Advantages; a% _, s3 S) Z
Very durable in cold weather( s- C! O* M7 f% u/ A
High percentage of recycled material and are 100% recyclable , ~& C. _" L' S5 a1 a+ p' l: kDisadvantages9 }6 M4 }1 v: T9 J. D& Y; s7 o
Rusting (require maintenance to prevent corrosion) 0 Y) A' z3 O% _6 Y0 KCopper and lead roofs can be targeted by metal thieves, s6 Y: A! h( a3 s3 C
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ! [' m0 ?4 u5 q% J" g) `& K& yCellular and radio reception may be negatively impacted
Metal roof ??7 k# n+ U: ~: _4 M! K
what's going to happen in a hail storm, will it be very loud ???2 P! Q, T6 @" z; X
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 3 D8 }9 ]2 `- U c6 L4 y
Metal roof ?? 8 Y7 b* U) `9 N0 Fwhat's going to happen in a hail storm, will it be very loud ??? / X: x% a0 E$ RSummer raining seas ...
icing 发表于 2014-6-7 22:36 6 B# ?6 X+ G1 | B2 ^. z' j
Metal roof ??- I8 Q# u4 \& ^
what's going to happen in a hail storm, will it be very loud ??? , L# l& x% h0 k: c, Y" p7 qSummer raining seas ...
5 p' P7 c% S% {: n _% C; q5 H
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.