ASO-DM_207228_Englisch.pdf
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<h1>ASO-DM_207228_Englisch.pdf</h1> <p>Technical data sheet <br />ASO®-DM <br />Trass Drainage mortar</p> <p>Material number</p> <p>Package type</p> <p>Colour</p> <p>Units / pallet</p> <p>Pc/package</p> <p>207228001</p> <p>25 kg, bag</p> <p>Grey</p> <p>42</p> <p>1</p> <p>Areas of application <br />For producing drainage screeds <br />For producing bedding layers <br />Suitable for usage categories N1 and N2 in accordance with ZTV Wegebau [Additional Tech. Contractual Conditions for Construction of <br />Paths & Squares Outside of Road Traffic Areas] <br />For creating substrates with ceramic tiles and slabs, natural stone, concrete and natural stone paving <br />For laying tiles and slabs on fresh and hardened drainage mortar <br />For exterior</p> <p>Product features <br />Drainage-capable screed mortar <br />Quality up to CT-C20-F5 in accordance with DIN EN 13813 <br />Containing Trass <br />Largest grain size 4 mm <br />Layer thicknesses ca. 50 - 120 mm</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>07/01/2026</p> <p>Technical data sheet <br />ASO®-DM <br />Advantages <br />High frost and thaw resistance <br />Containing Trass, reduces efflorescence <br />Water permeable</p> <p>Technical Data <br />Material properties <br />Base material <br />Consistency <br />Grain size max <br />Bulk density of fresh mortar <br />Flexural strength (28 days, DIN EN 13813) <br />Reaction to fire in accordance with Directive 96/603/EC <br />Compressive strength (28 days, DIN EN 13813) <br />Vapour diffusion behaviour <br />Water permeability, SD value</p> <p>Pre-blended dry mortar <br />Powdered <br />< 4 mm <br />approx. 2 kg/dm³ <br />≥ 5 N/mm² <br />A1fl <br />approx. 20 N/mm² <br />Vapour permeable <br />≥ 1,000 l/m² per hour</p> <p>Mixing <br />approx. 2 - 3 minutes <br />approx. 2.5 l at 25 kg</p> <p>Mixing time <br />Water addition</p> <p>Application <br />Substrate temperature <br />Pot life <br />Mixing method, machines, tools</p> <p>Consumption <br />Foot traffic after <br />Ready for covering with tiles <br />Application temperature <br />Hardening time / full resilience <br />Layer thicknesses</p> <p>approx. 5 - 25 °C <br />approx. 60 minutes <br />Forced paddle mixer <br />Free fall mixer <br />Continuous mixer <br />Screeding machine <br />Approx. 17 kg/m² per 1 cm layer thickness <br />approx. 24 hours <br />approx. 24 hours <br />approx. 5 - 25 °C <br />approx. 7 days <br />approx. 50 - 120 mm</p> <p>Material rate <br />Minimum nominal thickness <br />Terraces, balconies, loggias, arcades or walkways <br />Do not drive on</p> <p>Layer thickness min. 50 mm</p> <p>Drive on</p> <p>Min. 50 mm on based bound layer (e.g. concrete slab)</p> <p>Drive on</p> <p>Min. 100 millimeters on unbound base layer (e.g. compacted gravel)</p> <p>All values given in the TM apply at +23°C and 50% relative humidity.</p> <p>Suitable covering <br />Ceramic tiles and boards <br />Porcelain stoneware, natural stone or concrete slabs <br />Natural stone or concrete paving</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>07/01/2026</p> <p>Technical data sheet <br />ASO®-DM <br />Preparing the substrate <br />Measures for substrate preparation <br />1. The substrate must be able to bear the loads expected to be concentrated at points and across surfaces. <br />2. Watertight substrates must be checked for their load-bearing capacity, gradient (min. 1.5%) and readiness for covering and provided with a <br />waterproofing layer according to DIN 18531. <br />3. Substrates, such as base courses made of gravel, must be sufficiently compacted and water permeable. <br />4. Substrates must be sufficiently level.</p> <p>Preparing the surface <br />1. Watertight substrates such as concrete are provided with a waterproofing layer of AQUAFIN-RS300 in accordance with the specifications in the <br />technical data sheet. <br />2. Create a separating layer to the watertight and bonded base courses. Joints should overlap by at least 10 cm. <br />3. Create base layers such as compacted gravel with a water-resistant, rot-proof, alkali-resistant and drainage-capable geotextile fleece. Joints <br />should overlap by at least 10 cm. <br />4. Installation of 10 mm thick PE edging strips on rising building components such as facades, walls, connecting stones and slabs.</p> <p>Application <br />Mixing drainage mortar <br />1. Pour the water into a clean mixing bucket and mix with the powder component to form a lump-free mortar. <br />2. In between, scrape the unmixed material from the side walls with a trowel and feed it to the mixing process. <br />3. The mixing time is ca. 2 - 3 minutes. <br />4. Alternatively, use a free-fall mixer, forced paddle mixer, continuous mixer or screed machine.</p> <p>Application <br />1. Distribute and compact the drainage mortar onto the prepared substrate. <br />2. Apply drainage mortar evenly and at a gradient of at least 1.5%. <br />3. Limit field sizes to a maximum field length of 6 m using bay sizing joints. Compact field sizes with a ratio of 2:3 are desirable. <br />4. Apply MONOFLEX, MONOFLEX-XL or UNIFIX-S3 to the back of slabs using an 8-10 mm notched trowel and lay them on the still fresh drainage <br />mortar. <br />5. Alternatively, after approximately 24 hours, tile and slab coverings can be laid on the hardened drainage mortar using the buttering method with <br />MONOFLEX, MONOFLEX-XL or UNIFIX-S3. <br />6. Create the joints between the tiles with a minimum joint width of 3 mm and, after the tile adhesive has become ready for grouting, seal them with <br />a drainage-capable CRISTALLFUGE-DF or CRISTALLFUGE-HF cement-based sealant.</p> <p>Cleaning tools <br />Rinse tools with water immediately after use.</p> <p>Storage conditions <br />Storage <br />Store in a cool and dry place. Min. 12 months in the original canister. Promptly use opened container.</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>07/01/2026</p> <p>Technical data sheet <br />ASO®-DM <br />Notes <br />All values given in the TM apply at +23°C and 50% relative humidity. <br />Observe the technical data sheets of the products mentioned before starting work. <br />Do not add any other cement or binder! <br />Low temperatures, high humidity and heavy layer thicknesses delay hardening, drying and extend the time until ready to receive tiles. (Also <br />see the BEB data sheet “Building climate preconditions for drying screeds”). Tests showed that the crystalline binding of the water is slower at <br />low temperatures (+5 to +10°C), meaning that the screed was only ready to receive tiles after a longer period of time! <br />Protect the screed from draughts, rain, etc. <br />Border, field, building separation and movement joints should be carried over to or installed at the designated location; suitable means (e.g. <br />edge strips) should be used to detach them! Crack control joints should be cut in up to a third of the introduced layer thickness! <br />The installation location must be ventilated. However, draughts and direct solar radiation should be avoided during application and the <br />hardening process. The indoor temperature and floor temperature must be at least +5°C during application, and during the following week! <br />Air dehumidifiers may not be used during the first 3 days! <br />If moisture rises from the substrate, effective waterproofing is essential prior to laying the screed! This does not apply in conjunction with <br />coatings in the drainage mortar on an unbound cementitious base layer. <br />When laying on a bonded base layer (e.g. concrete) or waterproofing, the substrate must be created with adequate falls and be level to <br />prevent waterlogging.</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! <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>07/01/2026</p>
