AQUAFIN-RB400_204218_Englisch.pdf
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<h1>AQUAFIN-RB400_204218_Englisch.pdf</h1> <p>Technical data sheet <br />AQUAFIN®-RB400 <br />Rapid cementitious waterproofing</p> <p>Material number</p> <p>Package type</p> <p>Colour</p> <p>Units / pallet</p> <p>Pc/package</p> <p>204218006</p> <p>32.5 kg, set (2 component)</p> <p>Grey</p> <p>48</p> <p>1</p> <p>A-component: 19.5 kg, bag</p> <p>48</p> <p>1</p> <p>B-component: 13 kg, tub</p> <p>24</p> <p>1</p> <p>18</p> <p>1</p> <p>A-component: 7.2 kg, bag</p> <p>140</p> <p>1</p> <p>B-component: 9.6 kg, pail</p> <p>48</p> <p>1</p> <p>204218007</p> <p>24 kg, combination container</p> <p>Grey</p> <p>Fields of application / waterproofing <br />For waterproofing building components in direct ground contact with ground moisture and non pressure water ( W1.1-E, W1.2-E in <br />accordance with DIN 18533) <br />for waterproofing splash water and ground moisture at the wall base and capillary water in and under walls (W4-E in accordance with DIN <br />18533) <br />for waterproofing pressing water (W2.1-E in accordance with DIN 18533) <br />As retroactive building waterproofing in accordance with WTA datasheet 4-6 <br />for waterproofing containers and basins (W1-B, W2-B in accordance with DIN18535) <br />For waterproofing window and door elements to floor level <br />Suitable for old, firmly adhering bituminous coatings</p> <p>Product features <br />Flexible polymer modified thick layer coating (FPD) <br />Cementitious waterproofing slurry (MDS) <br />Bitumen-free <br />Rapid reactive drying <br />Improved crack bridging even at low temperatures (-5 °C) <br />Very low emission - EMICODE® EC 1PLUS</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 />1/8</p> <p>06/10/2026</p> <p>Technical data sheet <br />AQUAFIN®-RB400 <br />Advantages <br />Sulphate resistant <br />Frost, de-icing salt, UV and age resistant <br />Radon tight <br />Good crack bridging</p> <p>Technical Data <br />Material properties <br />Product components <br />Base material <br />Consistency <br />Density, ready to use product (ISO 1183-1) <br />Crack bridging PG MDS / FPD <br />Crack bridging in accordance with ASTM C836 <br />Crack bridging ability DIN EN 14891 (at normal and low temperatures) <br />Watertightness (PG MDS/FPD) <br />Watertightness against negative pressing water (WTA-datasheet 4-6) <br />Watertightness (PG FBB) <br />Tensile adhesion strength DIN EN 1542 <br />Water vapour diffusion coefficient µ <br />CO2 diffusion coefficient, µ <br />CO2 Sd value (3.5 mm dry film thickness) <br />Rainproof <br />Sealing against pressing water after (1 bar) <br />Exposure classes (DIN EN 1992-1-1) <br />Classification of the reaction to fire in accordance with DIN EN 13501-1</p> <p>2 component system <br />Polymer-mortar combination <br />Filler consistency <br />approx. 1.1 kg/dm³ <br />to 2 mm <br />> 3 mm <br />> 0.75 mm <br />up to 5.0 bar with a dry film thickness of 3.0 mm <br />to 0,75 bar <br />1.0 mm (joint width) <br />≥ 0.5 N/mm² <br />< 670 <br />> 100000 <br />> 200 m <br />On inclined surfaces after approx. 3 hours; standing water must <br />be avoided <br />approx. 16 hours <br />XA2 <br />E</p> <p>Mixing <br />Mix ratio, component A <br />Mix ratio, component B <br />Mixing time <br />Maturing time <br />Water addition, maximum</p> <p>1.5 weight fractions (powder) <br />1 weight fraction (fluid) <br />approx. 3 minutes <br />approx. 5 minutes <br />Max. 0.24 l per 24 kg</p> <p>Application <br />Substrate/application temperature <br />Pot life <br />Foot traffic after <br />Overcoat after <br />Withstands pressurised water after</p> <p>approx. 5 - 30 °C <br />approx. 45 minutes <br />approx. 24 hours <br />approx. 