Advantages * |; W3 ]# ]1 v; \: jVery durable in cold weather : {8 u9 l: a% M' r' B2 h: y% zHigh percentage of recycled material and are 100% recyclable % {3 m; X" }6 c, S2 U$ }5 o4 N6 I$ iDisadvantages 6 [( E5 F1 c3 D# `- f, WRusting (require maintenance to prevent corrosion)3 w: z- j* \) Q3 H# D+ ?+ U5 m
Copper and lead roofs can be targeted by metal thieves $ o8 Z! k( V2 c) ^* hHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure , N7 d5 H7 A. }+ ^" q7 O2 RCellular and radio reception may be negatively impacted
Metal roof ??$ \) l7 g" h$ |' R7 G/ v- n6 S- x
what's going to happen in a hail storm, will it be very loud ??? 2 a. b% f5 [1 WSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ! w# X L1 f7 j& ?% a3 MMetal roof ??: f: C+ c+ U0 v1 b9 S. y+ O
what's going to happen in a hail storm, will it be very loud ???# @5 `0 ~) v: k0 m4 H
Summer raining seas ...