Advantages& m9 ?6 r9 H& T9 n
Very durable in cold weather8 w9 |) b3 b( c4 {+ Z0 e% f
High percentage of recycled material and are 100% recyclable 5 O2 y7 V- t1 h. w5 T5 wDisadvantages 7 q; P" w+ H% l8 C1 s) [# l5 wRusting (require maintenance to prevent corrosion)4 h7 f9 a; t( w+ j
Copper and lead roofs can be targeted by metal thieves/ V! U: t& Y2 h6 S
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 4 h9 m I1 B5 m$ F! A. ?( QCellular and radio reception may be negatively impacted
Metal roof ?? ; T% {. F: B1 ]+ Rwhat's going to happen in a hail storm, will it be very loud ??? ! a( V' Q5 ]0 o" s4 ?Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 , k; [' N( m' T+ x2 c/ c! Y" D/ u
Metal roof ?? - X. A, Z% d* \& @what's going to happen in a hail storm, will it be very loud ??? - Q6 j9 L2 ^% |4 RSummer raining seas ...
. t9 G, e# F8 W/ t+ G: L6 e, Vthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.