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IMBERAL® 2K Winter 26B

Bitumen thick-film coating for structural waterproofing, up to -5 °C in winter
Applications:
  • Cellars in residential and commercial buildings
  • Underground car parks, parking decks
  • Balconies, patios
  • Retaining walls

CHARACTERISTICS
IMBERAL® 2K Winter 26B is a highly polymer modified, fibre reinforced thick layer sealant on a bitumen polymer basis with hydraulically setting powder.
It hardens even in winter and in cold weather and is not harmful if it enters the groundwater.
  • Frost resistant down to -5°C
  • Quickly rainproof
  • Quick full setting
  • Environmentally friendly
  • Complies with DIN 15814

INGREDIENTS
Bitumen, polymers, emulsifiers, functional fillers, fibres, hydraulic binders, freezing point depressant

    USE
    IMBERAL® 2K Winter 26B for waterproofing structural components in contact with soil as per DIN 18533 on walls, foundations and floor slabs in contact with soil as well as earth-covered ceiling panels.
    • Soil moisture and non-pressing water W1-E
    • Against external pressure water, moderate effect W2-E
    • Against non-pressing water on earth covered ceilings W3-E
    • Against spray water on the wall plinth as well as capillary water in and under walls in contact with soil W4-E
    • For waterproofing wall connections to WU concrete as well as construction joints and butt joints of components made of concrete with high water resistance.
    • On non-plastered brickwork, concrete, plaster MG P II and P III as well as on old cleaned bitumen seals.
    • As an adhesive for insulation, protective and drain boards

    PREPARATION OF THE SURFACE
    The substrates must be firm, capable of taking up loads, dry, free of ice, dust, dirt and mortar residues. During the construction phase, no water should penetrate between the substrate and the sealing compound. If required, apply INTRASIT® DS2 54Z or INTRASIT® Poly-C1 55Z or IMBERAL® RSB 55Z as an intermediate sealing. Clean the base projections thoroughly. Remove sinter layers and impurities. Old bitumen sealing that has stuck fast can be reworked after cleaning. All internal corners must be provided with an INTRASIT® FSM Winter 56Z mortar coving (wall/floor slab connections, vertical building corners, wall/cantilever plate connections and the like). Prime the substrate with IMBERAL® Aquarol 10D when the temperature is above +5 °C. Prime the adhesive surface with IMBERAL® Aquarol Winter 16D when the substrate and air temperatures are between -5 °C and +5 °C. Brickwork capillary saturated with water is not suited for waterproofing work. Profiled stone surfaces must be equalised with a scratch coat of IMBERAL® 2K Winter 26B. Protruding corners and edges, recesses, irregularities and the like must be levelled with the existing surface by applying a scratch coat of mortar or IMBERAL® 2K Winter 26B. Close open butt joints up to 5 mm with IMBERAL® 2K Winter 26B as a scratch coat or with a thin plaster. Close at least 5 mm wide butt joints, mortar pockets and holes with INTRASIT® FSM Winter 56Z. Bubble formation due to deep pores or hollows in concrete should be prevented or reduced by means of scratch plastering. IMBERAL® VE 89V must be embedded with large-size stones, aerated concrete as well as in the area of bonded different construction materials.
    Scratch coats and channels must have hardened before the waterproofing work begins.

      APPLICATION
      DIN 18533 – Waterproofing of buildings
      DIN 1053 – Masonry
      Observe guidelines for planning and designing structures in direct contact with the ground with polymer modified thick bitumen coating.
      1.Stir IMBERAL® 2K Winter 26B with slow running paddle (400 to 600 rpm) or with a mixing paddle. Briefly mix up liquid component, then add all the powder component at once and stir thoroughly into the liquid component. Mixing takes about a minute and is complete when the mixture is homogenous and free of lumps.
      2.Apply to the required coating thickness using a trowel.
      3.Insert IMBERAL® FB 89ZH in with IMBERAL® 2K Winter 26B in existing expansion joints.
      4.Clean tools with water immediately after use.


      Take the vertical wall waterproofing up to the foundation side surfaces and approx. 30 cm above the ground level (protection from water sprays). When plastering this area, this circumferential stripe can be sealed beforehand with INTRASIT® DS2 54Z, -Poly-C1 55Z or IMBERAL® RSB 55Z. Apply the layer evenly on the substrate. Prevent differences in layer thickness. Apply the sealant for brick masonry on the clinker area in order to prevent water from penetrating during the construction phase. The sealant must be generally applied in two layers. When waterproofing as per DIN 18533 W1 and W4, the sealing measures can take place whilst still wet. In case of loads W2 and W3, the first layer must have sufficiently dried. Create channels in all interior corners. Outside edges of buildings must be bevelled. The coating works may only start 24 hours after the scratch plastering. Cover movement joints with IMBERAL® FAB 89ZH in a loop.IMPORTANT NOTES
      • Maintain a working temperature of -5 °C to +20 °C
      • If IMBERAL® 2K Winter 26B is used together with Hahne system products, observe the appropriate working temperature in each case (see corresponding data sheet).
      • Do not apply the product in direct sunlight.
      • Pipe passages etc. through the sealing should, where possible, be made in the area of non-pressing water. Connect the sealing to the pipe passage like a coving.
      • Use adhesive flanges or loose/fixed fixed flanges for passages where there is water which is not under pressure. Openings in accumulating seepage water or ground moisture areas must always be made with loose/fixed flange screw connections.
      • Gullies must be reinforced with plate edge or sheeting, integrating a woven tape.
      • Apply protective layers and protective measures according to DIN 18533.
      • Deviations from DIN 18533 such as waterproofing measures at temperatures below +5 °C should be contractually agreed in general.
      • When laying perimeter insulation boards, also see the information sheet on the thermal insulation of components in contact with soil by the professional association Poystyrol-Extruderschaumstoff (FPX).

      SAFETY PROVISIONS/RECOMMENDATIONS
      Powder components have an alkali reaction in contact with moisture/water.
      More detailed information on safe transport, storage and handling can be found in the safety data sheets.

        DISPOSAL
        The local waste removal regulations must be observed.

          SPECIFICATIONS
          Packaging
          Mixer pack size
          Liquid component
          Powder
          Supplied
          Density, process ready
          Working temperature
          Working time
          Elongation
          Max. tensile strength
          Crack bridging
          Imperviousness
          -Test acc. AIB
          4 mm slot pressure test
          Load bearing1)
          after about 2 days
          after about 3 days
          after about 7 days
          Storage
          PE bucket/paper sack
          32 kg
          24 kg
          8 kg
          16 Pack sizes/pal.
          1.1 kg/l
          -5 °C to +20 °C
          > about 1 hr at +10°C
          80 %
          approx. 0.33 N/mm2
          > 2 mm at +4 °C

          > 0.5 bar/8 hrs
          1 bar, 72 hrs

          at +15 °C
          at +5 °C
          at 0 °C to -5 °C
          above -5 °C, 12 months


            Produkty systemowe