3 hours <br />≥ 1 days</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 />2/8</p> <p>06/10/2026</p> <p>Technical data sheet <br />AQUAFIN®-RB400 <br />Material rate <br />Material consumption rate according to the area of application <br />Water exposure class</p> <p>Dry layer thickness, mm Wet layer thickness, mm Consumption, kg/m²</p> <p>W1.1-E/W1.2E</p> <p>Ground moisture and non-pressurised water (concrete elements)</p> <p>≥ 2.0</p> <p>≥ 2.2</p> <p>≥ 2.4</p> <p>W1.1-E/W1.2E</p> <p>Ground moisture and non-pressurised water (masonry)</p> <p>≥ 3.0</p> <p>≥ 3.3</p> <p>≥ 3.6</p> <p>W2.1-E</p> <p>moderate exposure to water under pressure <3 m</p> <p>≥ 4.0</p> <p>≥ 4.4</p> <p>≥ 4.8</p> <p>W3-E</p> <p>Ground slabs backfilled with earth</p> <p>≥ 3.0</p> <p>≥ 3.3</p> <p>≥ 3.6</p> <p>W 4-E</p> <p>Splash water at the base of walls and capillary water in and beneath <br />walls</p> <p>≥ 2.0</p> <p>≥ 2.2</p> <p>≥ 2.4</p> <p>Tank waterproofing <br />W2-B</p> <p>Water tank fill level <10 m, crack width <0.2 mm</p> <p>≥ 2.0</p> <p>≥ 2.2</p> <p>≥ 2.4</p> <p>W2-B</p> <p>Water tank fill level <10 m, crack width <1.0 mm</p> <p>≥ 4.0</p> <p>≥ 4.4</p> <p>≥ 4.8</p> <p>Application in accordance with WTA Technical Note 4-6 ‘Retrospective waterproofing of building elements in contact with the ground’ (renovation): <br />External waterproofing <br />W1.1-E/W1.2E</p> <p>Ground moisture and non-pressurised water</p> <p>≥ 3.0</p> <p>≥ 3.3</p> <p>≥ 3.6</p> <p>W2.1-E</p> <p>moderate exposure to water pressure <3 m</p> <p>≥ 4.0</p> <p>≥ 4.4</p> <p>≥ 4.8</p> <p>W3-E</p> <p>Ground slabs backfilled with earth</p> <p>≥ 3.0</p> <p>≥ 3.3</p> <p>≥ 3.6</p> <p>W 4-E</p> <p>Splash water at the base of walls and capillary water in and beneath <br />walls</p> <p>≥ 2.0</p> <p>≥ 2.2</p> <p>≥ 2.4</p> <p>Internal waterproofing <br />W1.1-E/W1.2E</p> <p>Ground dampness and non-pressurised water</p> <p>≥ 2.0</p> <p>≥ 2.2</p> <p>≥ 2.4</p> <p>W2.1-E</p> <p>moderate exposure to hydrostatic pressure <3 m</p> <p>≥ 3.0</p> <p>≥ 3.3</p> <p>≥ 3.6</p> <p>without</p> <p>≥ 4.0</p> <p>≥ 4.4</p> <p>≥ 4.8</p> <p>ASO Sealing Tape 2000-S*</p> <p>≥ 2.5</p> <p>≥ 2.8</p> <p>≥ 3.0</p> <p>ADF expansion joint tape*</p> <p>≥ 2.5</p> <p>≥ 2.8</p> <p>≥ 3.0</p> <p>Joint sealing at transitions between concrete elements **:</p> <p>Notes:* Special agreement required. The specifications set out in the relevant general building control test certificates for MDS (mineral sealing <br />slurries) and FPD (flexible polymer-modified thick coatings) must be observed. ** This applies to construction joints (horizontal and vertical) as well <br />as controlled expansion joints in waterproof and other concrete components.</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 />3/8</p> <p>06/10/2026</p> <p>Technical data sheet <br />AQUAFIN®-RB400 <br />Processing equipment <br />Aids/tools <br />Stirrer (approx. 500-700 rpm) <br />Suitable mixing paddle <br />Trowel <br />Serrated or layer-thickness trowel <br />Flat trowel <br />Brush <br />Spray equipment</p> <p>Manual processing <br />Can be trowelled off <br />Applicable with a brush</p> <p>Machine application <br />AQUAFIN®-RB400 can be mechanically applied. For precise information, see the additional Technical Information No. 43.</p> <p>Suitable substrate <br />All substrates in accordance with DIN 18535, DIN 18531, DIN 18533 <br />Old, firmly adhering bituminous substrates <br />Concrete <br />Masonry work <br />Plasters P II and P III <br />Cement-based screed (CT)</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 />4/8</p> <p>06/10/2026</p> <p>Technical data sheet <br />AQUAFIN®-RB400 <br />Preparing the substrate <br />Requirement for substrate <br />1. Even <br />2. Free of adhesion inhibiting substances <br />3. Sealed in the surface <br />4. Pore open <br />5. Load-bearing <br />6. Extensively fully grouted</p> <p>Preparing the details <br />1. Before any subsequent application, remove all loose or poorly bonded layers from the wall footing and the transition to the splash water plinth <br />down to the cementitious substrate. <br />2. Edges are to be chamfered and corners are to be rounded. <br />3. Level indentations < 5 mm with ASOCRET-M30 / AQUAFIN-1K or a mixture of AQUAFIN-RB400 and quartz sand (Ø 0.1-0.35 mm) approx. 