The All-in-One Contractor Bundle is a complete waterproofing solution designed for professional tile installers, contractors, and renovators working on residential and commercial projects. This premium kit includes everything needed to ensure a reliable, watertight installation of tile surfaces in showers, wet rooms, and other high-moisture environments. It is a must-have for professionals seeking a comprehensive, high-performance waterproofing solution for tile and shower installations. Whether you’re working on new construction or remodeling projects, this kit provides everything necessary for a seamless and watertight finish. The square-notch trowel provides precise application of thin-set mortar, improving efficiency and consistency during installation. KEBA100/125 waterproofing strips accommodate movement and expansion, making them ideal for sealing joints and transitions. Made from polyethylene with a fleece-backed surface for optimal mortar adhesion, they ensure long-lasting durability. A waterproofing band is a strip used to seal butt joints and floor/wall connections with the membranes, as well as joints, corners, and fastener penetrations with the building panels. The kit includes high-performance waterproofing membrane bands (five rolls) measuring 100 mm (4") wide and 125 mm (5") wide, ideal for sealing seams, transitions, and junctions between waterproofing sheets. These strips provide flexibility and strong adhesion, preventing water penetration in tiled wet areas. The professional-grade trowel features a square-notch design optimized for spreading thin-set mortar evenly. It ensures maximum coverage and secure adhesion of waterproofing components, reducing air pockets and ensuring long-lasting results. This all-in-one kit is perfect for sealing seams, transitions, and junctions between waterproofing sheets. The included strips provide flexibility and strong adhesion, effectively preventing water penetration in tiled wet areas.