Advantages / r2 C% J2 Y8 L1 y# i! dVery durable in cold weather - c4 G5 O' Y) Z! W! U5 h2 yHigh percentage of recycled material and are 100% recyclable - B0 H" H0 m% k4 Y2 jDisadvantages ; D2 f7 N7 V9 d0 I" i3 qRusting (require maintenance to prevent corrosion)' F+ U" q: [9 Y0 @! H
Copper and lead roofs can be targeted by metal thieves 8 M; W* s, `( M# ~High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure* M" g8 Y* m- k k' A
Cellular and radio reception may be negatively impacted
Metal roof ??( ?. a7 l# S- r( {, a: g% i/ Q
what's going to happen in a hail storm, will it be very loud ??? . ?' @4 A- l7 M } USummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 3 c; z0 O7 [, Q3 dMetal roof ?? . Y1 r* i2 e, N, f' l6 a2 ~* rwhat's going to happen in a hail storm, will it be very loud ???6 y$ R$ m* h% t, f/ k
Summer raining seas ...
icing 发表于 2014-6-7 22:36 5 T7 L \5 O0 b5 C ?( q3 z& T1 ~Metal roof ??; ?3 Y |; I2 n8 j8 f i0 v) q/ n% Q
what's going to happen in a hail storm, will it be very loud ??? 8 ?- ?& j4 G3 h/ A% r6 GSummer raining seas ...
( b7 D, A: }9 h! j m; ?that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.