Linear drains are increasing in popularity especially for homeowners who desire a curbless shower, also know as zero entry. It is a logical & perfect solution for Aging In Place homeowners. No tripping, no cleaning. Large format tile can be carried into the shower! Great option for those who desire minimalist styling.
Kerdi Line by Schluter Systems - Linear shower drain in either stainless steel or matching tile for a nearly invisible drain. Perfect for Open-Concept showers w/ no door. (http://www.schluter.com/7957.aspx)