Advantages# Z4 C5 V; L& p$ E- t9 V4 V
Very durable in cold weather ! L4 E9 E7 |; G4 d3 z8 aHigh percentage of recycled material and are 100% recyclable # g5 o+ D# `* t- O: iDisadvantages) i: ]9 D7 g& d5 x) }( t4 x) P
Rusting (require maintenance to prevent corrosion)$ C# I0 e" \# p4 s& x+ [
Copper and lead roofs can be targeted by metal thieves , Z: l( p3 t( k" IHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure& l9 R/ X; q; ~4 v& M7 k
Cellular and radio reception may be negatively impacted
Metal roof ?? ( F5 v- Q* v# F; V; o+ Lwhat's going to happen in a hail storm, will it be very loud ???+ l, p% h# ?% Q/ D3 C
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 $ W& R/ B2 w7 W. ^# m3 m: @" H
Metal roof ??' J' e! G( U9 _. C" @/ N, d/ |
what's going to happen in a hail storm, will it be very loud ???7 q/ i, D) H3 z( T2 f
Summer raining seas ...
icing 发表于 2014-6-7 22:36 & m U) ~' W4 e6 g s% p% I0 P
Metal roof ??1 u; S! {) c [0 q2 r% O
what's going to happen in a hail storm, will it be very loud ??? " J! h' ?! P. d) {4 R( ^Summer raining seas ...
2 Y/ ^3 t( a6 vthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.