UNIFIX-S3-fast_204310_Englisch.pdf
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<h1>UNIFIX-S3-fast_204310_Englisch.pdf</h1> <p>Technical data sheet <br />UNIFIX®-S3-fast <br />Highly flexible, 2 component rapid tile adhesive</p> <p>Material number</p> <p>Package type</p> <p>Colour</p> <p>Units / pallet</p> <p>Pc/package</p> <p>204310001</p> <p>20 kg, combination container</p> <p>White</p> <p>18,000</p> <p>1,000</p> <p>Areas of application <br />For laying ceramic tiles and boards using thin-bed laying <br />Especially for laying tiles and boards on critical and ‘green’ substrates <br />for heated and unheated substrates <br />For walls and floors <br />for interior and exterior use</p> <p>Product features <br />Cementitious, 2 component rapid set adhesive <br />C2 FTE S2 after DIN EN 12004 <br />Highly flexible <br />Pot life of ca. 45 minutes <br />Open time of ca. 30 minutes <br />Can be walked on and jointed after ca. 6 hours</p> <p>Advantages <br />Tested system product <br />Enables tiles and boards to be laid on ‘green’ substrates <br />rapid construction progress <br />With decoupling effect</p> <p>Existing test certificates <br />Conformity DIN EN 12004</p> <p>SCHOMBURG GmbH & Co. KG · Aquafinstr. 2–8 · D-32760 Detmold (Germany) · Tel. +49-5231-953-00 · Fax +49-5231- 953-333 · schomburg.com <br />1/4</p> <p>21/04/2026</p> <p>Technical data sheet <br />UNIFIX®-S3-fast <br />Technical Data <br />Material properties <br />Product components <br />Base material</p> <p>Classification of the reaction to fire in accordance with DIN EN 13501-1</p> <p>2 component system <br />sand <br />cement <br />Additive <br />E</p> <p>Mixing <br />Maturing time <br />Water addition, max.</p> <p>approx. 3 minutes <br />max. 1.35 l</p> <p>Application <br />Pot life <br />Consumption pro m² and mm layer thickness <br />Foot traffic after <br />Consumption with 6mm notched trowel <br />Consumption with 8mm notched trowel <br />Consumption with 10mm notched trowel <br />Application temperature <br />Hardening time / full resilience <br />Open time <br />Layer thicknesses</p> <p>approx. 45 minutes <br />approx. 1.4 kg/m² <br />approx. 6 hours <br />2.9 kg/m² <br />3.8 kg/m² <br />4.8 kg/m² <br />approx. 5 - 25 °C <br />approx. 7 days <br />approx. 30 minutes <br />approx. 1 - 10 mm</p> <p>Processing equipment <br />Aids/tools <br />Toothed trowel <br />Stirrer <br />Trowel <br />Plastering trowel <br />Occupational safety equipment</p> <p>Preparing the substrate <br />Requirement for substrate <br />1. Load-bearing <br />2. Dry <br />3. Even <br />4. Sealed in the surface <br />5. Free of cracks <br />6. Free of adhesion inhibiting substances and laitance layers</p> <p>Preparing the surface <br />1. Prime absorbent substrates with ASO-Unigrund-GE, ASO-Unigrund-K or ASO-Unigrund-PLUS. <br />2. Prime non-absorbent substrates with ASO-Unigrund-S or ASO-Unigrund-PLUS. <br />3. Calcium sulphate screeds must be roughened and vacuumed. <br />4. Prime the calcium sulphate screeds with ASODUR-GBM if large formats are to be laid. <br />5. Heated screeds must be heated in accordance with recognised standards before installation of coverings. <br />6. Check the application substrate and determine the moisture content using the CM method. <br />7. UNIFIX-S3-Fast tiles can be laid on cement-based screeds as soon as the screed withstands loads. Concrete substrates after 3 months regardless <br />of the moisture content. <br />8. Surface irregularities in substrates that are ready to receive can be compensated for in advance with SOLOPLAN-30-PLUS, for example.</p> <p>SCHOMBURG GmbH & Co. KG · Aquafinstr. 2–8 · D-32760 Detmold (Germany) · Tel. +49-5231-953-00 · Fax +49-5231- 953-333 · schomburg.com <br />2/4</p> <p>21/04/2026</p> <p>Technical data sheet <br />UNIFIX®-S3-fast <br />Application <br />Mixing <br />1. Put the liquid component into a clean mixing bucket and mix with the powder component to produce a homogeneous, lump-free mass. <br />2. After a settling period of ca. 3 minutes, thoroughly homogenise the compound again. <br />3. Do not mix more material than can be applied during the pot life.</p> <p>Application <br />1. Spread the mixed mortar evenly across the substrate surface and comb through with a suitable notched trowel to suit the board size. <br />2. Apply the surfacing materials within the adhesive open time. <br />3. In exterior areas and continuously wet areas, ensure that there are no cavities in the bedding for the tiles and boards.