The residential construction industry is all about one trendy material this year, as evidenced at the annual Providence expo.

Around for 15 years, one popular new decking material is a composite made out of crushed limestone ... because they want to use them for floating docks, where the 16-inch boards were just too ...

and to build more durable floating docks. Why it matters: New composite materials are offering more expensive decking and building materials that offer the prospect of lasting a lot longer than ...