6 <br />kg to 24 kg AQUAFIN-RB400. <br />4. Depressions > 5 mm and mortar pockets, plaster grooves in brickwork, open butt or bed joints, damaged areas, large pored substrates or <br />uneven masonry work must be levelled in advance with ASOCRET-M30 (cement-based mortar).</p> <p>Preparing the surface <br />1. Old, firmly adhering bituminous substrates must be covered with a scratch coat and overcoated after drying out completely. <br />2. In the case of substrates damaged by de-icing salt, the substrate must be removed down to the neutral area, e.g. by means of milling, etc. <br />3. On uneven substrates, pre-sealing can also take place with ASOCRET-M30. <br />4. Pre-moisten the dry substrate so that it is matt damp at the time of application. <br />5. Extremely absorbent and slightly sandy substrates must be primed with AQUAFIN-Primer. <br />6. Moisture penetration from the rear and intermittent moisture loading from the negative side must be avoided. <br />7. For waterproofing with moisture penetration from the rear, we recommend pre-sealing with AQUAFIN-1K or ASODUR-SG3-thix.</p> <p>Base slab-wall transition <br />1. Pre-screen with AQUAFIN®-1K or ASOCRET-M30 in a consistency that is able to screen. <br />2. While still wet, install a sealing cove with an edge height of at least 4 cm made of ASOCRET-M30. <br />3. After drying, carry out the waterproofing with AQUAFIN®-RB400.</p> <p>Pipe penetrations <br />1. In water wear class W 2.1-E, suitable loose fixed flange constructions or tested house entry systems must be used. <br />2. For the watertight formation of pipe penetrations, the system components of the ASO-Dichtmanschetten (Joint sealing tape sleeves) are to be used <br />in accordance with their technical data sheets.</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 />5/8</p> <p>06/10/2026</p> <p>Technical data sheet <br />AQUAFIN®-RB400 <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. The mixing time is ca. 3 minutes. <br />3. After a settling period of ca. 5 minutes, thoroughly homogenise the compound again. <br />4. Depending on the application technique (e.g. application by screen or spray technique), do not add more water than specified under “Technical <br />Data > Mix > Water addition, maximum”. Water is added after mixing.</p> <p>Waterproofing <br />1. The material rate is dependent on the required dry film thickness corresponding to the water impact class (see Material rate table). <br />2. Apply AQUAFIN®-RB400 in a minimum of two application steps ensuring it is free of pores. <br />3. An even layer thickness is achieved using a coating thickness trowel or notched trowel and then smoothing. <br />4. The second application (and following) step can take place when the first application step can no longer be damaged by reworking. (see <br />“Technical Data > Processing > Second application step after waiting time”)</p> <p>Movement and connecting joints <br />For watertight formation of moving and connecting joints, use ASO-Dichtband system components in accordance with their technical data <br />sheets.</p> <p>Transitions of watertight concrete building components with an immersion depth of up to 3 m (max. opening width 1.0 mm) <br />1. Apply the waterproofing to the prepared substrate to a minimum of 15 cm on both sides of the joint. <br />2. Guide the waterproofing down approx. 15 cm onto the front surface of the watertight floor slab in the wall/floor transition. <br />3. Processing takes place in 2 application steps. Total dry film thickness: 4 mm. <br />4. An even layer thickness is achieved using a 6 to 8 mm notched trowel and then smoothing. <br />5. Alternatively, the transitions can also be sealed using the ASO-Dichtband system. <br />6. Install the selected joint sealing tape in accordance with the technical data sheet. <br />7. Finally, overcoat the bonded joint sealing tapes with the waterproofing at least 15 cm on both sides of the joint. Minimum dry film thickness: <br />2.5 mm.