Advantages + G- r: T6 u% d. hVery durable in cold weather % A0 r9 f+ B4 v' uHigh percentage of recycled material and are 100% recyclable# o# m" ]% }% q) c# P
Disadvantages 9 S | {7 B+ G/ C6 uRusting (require maintenance to prevent corrosion)3 h, F5 D! P! C1 m$ o6 O1 u0 A0 ?. l
Copper and lead roofs can be targeted by metal thieves7 @$ T7 r1 q9 T- Y% f8 P
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ' H% o4 s+ a, D& x/ h9 y. t, D9 gCellular and radio reception may be negatively impacted
Metal roof ?? 6 j/ P l) W2 S% L% i* L; _what's going to happen in a hail storm, will it be very loud ???% ]8 A5 K( n) {9 }$ i. J! H0 A: u! m
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 % l) x' X( Y0 [) [( |( l% T7 D. z4 uMetal roof ??+ }" b `6 C+ {
what's going to happen in a hail storm, will it be very loud ???+ ]3 \4 L7 q+ c, x
Summer raining seas ...
icing 发表于 2014-6-7 22:36 & j+ V/ F5 D' x5 zMetal roof ??6 v9 a L$ D5 I X. ~ N5 [* c3 Y
what's going to happen in a hail storm, will it be very loud ??? * K) X. b) `$ a7 L" b. NSummer raining seas ...
& I3 {2 L( v5 M2 `& k4 k
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.