本帖最后由 K歌 于 2014-6-7 12:15 编辑 O. j) T8 U h
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被风掀下一块可以杀人于无形。风大的地区应该不好不适合。还有金属导热快,冬冷夏热是免不了的,夏天万一要上roof维修还有烫伤的危险,夏天摸摸你的车子。遇上雷电那就更过瘾了。+ h# ?- \" I, Y/ b5 e
Advantages ) G+ W I; v; E m. PVery durable in cold weather 0 P8 a2 P! v1 P9 s6 u- VHigh percentage of recycled material and are 100% recyclable/ k0 W( y r, q) f6 K
Disadvantages ; t+ Q+ l2 y) \6 V, ORusting (require maintenance to prevent corrosion)9 \( X# ~0 q4 W
Copper and lead roofs can be targeted by metal thieves 8 N2 _& q8 `/ D& M- HHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure& C* w( _' A; e' \! b
Cellular and radio reception may be negatively impacted
Metal roof ?? : ^5 [2 F, A3 P5 O8 P4 gwhat's going to happen in a hail storm, will it be very loud ??? 4 z$ c; x7 A. \' f7 KSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 % ?4 Y5 \( o$ H, w7 ? X6 u2 }
Metal roof ?? ( q" L6 p; A) N4 V6 m5 S7 @! wwhat's going to happen in a hail storm, will it be very loud ??? 5 }5 v, @; j2 `" |& y& X$ N, mSummer raining seas ...