</p> <p>Integration of floor-depth elements or window elements <br />1. Wooden substrates must be sanded if necessary. <br />2. Plastic elements must be degreased. <br />3. The adjacent substrates must be cleaned of ridges and dirt beforehand. <br />4. Fix the ASO-Anschlussdichtband to the element to be installed using self-adhesive strips. <br />5. Fold over the joint sealing tape. <br />6. Apply AQUAFIN-RB400 on the window element, substrate and masonry work. <br />7. Press on the joint sealing tape with no wrinkles and no voids. <br />8. Protect the corner areas using ASO-Dichtband-2000-S-Ecken. <br />9. Then fully overcoat the entire area with two layers of AQUAFIN-RB400.</p> <p>Curing and protection <br />The material cures very well in areas with high humidity. In relatively dry areas, keep the coating damp for at least 3 days. In poorly ventilated <br />rooms and deep pits, adequate ventilation should be provided for 24 hours.</p> <p>Cleaning tools <br />Clean tools immediately after use with suitable solvent.</p> <p>Drainage and protection boards for building components in direct contact with the ground <br />The waterproofing must be protected against weathering influences and mechanical damage using suitable protective measures in <br />accordance with DIN 18533. <br />For the bonding of suitable protection/drainage boards and perimeter insulation boards, AQUAFIN-RB400 is mixed with quartz sand 0.10.35 mm (approx. 6 kg per 24 kg AQUAFIN-RB400) and applied with a suitable notched trowel using the buttering-floating method. <br />Depending on the water impact class, bonding is either spot-application or covering the whole area. Alternatively, bonding can be carried <br />out with 2-component bituminous thick layer coating (PMBC) COMBIDIC-2K-CLASSIC or COMBIDIC-2K-PREMIUM. <br />Drainage is carried out in accordance with the specifications of DIN 4095.</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 />6/8</p> <p>06/10/2026</p> <p>Technical data sheet <br />AQUAFIN®-RB400 <br />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 AQUAFIN®-RB400! <br />AQUAFIN®-RB400 as a surface coating must not be exposed to point or linear loads. <br />AQUAFIN®-RB400 may be plastered and coated with vapour permeable, solvent-free dispersion facade paints or dispersion silicate paints <br />(not pure silicate paints). Silicon resin paints and acrylate-based paints may also be used. <br />On PVC, gunmetal, and stainless steel flanges, ASO®-Dichtmanschetten or alternatively ADF®-Pipe-Gasket must be installed without voids or <br />wrinkles and integrated seamlessly into the waterproofing. <br />In case of strong sunlight, work against the movement of the sun in shaded areas. <br />Direct contact with metals such as copper, zinc, and aluminium must be avoided by means of a pore sealed primer. A pore-sealed primer is <br />produced via 2 application steps using ASODUR®-GBM (see technical data sheet). <br />In rooms with high humidity and/or insufficient ventilation (e.g. water containers), dropping below the dew point (condensation formation) <br />may occur on the surface. This must be avoided by taking suitable measures such as by using condensation dryers. Direct heating or <br />uncontrolled blowing warm air is not permitted. <br />The waterproofing must not be affected by water during binding. The effect of water from behind can lead to spalling in case of frost. <br />If applied in containers or in case of water loading with aggressive or soft water featuring hardness < 30mg CaO per I, a water analysis is <br />always required. The degree of attack is evaluated in accordance with EN 1992-1-1 (Euro Code 2).</p> <p>Relevant regulations <br />The recognised standards of construction engineering, the relevant guidelines and current regulations <br />must be observed. <br />Extract of essential regulations <br />DIN 18533 <br />DIN 18535</p> <p>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 />7/8</p> <p>06/10/2026</p> <p>Technical data sheet <br />AQUAFIN®-RB400 <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 />8/8</p> <p>06/10/2026</p>
