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Syntech Poliurea Top Coating A protective, pigmented, two-component formulation based on aliphatic polyurethane resins, ideal as a protective and aesthetic coating on waterproofing with SYNTECH POLIUREA SPRAY. Characterised by high levels of elasticity and elevated protection, even in aggressive atmospheres. Available on request in shades from the RAL colour range. Surface coating pigmented for colouring polyurethane claddings, and their protection from UV rays (which in the absence of the top coating would alter the colour over time). After suitable priming with SYNTECH POLYUREA PRIMER, it can also be applied as a simple coloured aliphatic protective coating. Polyurea support Vacuum and blow the surfaces to eliminate any dust that may have accumulated in the 24-48 hours following the installation of SYNTECH POLIUREA SPRAY Support in concrete, mortar, brick, tiles The support on which the polyurea system must be laid must be suitable for withstanding the stresses resulting from the intended use, such as static or dynamic loads, impacts, thermo-hygrometric dilations, vibrations, etc. As regards the characteristics of the substrate (maximum humidity, cohesion, strength class, flatness, etc.) and the preparation of the surface that will accommodate the resin system, we recommend the requirements set out in chapter 5 of the UNI 10966 standard ("RESIN SYSTEMS FOR SURFACES HORIZONTAL AND VERTICAL - INSTRUCTIONS FOR DESIGN AND APPLICATION "). In any case, carefully clean and degrease the surfaces, removing any kind of dirt, paint residues or incoherent parts. The humidity of the support must be <= 3%. Evaluate the most convenient type of mechanical preparation (shot peening, sandblasting, hydro-washing, etc.). The surfaces must also be free from discontinuity, and possibly leveled and regularized with products from the FLOOR line or the REPAR line. In case of presence (even suspected) of humidity deriving from capillary rising from the substrate, it is recommended to apply in advance the epoxy resin for "wet substrates" Syntech Pavidamp. Tiled floors, or floors covered with pre-existing resin, must be subjected to mechanical roughening carried out with shot blasting, milling, bush hammering, etc., until the total elimination of the waterproof crust and the opacification of the surfaces. Remove dust after abrasion. It is recommended to use Primer from the SYNTECH POLIUREA PRIMER range. On particularly absorbent substrates, to avoid the formation of craters / blowholes on the surface of the freshly sprayed product, it is recommended to use primers from the SYNTECH POLIUREA PRIMER range, always contacting the Azichem technical staff for clarification on the most suitable type to use. Apply several layers of primer until the porosity is saturated and providing a light dusting with clean and dry quartz sand (0.4-0.7 mm). Never dust off the primer. Provide suitable elastic sealing systems to cover joints, fittings, cracks or fissures subject to significant movements. Pour component B with component A into a single container, taking care to remove all the material from the packaging. Mix thoroughly with a mixer at low revs, until a lump-free mixture is obtained. Apply with a roller or brush on the surfaces of SYNTECH POLYUREA SPRAY, within 24-48 hours of spreading the latter. A thorough sanding of the supports is recommended for any repairs and/or finishes. From 0.15 to 0.25 kg of SYNTYECH POLIUREA TOP COATING for each square metre of surface to be covered. Can 6.7 kg [A] - Can 3.3 kg [B] - Kit: 1 Can 6.7 kg [A] + 1 Can 3.3 kg [B]

Repar Tix HG SB Thixotropic, structural, fibre reinforced cement mortar, with compensated shrinkage, with high intrinsic water tightness, and extraordinary physical and mechanical characteristics: adhesion, compression resistance, flexural strength, abrasion resistance, etc. Perfect for remediation of structural works and articles in degraded concrete and very high-performance coatings. Repar Tix HG SB, in addition to normal manual application techniques, it is a structural mortar specially formulated for applications with pumping/spray machines (wet spritz-beton technique). Particularly optimized parameters are: rheology, thixotropy and workability of the product, which allow spraying operations with reduced wear of the mechanical parts and little waste on the ground. Rheoplastic, thixotropic, structural, composite cement mortar, based on special cements and selected siliceous aggregates, reinforced with a balanced mixture of READYMESH polypropylene fibres and calcium metasilicate microfibres, added with specific agents and a high content of silica fume. After hardening, it provides very high performance in terms of intrinsic water tightness, resistance to washing and hydrolysing, mechanical strength, abrasion and cavitation, anti-carbonation, chemical-physical stability, resistance to harsh atmospheric agents and to leaching water. It has three-dimensional fibre-reinforcement, provides high hold; it is dimensionally stable (compensated shrinkage). The product can be supplied in mono-component or two-component version. The product, in the monocomponent version, is mixed with water (approx. 16% of the weight of the bag). In the two-component version, the product is mixed by adding the 4.5 kg of component B. The two-component version increases adhesion to the support and reduces free shrinkage to air, especially in the initial hardening phases and in particularly hot climates, without modifying the physical-mechanical characteristics of the end product. Repairs and protective coatings of hydraulic works (pipelines, dams, tunnels etc.), marine structures and artefacts in critical situations: aggressive chemical-physical agents, leaching water, marine atmosphere, etc. Specific for shotcrete interventions in galleries, tunnels, rock walls, irrigation and hydraulic channels, piles and micropiles, diaphragms, etc. Application surfaces should be clean, free of soiling, crumbling and non-adhering parts, dust, etc., conveniently saturated with water until they reach the condition "saturated with dry surface". An adequate roughening of the surfaces by scarifying, sandblasting etc. is always necessary in order to obtain the maximum adhesion values to the substrate. The optimal values are obtained with high pressure hydro-scarification. Bare the irons undergoing disruptive oxidation or deeply oxidized, removing the rust of the exposed irons (by sandblasting or abrasive brushes). The use of pumping/spraying machines specifically designed to be used with fibre-reinforced structural mortars is recommended. For the spraying of structural mortars such as Repar Tix HG SB, an effective and sometimes prolonged mixing of the product, which must take place upstream of the pumping circuit, is always recommended. For this reason, the use of “plaster sprayers” with volumetric water dosage is not recommended. Pour about 2/3 of the mixing water into the mixer, add Repar Tix HG SB and the remaining water; continue to mix until a homogeneous lump-free mixture is obtained. The mixing water should be about 16% of the weight of the bag. Addition of Bond HG to the mixing water, (approx. 0.5 litres per 25kg bag of product) in the single component version, allows further improvement in terms of adhesion, hold, impermeability, workability, modelling and deformation capacity. In the case of use of the product in the two-component version, pour component B (liquid) into the mixer, gradually adding component A (powder) and mixing until the lumps are completely eliminated. For high coating thicknesses, static requirements, monolithic requirements, etc., performed with Repar Tix HG SB, it is advisable to use suitable metal reinforcements (electro-welded mesh, cages, etc.), anchored to the support with Syntech Profix, GROUT MICROJ, Repar Tix G2. Approximately 18,5 kg/m² of Repar Tix HG SB for every centimetre of thickness to be implemented (approximately 1850 kg per cubic metre). Bag 25 kg - Pallet: 50 x (Bag 25 kg)