</p> <p>Cleaning tools <br />Clean tools thoroughly with water after use.</p> <p>Storage conditions <br />Storage <br />Store in a frost-free, cool and dry place. At min. 5 - 40 °C for 12 months in the original canister. Promptly use opened container.</p> <p>Notes <br />Protect surfaces that are not to be treated from the effects of UNIFIX®-S3-fast! <br />When laying natural stone and synthetic stone, the product-specific properties of the coating materials (tendency to discolour, risk of curling, <br />etc.) and the laying recommendations of the manufacturer must be taken into account. We recommend carrying out trial laying! <br />Do not stir or add water to existing material that has already set in order to make it workable again. <br />In continuously underwater areas (swimming pools, containers, etc.), we recommend using UNIFIX®-S3 on SCHOMBURG waterproofing <br />materials suitable for the respective area of application! <br />Direct contact between cement mortar and magnesite screeds leads to the destruction of the magnesite screeds through a chemical reaction <br />known as “magnesite pouring”. Moisture pressure from the rear of the substrate must be prevented through appropriate measures. <br />Mechanically roughen up the magnesite substrate and prime with ASODUR®-GBM epoxy resin. While the coat is still fresh, apply plenty of <br />quartz sand with a grain size of 0.5–1.0 mm. Perform the laying work after a further waiting time of approx. 12 - 16 hours. Remove the <br />unbound quartz sand meticulously. <br />Full hardening can take several days if the weathering influences are unfavourable; protect from exposure to water and frost! <br />Direct sunlight and draughts can result in a skin forming prematurely or to the open time being shortened. <br />Pools, containers, etc. may only be filled after 28 days at the earliest. <br />The relevant guidelines (DIN, ZDB data sheets [German construction industry association]) still insist on a 28-day waiting time for cementbased application substrates. Our years of experience with UNIFIX®-S3-fast elastic thin-bed mortar have shown that non-destructive <br />placement is also certainly possible on newer substrates. For this reason, we recommend agreeing this special construction method in the <br />contract. <br />Prerequisite for tiling on ‘green’ substrates is compliance with the following criteria: The arrangement of movement joints complies with the <br />relevant guidelines. Use a notched trowel of ≥ 10 mm in order to be able to accommodate minor deformations in the substrate. Heating <br />screed constructions must generally be completed from the 21st day after laying the screed in accordance with the relevant guidelines (ZDB <br />data sheet). The earliest possible time for starting laying is after the screed is walkable, generally after ≥ 3 to 8 days. The screed must have <br />reached at least 70% of its final strength (in normal cases, after 7 days). Perform grouting with hydraulically hardening grout (e.g. <br />CRISTALLFUGE-PLUS).</p> <p>Relevant regulations <br />Planning, inspection of substrates and building site circumstances, laying, grouting and subsequent <br />care of the work must be done in accordance with the relevant DIN standards and recognised rules of <br />technology (e.g. the ZDB Data sheets of the Zentralverband Deutsches Baugewerbe e.V.(German <br />construction Association) in the latest version. <br />Observe applicable safety data sheet!</p> <p>SCHOMBURG GmbH & Co. KG · Aquafinstr. 2–8 · D-32760 Detmold (Germany) · Tel. +49-5231-953-00 · Fax +49-5231- 953-333 · schomburg.com <br />3/4</p> <p>21/04/2026</p> <p>Technical data sheet <br />UNIFIX®-S3-fast <br />Explanations <br />Conformity / Declaration / Verification</p> <p>The rights of the buyer with regard to the quality of our materials are based on our terms and conditions of sale and delivery. Our technical advice team will be happy to advise you <br />in the case of requirements that exceed the scope of the application described here. In order to be binding, a legally binding written confirmation is required. The product description <br />does not release the user from a duty of care. Lay a test area in the event of uncertainty. This version becomes invalid in the event of a new version being issued.</p> <p>SCHOMBURG GmbH & Co. KG · Aquafinstr. 2–8 · D-32760 Detmold (Germany) · Tel. +49-5231-953-00 · Fax +49-5231- 953-333 · schomburg.com <br />4/4</p> <p>21/04/2026</p>
