Advantages 8 R6 o2 }7 S0 ~# _Very durable in cold weather ( C2 e# j" E# m; c* J, A! |, I! gHigh percentage of recycled material and are 100% recyclable 0 I2 l* q- l0 M) R/ `( ?Disadvantages # h0 h9 G0 S! HRusting (require maintenance to prevent corrosion)" x! x& O' N+ a+ x- F9 I5 ^9 \
Copper and lead roofs can be targeted by metal thieves " g6 V- O% Y9 p# K8 y* ]9 cHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure( S* P% P3 L o) D
Cellular and radio reception may be negatively impacted
Metal roof ??* \' E/ E$ N) e5 \
what's going to happen in a hail storm, will it be very loud ???# U4 b+ K2 R. ^/ Z2 M" d9 a+ K* t
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 " a! r# l; Z, Y% B- A
Metal roof ?? & Z1 g/ `( Y4 C! G lwhat's going to happen in a hail storm, will it be very loud ??? 9 H b4 ?- E% e5 N# @Summer raining seas ...