2-component bitumen-latex thick coating
2C heavy-weight bitumen coating
SRFCOAT-2K-BITUMEN-28KG
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Meets the trench pressure test criteria
- Permanently watertight even at high pressure up to 5 bar
- Very good protection against stagnant seepage water
- Bridges cracks up to 5 mm
Rubber-modified and styrene-free
- Resistant to high pressure
- The applied layer thickness is permanent and, unlike polystyrene-filled systems, is not compressed
- Permanently elastic, durable in locations where cracks quickly form
Suitable for bonding wall insulation panels, even at points in contact with the ground
- When applied in spots, insulation panels can be bonded
- When applied to the entire surface, also suitable for stagnant seepage water
- Resistant to all chemicals usually found in the ground
- Non-decaying
Quickly becomes watertight, cures quickly
Can be processed using a brush, sprayer or joint knife
Solvent-free
Radon-proof
Radon-proof according to Radio Ökologisches Institut Keller
Radon-proof according to Radio Ökologisches Institut Keller
The instructions for use are recommendations based on the tests that we have carried out and our experiences; you should carry out your own tests on the product prior to each application. Because of the large number of applications as well as storage and processing conditions, we accept no liability for results arising from specific applications. If our free customer service provides technical information or advice, no liability is accepted except when the advice given or the information provided falls within the scope of our specified, contractually agreed service or where the adviser acted intentionally. We guarantee that our products are always of the highest quality. We reserve the right to carry out technical amendments and develop products further.
Datasheets(X)
For a reliable, permanent seal according to DIN 18533-3. Can be used in the Würth construction sealing system for sealing of foundations, intermediate sealing of balconies without underlying structures, and wet rooms. Ideally suited to areas subjected to compressive loads. e.g. underneath floor panels. Thanks to the product characteristics, can be used as an adhesive for insulation panels. In the case of stagnant seepage water, you must completely bond the insulation panels. Not suitable for water entering from behind or for sealing roofs.
The substrate must be dry to lightly moist and free from grease, oil, frost and tar. Loose components and protruding mortar residues must be removed before work is begun. Apply a waterproofing system primer coat to prepare the substrate (art. no. 0893212100). Sharp edges must be blunted and corner and transition areas must be rounded off by means of a chamfer with watertight mortar (art. no. 0893212110). Compensate recesses > 5 mm with waterproof mortar, art. no. 0893212110.
For proper application, the "Guidelines for planning seals of components in contact with the ground with plastic-modified bitumen-latex thick coatings" and the specifications in DIN 18533 must be observed. The powder (bag is placed in bucket) must be completely added to the liquid in portions and stirred well using a slowly rotating stirrer, article no. 0702 836 and a stirring rod, article no. 071395 137 in order to produce a lump-free, homogeneous paste. Observe a mixing time of at least three minutes; 2-component bitumen-latex thick coating must be applied in two layers. Ensure that the first layer is completely cured before the second is applied. Reinforcement fabric (article no. 0893212105) must be inserted into the surface of the first layer for strengthening. Smoothing agents are not suitable as seals; the specified minimum layer thickness must be maintained across the entire surface and may not be exceeded by 100 %. On adjacent components (floor panels or similar structures), to at least 15 cm from the front edge. At all points, a horizontal seal must be included in the sealing of the substrate.
The minimum processing temperature is +5 °C. It is essential that the layer does not come into contact with the effects of rain, frost or water pressure until both layers are completely dry. Keep out of direct sunlight. Ideally, substrates on which no coating is to be applied (e.g. in a space that will subsequently be plastered) should be covered, as the bitumen agent cannot be removed without leaving behind residue. During application, it is recommended that you wear personal protective equipment (safety goggles, art. no. 0892 102 ff. / gloves art. no. 0899 435 ff.). The second component contains cement, therefore avoid contact with skin.
The second component (powder) contains cement. Avoid skin contact.
Chemical basis | Natural rubber-modified bitumenous emulsion with reactive powder |
Colour | Black |
Density | 1.07 g/cm³ |
Max. working life | 60 min |
Conditions for working life | after mixing |
Min. curing time | 24 h |
Max. curing time | 72 h |
Fully hardening/curing conditions | Depending on: coat thickness, substrate, temperature and humidity |
Conditions for ability to withstand rain | after skin formation, depending on the ambient humidity and temperature |
May be walked on in following conditions | once completely dry |
Further processing conditions | once completely dry |
Min. processing temperature | 5 °C |
Max. processing temperature | 35 °C |
Min. ambient processing temperature | 2 °C |
Min. surface processing temperature | 5 °C |
Max. surface processing temperature | 30 °C |
Max. temperature resistance | 70 °C |
Building material class | B2 - Normally inflammable |
Solvent-free | Yes |
Styrol-free | Yes |
Crack bridging | 5 mm |
Crack bridging conditions | for 6-mm layer thickness |
Application quantity in weight/area | 6 kg/m² |
Application quantity in volume/area | 4.5 l/m² |
Application quantity conditions | with 4-mm layer thickness, complete system with two layers |
Contents | 30 l |
Container | Combination package |
Weight of content | 28 kg |
Weight of content, component A | 21 kg |
Weight of content, component B | 7 kg |
Shelf life from production | 6 Month |
Conditions to maintain shelf life from production | cool and frost-free storage area, in sealed original container |
Additional articles | Trowel, art. no. 0695943...; agitating paddle, art. no. 071395 ... |
| Usage: | |||
| Water shock class in accordance with 18533, tab. 1 | DLT [mm] | WLT [mm] | Usage [l/m²] |
| W1-E | 3,0 | 4,0 | At least 4.0 |
| W2.1-E* | 4,0 | 6,0 | At least 6.0 |
| W3-E | 4,0 | 6,0 | At least 6.0 |
| W3-E* | 4,0 | 6,0 | At least 6.0 |
| W4-E | 3,0 | 4,0 | At least 4.0 |
| *: W2.2-E not intended for PMBC, usage values as per the standard; special agreement required! Explanation of the terms in the usage table: W1-E: Ground moisture and water not under pressure W2.1-E*: Moderate impact of water under pressure (immersion depth ≤ 3 m) W3-E: Water under no pressure on ceilings covered with earth W4-E: Spray water and ground moisture on the wall base and capillary water in and under walls DLT: Minimum dry layer thickness WLT: Wet layer thickness When used as panel adhesive for full-surface application: At least 4.0 kg/m² when used as a scratch-resistant coating, at least 0.8 kg/m² when applying a scratch-resistant coating, excess layer thickness is usually not required for the substrate. | |||
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