⚠️ This item is only available for pickup. ACTFLEX 929 SL is a high-performance, high-solid polyurethane liquid waterproofing membrane designed for both horizontal and vertical applications. Its unique formulation combines self-levelling properties with medium non-sag characteristics, ensuring superior coverage and thickness in critical areas. Ideal for rooftops, external wet areas, and internal wet areas, it provides a seamless finish with consistent thickness throughout the application. Waterproof Time: 24 Hours Coverage: As a guide ACTFLEX 929 SL 15ltre (19.5kg) pail will cover approximately 2 coats of 8-10m2. Usable period after opening: 24 Hours Touch dry time minimum: 8-12 Hours Application Temperature: 10°C-26°C Shelf Life: 12 months in unopened containers Membrane Classification: Class III Colours: Grey Tack Free Time: 12 Hours at 25°C and 50% R.H Recoat Time: 24 hours and a maximum,of 48 hours at 25°C and 50% R.H. Elongation at Break: >600% Recommended Thickness: 1.2mm Full Cure: 48 Hours at 1.2mm DFT in an aerated area at 25°C 50% RH Chemical Base: Solvent-based Cure Mechanism: Moisture-cure Solid Contents: 85%(+/-2%) Density: 1.1-1.3g/cc Downloads Technical Data Sheet Safety Data Sheet