AQUAMAT-FLEX is a two-component, flexible waterproofing slurry consisting of a cement-based powder mortar (component A) and an emulsion resin (component B). After hardening, it forms a seamless, jointless membrane with the following advantages:
- Crack-bridging ability.
- Total waterproofing against positive hydrostatic pressure up to 5 atm according to EN 12390-8. It can also withstand negative pressure.
- Vapor permeability.
- Suitability for potable water tanks, as well as food contact surfaces, according to W-347.
- Protection of concrete from carbonation.
- No corrosive effect on the reinforcing steel in concrete.
- Resistance to aging.
- Bonding to wet surfaces without priming.
- Simple and low cost application.
Certified according to EN 1504-2 and classified as a coating for surface protection of concrete. Ce marked. Certificate No.: 2032-CPR-10.11. AQUAMAT-FLEX has received an ENVIRONMENTAL PRODUCT DECLARATION (EPD) following an assessment of its life-cycle environmental impacts. Registration No: S-P-06177, The International EPD System. It is used for waterproofing surfaces made of concrete, plaster, bricks, cement blocks, terrazzo, etc. that show or are expected to show hairline cracks. Ideal for application on terraces, rooftops, balconies and damp areas to be covered with tiles (bathrooms, kitchens), inverted roofs, underground reservoirs, flower stands, etc. It can also be used for waterproofing basements, internally or externally, against humidity or water under pressure.
Application
The whole content of the 25 kg bag (component A) is added to the 8 kg of the liquid component B under continuous stirring, until a uniform, viscous mixture is formed, suitable for brush application. The entire surface of the substrate should be well dampened, but without ponding water. The material is applied by brush in two or more layers, depending on the water load. Layers thicker than 1mm should be avouided, because the material may crack. Each new layer is applied after the previous one has dried. The freshly coated surface should be protected from high temperatures, rain and frost. In case AQUAMAT-FLEX needs to be locally reinforced (inside corners where forming fillets is not necessary, at junctions, etc.) the use of a 10 cm wide strip of polyester fleece (30 g/m2) or fiberglass mesh (65 g/m2) is recommended.
Substrate preparation
- The substrate must be clean, free of oil or grease, loose material, dust, etc.
- Water leaks should be plugged with AQUAFIX ultra rapid-setting, cementitious leak-plugging mortar.
- Any cavities on concrete surface should be filled and smoothed out with DUROCRET, RAPICRET or a cement mortar improved with ADIPLAST, after all loose aggregate has been removed and the surface has been well dampened.
- Started bars and wooden molds should be cut to a depth of about 3 cm into the concrete and the holes should be sealed, as described above.
- Existing construction joints are opened longwise in a V shape to a depth of about 3 cm and are subsequently filled, as above.
- Corners like wall-floor junctions should be filled and smoothly rounded with DUROCRET or a cement mortar improved with ADIPLAST (formation of a fillet, triangular in cross section, with sides of 5-6 cm).
- In case of masonry walls, joints should be first filled carefully; otherwise, it is recommended.
