Advantages , |/ j1 n; a0 wVery durable in cold weather( R% l/ I9 j( ~7 D7 d* U6 i
High percentage of recycled material and are 100% recyclable 4 |! M$ l8 P9 E: Y% R$ O1 k/ wDisadvantages : Y* a# m4 j r \Rusting (require maintenance to prevent corrosion)$ _+ o# M8 H/ ~4 n2 H
Copper and lead roofs can be targeted by metal thieves 9 d9 ?& k! C: A+ eHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure5 ]3 I' O& U) w2 S
Cellular and radio reception may be negatively impacted
Metal roof ??) x. @7 t& `; b
what's going to happen in a hail storm, will it be very loud ???& `, b) A0 y( w4 u. F4 P( ^6 W
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 & F( M$ S9 l) [8 g& Q8 R# e
Metal roof ?? + a; j/ m2 n; N& G2 [" @/ H7 fwhat's going to happen in a hail storm, will it be very loud ???& ] l' z" } s; E2 S! t
Summer raining seas ...
icing 发表于 2014-6-7 22:36 e' i! w* S& d0 bMetal roof ?? * j) v f; u. b4 owhat's going to happen in a hail storm, will it be very loud ??? 6 d) d. O# _" w9 M* aSummer raining seas ...
) O8 O& p6 S/ X: ^! |& X; Q) @that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.