Advantages: G! m1 c `% n2 S7 \) f. Y
Very durable in cold weather. V! X: z9 }- ?
High percentage of recycled material and are 100% recyclable; N" M# T- A/ [! M% c
Disadvantages* y a1 `! J9 p, B/ Z5 H+ ?. _& X
Rusting (require maintenance to prevent corrosion) . `* F, P1 h6 O- g) A4 [' B3 tCopper and lead roofs can be targeted by metal thieves* ~$ E5 K0 X4 o' ~
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure, c" [2 S! Z" O ^
Cellular and radio reception may be negatively impacted
Metal roof ?? , i9 `: {# F7 Y- P5 \5 fwhat's going to happen in a hail storm, will it be very loud ??? 8 V/ L3 F' f0 T, B+ }1 kSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 0 { R/ k# l! b5 a8 ^
Metal roof ?? 1 {* H5 z/ Y& o' Iwhat's going to happen in a hail storm, will it be very loud ???. H/ s3 ]! n( P& R6 ^
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ) r3 g' H! [! W% Y7 h2 RMetal roof ?? , {# _: @6 a( u! }/ ^; Nwhat's going to happen in a hail storm, will it be very loud ???& f) w& M$ x$ a# b p) I R
Summer raining seas ...
9 d- o( V$ ^. V2 A m0 t* H% qthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.