UNIFIX-S3 NEW Technical Data Sheet EN 2218.pdf
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<h1>UNIFIX-S3 NEW Technical Data Sheet EN 2218.pdf</h1> <p>SCHOMBURG GmbH & Co. KG <br />Aquafinstrasse 2–8 <br />D-32760 Detmold (Germany) <br />phone + 49-5231- 953-00 <br />fax + 49-5231- 953-108 <br />email export@schomburg.de <br />www.schomburg.com</p> <p>Technical Data Sheet</p> <p>UNIFIX®-S3</p> <p>Art. no. 2 04330</p> <p>Highly-flexible tile adhesive</p> <p>EN 12004 <br />UNIFIX-S3 <br />Normal-hardening, cement-based mortar <br />for tiling and board-laying work <br />in interior and exterior areas</p> <p>1200</p> <p>4</p> <p>ry</p> <p>io n</p> <p>EN</p> <p>ve</p> <p>SCHOMBURG GmbH & Co. KG <br />Aquafinstraße 2–8 <br />D-32760 Detmold <br />18 <br />2 04330</p> <p>C2</p> <p>TE</p> <p>S2</p> <p>IFIX-S3 <br />UN</p> <p>l o w e m iss</p> <p>TILE</p> <p>C2 <br />Reaction to fire: <br />Class E <br />Bond strength as <br />Tensile adhesion strength after dry storage: ≥ 1 N/mm² <br />Bond strength as <br />Tensile adhesion strength after water storage: ≥ 1 N/mm² <br />Tensile adhesion strength after warm storage: ≥ 1 N/mm² <br />Tensile adhesion strength after <br />alternating frost/thaw storage: <br />≥ 1 N/mm²</p> <p>• Highly-flexible special tile adhesive <br />• For critical substrates and high stresses <br />• Can also be used on new substrates <br />• Waterproof and frost-resistant <br />• Vapour permeable <br />• For interior and exterior areas <br />• In accordance with DIN EN 12004, C2 TE S2 <br />Areas of use: <br />UNIFIX-S3 is used as a thin-bed mortar, particularly for <br />laying vitrified tiles with low water absorption ≤ 0.5 % <br />(porcelain stoneware), stoneware, clinker, and mosaic <br />on new cement-based substrates. Thanks to the high <br />deformability of UNIFIX-S3, damaging shear stresses in the <br />covering can be largely compensated for. UNIFIX-S3 may <br />be adjusted with the addition of water for non-slump or <br />flowing bed consistency.</p> <p>Thanks to its high elasticity, UNIFIX-S3 reliably absorbs <br />high stresses, for example those that occur between <br />substrates and surface in exterior areas or when laying <br />on new, walkable cement-based screeds (approx. 3 days <br />after being put down) and heated screeds. <br />The vapour permeability of UNIFIX-S3 guarantee that <br />cement-based substrates that are still moist will dry out <br />properly, even when laying is carried out early. The <br />obligatory heating of the screed before laying ceramic <br />materials can be omitted. <br />When laying natural stone materials, the productspecific properties of the natural stone, and sensitivity <br />to discolouration and curling effects must be taken into <br />account. <br />UNIFIX-S3 is a system component of the bonded tiled <br />waterproof system AQUAFIN-TBS. UNIFIX-S3-fast is <br />suitable on mineral and dispersion-bound SCHOMBURG <br />bonded waterproof systems in the wear classes A, B, A0, <br />and B0 and water influence classes W0-I to W3-I, W1-B, <br />and W2-B. <br />UNIFIX-S3 is suitable for use in interior spaces according <br />to the AgBB evaluation diagram (committee for health <br />hazard evaluation of building products, French VOC <br />Directive, and Belgian Royal Decree C-2014/24239. <br />Very low emissions in accordance with GEV-EMICODE, <br />which normally results in positive evaluations within the <br />scope of building certification systems in accordance with <br />DGNB, LEED, BREEAM, HQE. <br />Maximum quality level 4, line 8 in accordance with <br />DGNB criteria “ENV 1.2 Risks to the local environment”.</p> <p>UNIFIX-S3 is particularly well suited to use on balconies <br />and terraces, in swimming pools and containers, on <br />heated constructions, on new, load-bearing, cement-based <br />substrates, and for laying tiles and boards with low water <br />absorption.</p> <p>1/4</p> <p>22/18</p> <p>Technical data: <br /> <br />A component <br />B component <br /> <br />Powder component Liquid component <br /> <br />UNFIX-S3 UNIFLEX-F <br />Basis: aggregate, <br />liquid polymer <br />cement, additives <br />Colour: grey white <br />Mixing <br />ratio: <br />3 parts by weight 1 part by weight <br />Packaging: <br />15 kg sack + 5 kg canister <br /> <br />25 kg sack + 8.33 kg canister <br />Storage dry, <br />frost-free, <br />12 months in the original unopened <br />container <br /> <br />UNIFIX-S3 (combined product) <br />Mixing ratio: <br />Non-slump 15 kg A-comp. (powder): 5 kg <br />B-comp. : up to 0.25 l water <br />25 kg A-comp. (powder): 8.33 kg <br />B-comp. : up to 0.40 l water <br />Flow bed: 15 kg A-comp. (powder): 5 kg <br />B-comp. : up to 1.35 l water <br />25 kg A-comp. (powder): 8.33 kg <br />B-comp. : up to 2.25 l water <br />Application/ <br />substrate temp.: +5 °C to +25 °C <br />Pot life*): <br />approx. 60 minutes <br />Adhesive open time*): approx. 30 minutes <br />Thin-bed mortar: <br />up to approx. 