Syntech HAG Stabiland Product consumption depends on the size of the void volume to be filled and on the expansive reaction that is triggered after mixing the two components in relation to the amount of water present. Can 21.5 kg [A] - Can 24.5 kg [B] - Kit: 1 Can 21.5 kg [A] + 1 Can 24.5 kg [B]

Syntech HAG Acryl Syntech HAG Acryl is a four-component resin that reacts to form an elastic and durable gel. The properties of Syntech HAG Acryl are: • Good general chemical resistance. • Does not contain acrylamide, methacrylamide, formaldehyde or solvents. • Not inflammable. • Excellent adhesion on mineral building materials such as concrete, cement and bricks. • The reaction speed can be adjusted from a few seconds to several minutes. • When the injected cracks dry out due to temperature or groundwater level fluctuations the gel does not crack easily. • The hardened gel has excellent durability in wet-dry cycles. Syntech HAG Acryl components are supplied ready to use. Create 2 mixes in separate plastic buckets. Prepare only the quantity to be used each time. Solution 1: Syntech HAG Acryl component A (25 kg resin) mixed with Syntech HAG Acryl component B (2.5 kg catalyst). Solution 2: Syntech HAG Acryl component C (2 packs of 0.625 kg) mixed with clean tap water. Attention: The amount of water must be equal in volume to solution 1. When mixing resin, always use a wooden or stainless steel spatula. The reaction time depends on the temperature of the material, the structure of the building and the possible amount of water present. Higher temperature will speed up the reaction time and lower temperature will slow it down. It is advisable to carry out an on-site test, before injection, to observe and define the reaction time. To change the reaction time, only adjust the amount of Syntech HAG Acryl component C. The amount of the other components remains the same. Use a two-component stainless steel pump (manual, electric or pneumatic). Check that the pump and equipment are clean and that there is no residue from previous injection work. The two mixtures are fed into the pump separately, but are mixed homogeneously at a volumetric ratio of 1:1 in the pump's mixing head, before being injected through the pump nozzle. Check the quality of the concrete, as injection involves pressure. Sealing and waterproofing of cracks and cavities in walls, floors, concrete constructions, underground structures, etc. It can be used in constructions that are not permanently in contact with water (fluctuating groundwater level). Injection of very fine cracks. Determine the type and size of packers based on your pump and injection type. If reinforcing steel is present, try to locate it and plan the drilling pattern so that the reinforcement is not drilled. Drill holes at an angle of approximately 45° or less and in the direction of the crack. Make sure the hole goes through the crack. The distance of the drilled holes depends on the width of the crack. Place the packer in the hole. Prepare the pump to start the injection. The injection pressure varies depending on the structure and size of the crack. Start the injection at the lowest point of the crack. Continue injecting until resin flows out of adjacent packer(s). This is necessary to achieve uniform distribution of the material. Stop pumping, unplug and move on to the next packer. Continue the procedure until the crack is completely filled. After the material has cured, the packers can be removed. Holes drilled can be covered with Repar Tix Speedy HP quick-setting mortar. Clean and rinse the pump equipment with water whenever there is a stoppage longer than 15 minutes and, after completing the injection, rinse with a sufficient amount of water. Make sure the pump is clean and stop only when clean water comes out of the pump. The consumption of the product depends on the size of the empty volume to be filled. Can 25 kg [A] - Plastic can 2.5 kg [B] - Canister 0.625 kg [C] - Canister 0.625 kg [D] - Kit: 1 Can 25 kg [A] + 1 Plastic can 2.5 kg [B] + 1 Canister 0.625 kg [C] + 1 Canister 0.625 kg [D]