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小黄 发表于 2012-3-13 13:08 4 b8 ^0 C9 V: }! h& t
我所知的4种常见外墙:+ F3 o+ @, L2 x! T z5 `( j
1)Vinyl Siding 最便宜,最不防火。
5 p0 Q- ] H1 c$ d `2)Hardi Board 看上去比 Vinyl Siding 宽 ... + l1 {5 {$ ?. I! K1 n
Acrylic + insulatuion is called exterior insulation and finishing system (EIFS), 10 to 20 years ago used more in Californina, but got lawsuits against the contractors. The reason was the inevitable cracking around the windows, doors, will elad to water moisture in, and then stay with the wood structure forever since the acrylic finish will not allow water going out. This is different from Potland cement stucco with small cracking on the surface working as breathing channel.1 |- a2 c# T0 p
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This is not new technology, just Edmonton is somehow backward in building construction. Do not know the consequneces applied in this extrem cold and hot weather between summer and winter., U* E) r. y- O. ^2 ?" H( V
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