Advantages' o& k: C( w, ^( l$ p9 }
Very durable in cold weather 9 o' p/ q' q: k: W' RHigh percentage of recycled material and are 100% recyclable/ b6 `2 p, g% F9 J% Q
Disadvantages1 g, I* q6 ?* M( i: q: F+ w
Rusting (require maintenance to prevent corrosion)6 c4 F1 Q0 B; K" Y
Copper and lead roofs can be targeted by metal thieves5 l: A: O( d% u& {. q
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure+ d7 d9 Z" U7 E& d/ q
Cellular and radio reception may be negatively impacted
Metal roof ?? " t( n# x+ N7 g' M* Swhat's going to happen in a hail storm, will it be very loud ??? 2 F! ]& ^& i$ B' t, |( Q) h5 b- ^Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 4 _6 l0 C; V" B m# l9 \
Metal roof ?? - h+ m5 n. b c7 z- {what's going to happen in a hail storm, will it be very loud ??? 3 |, h. ]/ d. o, W# b6 k( bSummer raining seas ...
icing 发表于 2014-6-7 22:36 # D) y% ]: X* e5 T" K; l! f& z% H
Metal roof ?? % j5 k# O: _ \7 B$ n; Jwhat's going to happen in a hail storm, will it be very loud ??? $ ?- l8 l Q7 p* y% ASummer raining seas ...
! q! p9 u L) q1 {that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.