5 mm layer thickness <br />Ready for grouting*): In case of non-slump setting, grouting <br />is normally possible on the following <br />day. In case of flow bed mortar, <br />grouting may normally begin <br />after two days, depending on the <br />absorbency of the substrate. <br />Foot traffic after*): After one day at the earliest, <br />depending on the absorbency <br />of the substrate and the selected</p> <p>consistency <br />A <br />Fully cured*): <br /> fter minimum 14 days, depending <br />on the absorbency properties of the <br />substrate <br />Cleaning: Clean immediately after use with water <br />≥ 5 mm in accordance with <br />Deformability: <br /> <br />DIN EN 12004 <br />Testing: In accordance with EN 12004, Kiwa <br />GmbH, test report P 10619-1a very <br />low emissions in accordance with GEVEMICODE, AgBB diagram, the French <br />VOC Directive, and Royal Belgian <br />Decree C-2014/24239 <br />Consumption: <br />approx. 2.80 kg/m2 with 6 mm <br />notched trowel <br />approx. 3.70 kg/m2 with 8 mm <br />notched trowel <br />approx. 4.70 kg/m2 with 10 mm <br />notched trowel <br />*) The values apply for +23 °C and 50 % relative humidity; higher temperatures <br />shorten, lower temperatures extend the time cited.</p> <p>Substrate: <br />The substrate must be dry, load-bearing, adequately <br />level, free of penetrating cracks and free of separating <br />substances, such as oils, paints, laitance layers, and <br />loose particles. It must have a primarily closed surface <br />condition and exhibit strength typical of its type. Substrate <br />preparation and application per DIN 18157, part 1, and <br />the application specifications of UNIFIX-S3 that differ from <br />this, are authoritative when laying tiles. <br />Prime absorbent substrates with ASO-Unigrund. Calcium <br />sulphate screeds must be roughened, vacuumed, and <br />primed with ASO-Unigrund-K. as with all calcium sulphate <br />bound substrates, and diluted at a ratio of 1:3 water. <br />Heated screeds must be heated in accordance with <br />recognised standards before installation of coverings. <br />Moisture measurement should be carried out with the CM</p> <p>2/4</p> <p>22/18</p> <p>device to assess whether it is ready for laying on. <br />The CM moisture readings may not exceed <br />• CA without floor heating system ≤ 0.5% <br />• CA with floor heating system ≤ 0.3%.</p> <p>A component <br />In case of non-slump setting, grouting is normally possible <br />on the following day. In case of flow bed mortar, grouting <br />may normally begin after two days.</p> <p>Tiles can be laid on cement-based screeds with <br />UNIFIX-S3-fast, as soon as the screed is able to withstand <br />loads. Concrete substrates after 28 days, independent <br />of moisture content. The CM measurement must be <br />completed in accordance with the current working <br />instructions FBH-AD from the technical information <br />"Interface coordination with heated floor constructions". <br />Surface irregularities in substrates that are ready for <br />laying can be compensated out beforehand with e.g. <br />SOLOPLAN-30-PLUS.</p> <p>Spread UNIFIX-S3 evenly across the substrate and <br />comb through with a suitable notched trowel to suit the <br />board size/material. Lay the surfacing materials within <br />the adhesive open time (finger test). In exterior areas and <br />continuously wet areas, ensure that there are no cavities <br />in the bedding for the tiles and boards. Special notched <br />trowels (e.g. HFV notch, Flowline) have proven useful for <br />this.</p> <p>Application: <br />UNIFIX-S3 is a combination product and is shipped <br />in accordance with the mixing ratio. First, add the B <br />component into a clean mixing bucket. Next, add the <br />A component (powder) and continue mixing until a <br />homogeneous bulk density is produced. For easier <br />application, up to max. 9% water in relation to the A <br />component may be added. After short maturing time of <br />approx. 3 minutes, the mixed thin-bed mortar must be <br />stirred again. Do not mix more UNIFIX-S3 than can be <br />used within the pot life of approx. 60 minutes. <br />Mix ratio, non-slump and very deformable (corresponds <br />with class C2 TE S2, deflection in accordance > 5 mm): <br />5 kg B component : up to 0.25 l water : 15 kg <br />A component <br />8.33 kg B component : up to 0.40 l water : 15 kg <br />A component <br />Mix ratio, flow bed and very deformable (corresponds <br />with class C2 E S2, deflection in accordance > 5 mm): <br />5 kg B component : up to 1.35 l water : 15 kg <br />A component <br />8.33 kg B component : up to 2.25 l water : 25 kg</p> <p>Important instructions: <br />• The relevant guidelines (DIN, ZDB data sheets <br />[German construction industry association]) still insist <br />on a 28-day waiting time for cement-based substrates. <br />Many years of experience with elastic thin-bed mortar <br />UNIFIX-S3 have shown that non-destructive placement is <br />also certainly possible on newer substrates. <br />Prerequisite for laying tiles on new substrates is <br />compliance with the following criteria: The arrangement <br />of movement joints complies with the relevant guidelines. <br />Maintain an adhesive bed thickness of min. 3 mm <br />(depending on the placement angle, approx. 