Top Tips for Picking the Perfect Schluter Profile Size for Your Tile. Schluter profiles are essential for finishing and protecting tile edges, ensuring a durable and professional installation. In this video, we’ll provide tips on how to properly select the right profile size based on tile thickness. The goal is to choose a profile that is either flush with the tile surface or slightly recessed. This approach ensures the profile effectively finishes and protects the tile without becoming a wear surface or posing a trip hazard.