Advantages ( b- t6 g3 s& {) EVery durable in cold weather . f9 Q( m1 c& lHigh percentage of recycled material and are 100% recyclable" @( B# l% L1 X, ^4 I1 X
Disadvantages 8 M3 M0 D* Q& ~5 g2 J/ r4 WRusting (require maintenance to prevent corrosion) 4 N+ \! e3 q C3 q; uCopper and lead roofs can be targeted by metal thieves * _) ?; b* R3 L. r' [High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure2 ~; [# ~( Q' l
Cellular and radio reception may be negatively impacted
Metal roof ??+ w$ L# ]4 u. O) T9 R, U
what's going to happen in a hail storm, will it be very loud ??? $ b3 y! Y' o+ ?% x: L# B- pSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 T% r. a) z% M; d* K( C: q) R% I* @Metal roof ?? + e. N! F+ Z- I9 W6 j4 Swhat's going to happen in a hail storm, will it be very loud ??? 1 E. u0 s# X) f; u& |+ W( VSummer raining seas ...
icing 发表于 2014-6-7 22:36 . [! T% w) r( y0 [& }; WMetal roof ??" `7 q1 |) y! e# ^$ m! I( P X
what's going to happen in a hail storm, will it be very loud ??? * t% V8 K% t3 \1 _) GSummer raining seas ...
4 \3 t7 k( x9 e' e% R/ L9 Nthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.