Sprayman – SL-490 – Cold Polyurea Liquid Membrane

SL-490 is a two-component, hand-applied, solvent-free cold polyurea based liquid waterproofing membrane developed for general waterproofing, protection and sealing purposes.

• Fast cure and service time
• Cold applied and self-leveling
• Solvent free
• Aromatic
• Monolithic application with no laps, welds or seams
• Obtains large thickness in a single layer
• Easily applied with roller, notched trowel or spreader
• Excellent mechanical properties
• Excellent adhesion to substrate
• Highly elastic membrane
• Thermoset – does not soften at high temperatures
• Suitable for low temperature applications

• Walkable floors
• Terraces, balconies and verandas
• Metal roofs
• Waterproofing indoor applications (wet rooms, kitchens and bathrooms)
• Tiles (under)
• Polyurethane insulation foams
• Asphalt membranes

• Tack free time: 150 min
• Tensile strength: 7–8 N/mm²
• Elongation: 350–400 %
• Hardness: 65 Shore A
• Consumption: 0.23 lb/ft² (for 1 mm thickness)
• Shelf life: 9 months
• Packaging: 47.6 lbs / set (44.1 + 3.5)
• Colors: Various RAL colors