Advantages $ i d+ c, y( ~+ N& oVery durable in cold weather; O: b. v: a8 o
High percentage of recycled material and are 100% recyclable E' A7 P2 N5 m2 V4 [Disadvantages 0 v g+ t0 E- Y- uRusting (require maintenance to prevent corrosion) 4 `, \0 G. N" u7 R8 c! kCopper and lead roofs can be targeted by metal thieves. C" j) u* f5 N l: U# ^2 G, ~3 U5 Q, L
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure! \. m5 ?7 x5 R: q6 p$ z$ w$ S
Cellular and radio reception may be negatively impacted
Metal roof ?? 9 F' a$ n* O U2 u# @8 }, K( zwhat's going to happen in a hail storm, will it be very loud ???* q' r" j6 {9 l4 B% f$ V( C
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 v3 ^/ t1 ]1 d/ p. ]/ ]
Metal roof ?? / ?: a$ b) i/ | M+ F6 ^/ ~what's going to happen in a hail storm, will it be very loud ???! N5 ?3 c0 j# j. S3 ^7 K0 U. @
Summer raining seas ...
icing 发表于 2014-6-7 22:36 5 ^; V* J# D8 f8 q% b' Y5 ?
Metal roof ?? ) s2 G% u3 N9 G0 {4 M2 p' P, H" X. Ywhat's going to happen in a hail storm, will it be very loud ???) F8 D& G8 _8 _; P q3 f# E2 p$ b
Summer raining seas ...
% V# L; O2 a& M0 m: C n- c, R8 [
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.