Advantages 9 r; r9 x; i8 I% K. @Very durable in cold weather! g e$ z: I$ c% K) _6 v
High percentage of recycled material and are 100% recyclable 5 M$ \6 T- L. Q! c! n" D/ S# yDisadvantages 2 ^ L+ V! G% K" q) M3 YRusting (require maintenance to prevent corrosion) , A5 O6 t$ h3 R2 A) c7 N% \$ dCopper and lead roofs can be targeted by metal thieves/ S7 y( a2 B) m0 T( ~ I" M
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ' f' c, a3 i* mCellular and radio reception may be negatively impacted
Metal roof ??' T0 x$ p$ `: f- v! a
what's going to happen in a hail storm, will it be very loud ??? " u/ F2 S5 O/ n) T+ s3 eSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 M; T4 }+ Z& v8 Y0 H: gMetal roof ??6 ?( H( c0 l3 R; L% a
what's going to happen in a hail storm, will it be very loud ???! Q1 p* B1 ~; h8 Q+ @8 C% d! \
Summer raining seas ...