Description Product Overview Mapei Mapegum WPS is a one-component, solvent-free liquid waterproofing membrane designed for internal applications such as bathrooms, showers, laundries, and kitchens. It is supplied as a ready-to-use paste based on synthetic resins in water dispersion, allowing easy application to walls and floors prior to tiling. The membrane forms a flexible, elastic barrier after drying, capable of accommodating normal substrate movement while maintaining waterproof integrity. It is designed for use on a wide range of substrates including concrete, screeds, plasterboard, timber, and existing tiles. Mapei Mapegum WPS is suitable for areas not subject to permanent immersion or rising damp and is widely used in residential and commercial wet area systems. Key Features Ready-to-use, one-component waterproofing membrane Fast drying – ready for tiling in approximately 12–24 hours Flexible with elongation greater than 300% No reinforcement required in standard applications Solvent-free with very low VOC (EC1 Plus) Excellent adhesion to a wide range of substrates Suitable for walls and floors in internal wet areas Easy application by roller, brush, or trowel Applications Waterproofing bathrooms, showers, and wet areas Preparation of kitchen floors, walls, and benchtops Waterproofing prior to ceramic tile and stone installation Use over plasterboard, renders, screeds, and concrete Application over existing tiles in renovation projects Internal waterproofing systems not subject to permanent immersion Notes Technical Specifications: Type One-component liquid waterproofing membrane Base Synthetic resin dispersion Consistency Paste Colour Light grey Density Approx. 1.45 g/cm³ pH Approx. 9 Dry Solids Content Approx. 73% Elongation >300% Drying Time (2 mm @ 23°C) Approx. 5 hours Recoat Time Approx. 1–2 hours Ready for Tiling 12–24 hours Consumption Approx. 1.5 kg/m² per mm thickness Application Temperature 5°C to 35°C VOC EC1 Plus (very low emissions) Packaging 5 kg and 20 kg drums Shelf Life Approx. 24 months (sealed, frost-free) This membrane is designed for trade applications requiring a fast, reliable waterproofing system prior to tiling. Its ease of use and rapid drying make it suitable for both new builds and renovation projects where efficient turnaround is required. Technical Information Technical Specifications: Material: forged and hardened steel Finish: nickel plated Design: dual-end pry bar with nail slots Application: moulding and trim removal Net weight: 8 oz (approx. 226g) This tool is designed for controlled removal work where maintaining the condition of surrounding materials is important. Its slim profile and specialised nail slot design improve efficiency while reducing the likelihood of damage during flooring preparation tasks. Related Links & Resources Technical Data Sheet Safety Data Sheet Explore our Mapei Range
