Advantages5 ~0 d2 o/ F' p/ W9 l4 t& x% ~, k
Very durable in cold weather" \/ t- X! q8 \* }( J
High percentage of recycled material and are 100% recyclable 8 v* U; a4 Y" T9 d* p5 \2 J8 ]Disadvantages% }; D6 K; L+ H4 N" R9 G
Rusting (require maintenance to prevent corrosion) ' D9 U: T; B. N6 bCopper and lead roofs can be targeted by metal thieves) r. ]- S& S6 ^: }
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure $ k6 K9 O& H0 t- P" aCellular and radio reception may be negatively impacted
Metal roof ?? ( ]7 J# u! q8 Z, e6 |what's going to happen in a hail storm, will it be very loud ???7 Q9 w/ U3 K. ^ B$ @1 D0 V% M
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 , w( b, ]* x" k5 M ]" r# h" D
Metal roof ?? 2 L2 j1 }! `7 jwhat's going to happen in a hail storm, will it be very loud ??? 6 }& t6 `/ [- z5 u+ GSummer raining seas ...
icing 发表于 2014-6-7 22:36 ) `; F, D0 m- ~Metal roof ??6 H8 g. q3 {2 Q. v0 h! d1 v6 `' K5 n, J
what's going to happen in a hail storm, will it be very loud ??? 0 d9 L4 f" C, e. { FSummer raining seas ...
5 m% c3 X& J: C# j5 Cthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.