9 a' W
Metal roof ??* Q* _% ?0 _; L$ L9 i
what's going to happen in a hail storm, will it be very loud ???3 }, ?& _& {, q. f4 B
Summer raining seas ...
. k1 c4 X" O) i" m2 ythat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.