Advantages ! O" W/ v8 m& r7 I1 N0 X* a! S% bVery durable in cold weather 2 @9 G# c2 ^2 @High percentage of recycled material and are 100% recyclable" m" c& g4 {2 N* F3 R
Disadvantages" e. K V5 g" F) d" A" w8 P
Rusting (require maintenance to prevent corrosion)6 X0 a0 e$ h! R# ]' V) S
Copper and lead roofs can be targeted by metal thieves D, J' V3 S# B" u; _8 m6 R
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure : _+ p6 k- c6 f5 o2 iCellular and radio reception may be negatively impacted
Metal roof ?? 7 N7 a: L- d/ R! _what's going to happen in a hail storm, will it be very loud ??? 7 N- N" `- a0 G6 w* ]3 qSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ; G. d, }) d' n# J7 s6 Q% ^) kMetal roof ?? $ {. O0 |: I0 j% jwhat's going to happen in a hail storm, will it be very loud ???+ |$ e" } m* w# J q
Summer raining seas ...