Best practices from Bathroom Remodeler #1 in Santa Monica. Linear Drainage System: A linear drainage system is a sleek and modern alternative to traditional round drains. It is a long, narrow channel that runs along the shower floor and is covered by a grate. This system is not only visually appealing but also practical as it allows for faster water drainage and easier cleaning. Ask the General Contractor for more best practices in Los Angeles. Call, text or mail. Just click the link.