Advantages * Z8 c( N, w9 V4 x( q# O7 uVery durable in cold weather 4 J/ c* L9 G6 X# zHigh percentage of recycled material and are 100% recyclable9 Q5 ?0 g6 r S5 T) [
Disadvantages 3 r$ q0 z# J7 u0 `Rusting (require maintenance to prevent corrosion)% S& w+ K0 _7 ^3 \5 d; E: J0 h& g
Copper and lead roofs can be targeted by metal thieves 6 n$ o8 t! A: h: tHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure . Q! L( Z( h4 X3 q( }/ K6 _# } l$ zCellular and radio reception may be negatively impacted
Metal roof ?? 8 d6 t4 ^* i: I. ~5 E, j* Iwhat's going to happen in a hail storm, will it be very loud ??? / r0 G1 x/ u, K5 m, a- w8 }- ?Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * Y0 U- Z; U7 N. y* q( BMetal roof ?? ; P( Y( g* L' nwhat's going to happen in a hail storm, will it be very loud ???, {& T& H+ u* x# W7 r5 b
Summer raining seas ...