Advantages 5 l" ?2 _6 V/ B: o. |Very durable in cold weather+ N2 N- B! ^2 _8 ?4 _8 H* m# J) D
High percentage of recycled material and are 100% recyclable {8 _$ K- z) k; ?+ ?) }+ U, P: m! |& LDisadvantages4 k- ?; n* N4 u
Rusting (require maintenance to prevent corrosion); V& h; U$ {2 ~9 H- A
Copper and lead roofs can be targeted by metal thieves * y; W# M5 ~1 EHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure" N8 B* `; |% i
Cellular and radio reception may be negatively impacted
Metal roof ?? / x: A7 ?5 [* x% Dwhat's going to happen in a hail storm, will it be very loud ??? \' q% g7 P+ o+ o% e3 E
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * z& o& n& M' S4 `9 P
Metal roof ??. m% h! D$ e/ J
what's going to happen in a hail storm, will it be very loud ??? . O! c+ h" s+ ]% i7 I! U2 l9 J& B. eSummer raining seas ...