8 mm <br />trowel) to compensate for any slight deformations in the <br />substrate. Heating screed constructions must generally <br />be completed from the 21st day after laying the screed <br />in accordance with the relevant guidelines (ZDB data <br />sheet). Placement begins as soon as possible, and <br />normally minimum 3 to 8 days after the screed is able to <br />be walked on. The screed must have reached minimum <br />70% of its final strength (in normal cases, after 7 days). <br />Complete grouting with hydraulically hardening grout, <br />e.g. ASO-Flexfuge or HF05-Brillantfuge. <br />When working on new, cement-based substrates <br />(screed, heated screed), the reduced full service <br />conditions of the screed construction must be taken into</p> <p>3/4</p> <p>22/18</p> <p>account. Do not place heavy tools, surfacing materials, <br />etc., on the screed, in particular in areas at risk of <br />breakage – ensure load spreading measures. <br />• When laying natural stone and synthetic stone, the <br />product-specific properties of the coating materials <br />(tendency for discolouration, curling effects, etc.) and <br />the laying recommendations of the manufacturer must <br />be taken into account. We recommend completing <br />a trial adhesion. <br />• To avoid curling effects due to water absorption, we <br />recommend using ASODUR-EK98/ASODUR-DESIGN <br />when working with agglomerates/synthetic stone. <br />• Direct solar radiation and draughts can result in a <br />skin forming prematurely or to the open time being <br />shortened. <br />• UNIFIX-S3 is a hydraulically hardening mortar with <br />dispersion component rate that can take a few days <br />before being fully hardened in unfavourable climatic <br />conditions or when exposed to weather influences and <br />so it must be protected from exposure to water and frost <br />in the meantime. <br />• Pools, containers, etc. may only be filled after 28 days <br />at the earliest. <br />• Protect surfaces that are not to be treated against the <br />effects of UNIFIX-S3. <br />• Avoid contact with eyes and skin. <br />• Prime calcium sulphate bound substrates with <br />ASO-Unigrund-GE or ASO-Unigrund-K (mix ratio 1:3 <br />with water)! When laying tiles on calcium sulphate <br />bound substrates, UNIFIX-AEK is useful to avoid <br />ettringite formation with residual moistures of 1.0 % with <br />heated or 1.5 % per CM with unheated constructions! <br />• Do not add water or new mortar to existing thin-bed <br />mortar already in the binding process in order to <br />make it workable again as this would involve a risk of</p> <p>inadequate strength development! <br />• Direct contact between cement tile mortar and <br />magnesite screeds leads to the destruction of the <br />magnesite screeds through a chemical reaction known <br />as "magnesite pouring". Moisture pressure from <br />the rear of the substrate must be prevented through <br />appropriate measures. The magnesite substrate should <br />be mechanically roughened and primed with the epoxy <br />resin ASODUR-V360W plus max. 5 % water (approx. <br />250 g/m²). After a waiting time of approx. 12 to <br />24 hours at +20 °C, the second coat of <br />ASODUR-V360W should be applied (approx. <br />300–350 g/m²). While the second coat is still fresh, <br />apply plenty of quartz sand with 0.5–1.0 mm grain <br />size. Installation of coverings may be completed after a <br />further waiting time of approx.12-16 hours. <br />• In continuously underwater areas (swimming pools, <br />containers, etc.) ensure that there are no cavities in <br />the bedding for the tiles and boards. Special notched <br />trowels (e.g. HFV notch, Flowline) have proven useful <br />for this. Placement of the bedding mortar on the rear of <br />the board may be omitted if the bedding technique is <br />suitable, provided the floating-buttering method is not <br />prescribed exclusively from a planning perspective. <br />We recommend checking the work results continuously. <br />• Protect surfaces that are not to be treated against the <br />effects of UNIFIX-S3! <br />Please observe valid EU safety data sheets! <br />GISCODE: ZP1</p> <p>Information about the emission level of volatile compounds in indoor <br />air, which pose a health risk by inhalation, on a scale from class A+ <br />(very low emissions) to C (high emissions).</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 in the <br />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 does not <br />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. <br />4/4</p> <p>WKD/TAN/TM</p> <p>22/18</p>
