Advantages0 S1 a3 | W& K0 k3 L
Very durable in cold weather, i4 I3 \2 t8 i; _1 Y; D
High percentage of recycled material and are 100% recyclable * C2 ]3 q8 p! T$ M% q! I' m) QDisadvantages: E: Z q ^) z# N; v
Rusting (require maintenance to prevent corrosion)0 k1 Q% Y( f5 b% E# ~' \
Copper and lead roofs can be targeted by metal thieves3 M4 @+ O4 z- [4 _
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ! _* S8 n/ e" P pCellular and radio reception may be negatively impacted
Metal roof ??8 R; L' H% J7 S; o) |& u$ g
what's going to happen in a hail storm, will it be very loud ???$ p) l& f. C4 H7 p% o' @2 R: B
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 1 b; d5 S3 K0 O* M8 u; Y
Metal roof ??* m* B! \0 x4 b0 k2 H$ B" g% s- Z
what's going to happen in a hail storm, will it be very loud ??? 2 r9 X _- G, \& |- XSummer raining seas ...
icing 发表于 2014-6-7 22:36 2 _' X y) u |% G
Metal roof ?? * i; G b( C6 }7 w, e' V: K7 w6 ?3 Mwhat's going to happen in a hail storm, will it be very loud ???$ O7 B' |6 T: W; `
Summer raining seas ...
: m0 ?+ m8 b% a. d; O( l6 `
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.