It depends on the kind of products, asphalt singles can be 25-45 years, warranty by manufacturers, materials only. . K9 l: e) f3 l. x0 C0 nLabour, usually 1 year service provided by builder.
ceramistpalace 发表于 2013-1-10 18:23 9 t1 X0 a2 {( s* O( x- t' VIt depends on the kind of products, asphalt singles can be 25-45 years, warranty by manufacturers, m ...