Protection liquid waterproofing Impermax Polyurea H Flex

damfor pipesfor bridge construction

Impermax Polyurea H Flex is a 2-component polyurea resin, which cures very fast into an elastic membrane with crack-bridging capacity. This product can only be applied by 2-component spraying equipment. Impermax Polyurea H Flex can be combined with different geotextiles to obtain on-site applied, seamless liners (Rayston Spray liners). It can be also pigmented with aluminium particles pigments to obtaing sun-reflective properties. Waterproofing of concrete structures and bridge decks. Impermax Polyurea H Flex can be completed with an additional UV-resistant coating. Roof waterproofing. Geomembrane lining for reintion basins and secondary containment structures, ponds, landfills, tunnels, canals, dam reparations, etc. To achieve a good penetration and bonding, support must be: 1.Flat and levelled. 2. Compact and cohesive (pull off test must show a minimum resistance of 1,5 N/mm?). 3. Even and regular surface. 4. Free from cracks and fissures. If any, they must be previously repaired. 5. Clean and dry, free of dust, loose particles, oils, organic residues, or laitance. Air temperature should be between 10°c and 40°C. Relative air humidity should be less than 85%. Concrete substrates must be prepared mechanically using high pressure sand or abrasion, to remove the surface and obtain an open pore. Substrates must be primed and levelled until a regular surface is obtained. Sharp irregularities are eliminated using an abrading disc machine. Eliminate all dust and loose particles from the substrate by brushing or vacuum cleaning.