Advantages ; h0 v( Z' O- |+ JVery durable in cold weather, R" J4 X# F ^/ E
High percentage of recycled material and are 100% recyclable* f3 Z) I& t" b a
Disadvantages T8 k) S" L6 |9 \5 U6 `
Rusting (require maintenance to prevent corrosion) # i" L& ?- {$ g' Y4 VCopper and lead roofs can be targeted by metal thieves7 k6 B- E6 S9 k2 ?7 |7 U9 p
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure- w. \# W- P0 A" U3 h2 x7 N
Cellular and radio reception may be negatively impacted
Metal roof ?? ; \( C; W/ H$ Lwhat's going to happen in a hail storm, will it be very loud ??? - d( o% K/ G: L+ kSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * o' T1 m; Y. s; }( BMetal roof ??1 y& t, F4 U) m& X
what's going to happen in a hail storm, will it be very loud ???# [; C; m( y( J1 V
Summer raining seas ...