Advantages9 e9 r' X! R6 F6 w. \
Very durable in cold weather. K) h) ~' p4 [+ T
High percentage of recycled material and are 100% recyclable 3 |/ S/ H9 q, _Disadvantages* C4 ]3 H1 h0 p. n, k' ~% v% r; _& P
Rusting (require maintenance to prevent corrosion)) m) L3 I5 q# ?: h+ E
Copper and lead roofs can be targeted by metal thieves" H, k# W* n9 ^3 ~1 W+ b
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure- R: l' S9 H1 ]
Cellular and radio reception may be negatively impacted
Metal roof ?? " r/ t' d& W- Y- V0 o( Jwhat's going to happen in a hail storm, will it be very loud ???" c( P, z b r) [
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * J! I0 \4 Z; G- f$ f# r U1 N- `Metal roof ??" K) w$ R) z$ U$ ?
what's going to happen in a hail storm, will it be very loud ??? ; }3 [8 ?$ Q, r2 WSummer raining seas ...
icing 发表于 2014-6-7 22:36 + g* k5 g( B& V7 EMetal roof ??1 v+ Y0 G/ Q* o
what's going to happen in a hail storm, will it be very loud ??? : g5 h2 Z `6 p. r- F2 _Summer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.