Advantages . e' g' j4 ]. EVery durable in cold weather , A4 n, ?( S: r* O& {% |, v5 xHigh percentage of recycled material and are 100% recyclable3 w1 c6 ^9 Q: U! Z- j; Q4 f" t
Disadvantages / ?- g# ~. j5 y1 \( CRusting (require maintenance to prevent corrosion) * A2 V5 D, b1 f" Q8 v/ P. v1 i9 fCopper and lead roofs can be targeted by metal thieves8 |) x% `( L6 E
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure+ ?& B# \- S5 {/ }& |- L
Cellular and radio reception may be negatively impacted
Metal roof ?? , V4 M1 Y5 B# D# q, z: h( nwhat's going to happen in a hail storm, will it be very loud ???/ f, h+ ~: m4 t; q9 g7 T. Z
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ! ]" h N- P2 r. l# N2 C
Metal roof ?? 2 E+ k( O! d/ ~# T- dwhat's going to happen in a hail storm, will it be very loud ???6 F5 X f3 q2 e$ c* T1 m
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ) ]2 X' Z+ N) ^7 t1 Z$ mMetal roof ??6 k- z5 s8 k" V' Y# z" a& f1 N
what's going to happen in a hail storm, will it be very loud ???. }+ G$ y4 K( w; q, O% t& \4 e
Summer raining seas ...
% J2 O6 A" M5 j/ [5 Cthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.