It depends on the kind of products, asphalt singles can be 25-45 years, warranty by manufacturers, materials only. 9 p3 R# L& D' P5 M6 `7 F) {% y1 kLabour, usually 1 year service provided by builder.
ceramistpalace 发表于 2013-1-10 18:23 # ]/ j. l3 O$ C
It depends on the kind of products, asphalt singles can be 25-45 years, warranty by manufacturers, m ...