Advantages* o& L& {9 {. W
Very durable in cold weather* Y0 {7 I8 i4 c) B$ `8 ?
High percentage of recycled material and are 100% recyclable 4 p( G) U9 z7 F4 M0 qDisadvantages4 H3 P' m' P0 l7 T5 ?9 ]9 Z# A# ^3 m
Rusting (require maintenance to prevent corrosion) : H+ ?" S- }& `) @$ zCopper and lead roofs can be targeted by metal thieves # ~$ f$ X# E- g# p2 m$ t, mHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure0 e9 s, Y2 f) z
Cellular and radio reception may be negatively impacted
Metal roof ?? / ^ Z" F5 s6 Cwhat's going to happen in a hail storm, will it be very loud ??? ! v8 n- I6 f$ G1 TSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 H& `2 K( ]* c# N3 B9 j
Metal roof ?? , }5 m: {5 r. Pwhat's going to happen in a hail storm, will it be very loud ???) w: ?# E9 }" v8 O* G
Summer raining seas ...