The Schluter Kerdi Coll-L Waterproof Sealant Adhesive is a 1.85kg tape designed for installation, particularly in wet areas like showers, bathrooms, pools, and wetrooms. Made of Schluter Keba Tape, this grey sealing tape is part of the Schluter system series and is known for its waterproof and adhesive features. It is suitable for both residential and commercial use on floors, walls, kitchen and bathroom backsplashes, indoor and outdoor areas, and even pool surfaces. This German-manufactured product provides a reliable solution for sealing and waterproofing various surfaces in different settings.