Advantages - P6 n$ R' x1 ~; M/ f% IVery durable in cold weather " S1 |) L$ W1 ]+ v% r! F& iHigh percentage of recycled material and are 100% recyclable" v' U* ]# S% I! x$ h& e, ?
Disadvantages / B3 x# C3 Y3 s5 V# TRusting (require maintenance to prevent corrosion)! w/ |4 }/ o/ G2 Y9 f+ j" d- v5 ?
Copper and lead roofs can be targeted by metal thieves7 w% C3 M$ w+ X! j" A7 O! H/ Z
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 7 @) B/ r) X# V1 ?3 S4 DCellular and radio reception may be negatively impacted
Metal roof ?? & G& c; T! n, N" m; T/ wwhat's going to happen in a hail storm, will it be very loud ???& L: b, o$ [( h2 R5 B) o
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 , Y, F8 y( t( [" P' E0 QMetal roof ?? $ U3 ^. v, U/ S0 X+ C1 S8 swhat's going to happen in a hail storm, will it be very loud ??? 0 g- n0 M- ]" x- {7 \2 XSummer raining seas ...
icing 发表于 2014-6-7 22:36 9 v, [! g2 \' g3 S) V" P' [
Metal roof ?? ( [1 s9 @ n, Q& o* ]/ {2 ~what's going to happen in a hail storm, will it be very loud ??? 1 q4 ]& r8 b; w& m! |9 ~Summer raining seas ...
8 o+ M' M9 P$ |# |/ sthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.