ICP Alltek

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  4. Alltek WW203 (Tyrex)

Alltek WW203 (Tyrex)


Lightweight preparation and filling/finishing plaster for airless application. Alltek Spray WW203 is a ready-to-use light grey plaster. Its incomparable smoothness allows perfect spreading and extremely easy and fast sanding. Alltek Spray WWW203 is delivered in a returnable or paperboard drum compatible with our Tyrex system.


  • Plaster for interiors, walls and ceilings on all standard substrates. Can be used for filling joints between plasterboards with feathered edges.
  • With its low density and its incomparable spreadability, it minimizes spreading effort thus strain on the workman.
  • Its lightness means it can be sprayed airlessly with a very long flexible tube.
  • Perfect for rough concrete due to its filling capacity.
  • Can be used as a finish on scratch plaster.
  • Manual application possible.
Typical spreadability 1 litre/m² per mm of thickness.
Recommended thicknesses
  • Min. thickness: 0,3 mm
  • Max. thickness: 3 mm
Packaging Returnable, stackable 112 l plastic drum with protective cover.



Typical Spreadability

1 litre/m² per mm of thickness.


1,1 +/- 0,1 kg/l

Solid Content

  • Solid content by mass: 58%
  • Solid content by volume: 54%

Application conditions

  • +8°C to +35°C
  • Max. relative humidity 70%


8 +/- 1

Cleaning tools

With water


  • 12 to 24 h on average, depending on application thickness, temperature, ventilation, humidity and substrate type. Sanding and recoating: after complete drying.

Recommended thicknesses

  • Min. thickness: 0,3 mm
  • Max. thickness: 3 mm


  • Ready to use
  • Easy to apply.
  • Ergonomic and rapid application, minimum retouching.
  • Excellent adhesive properties (IREF test report no. 05/2-105-L20).
  • Very good spreading power.
  • Easily sanded
  • Fire rating: A2-s1, d0 as per European standard EN 13501-1.
  • Classification: group III class 2 as per the standard AFNOR NF T 36-005, compliant with the standard AFNOR NF T 30-608 and the standard EN NF 13963: 2014.


  • Returnable, stackable 112 l plastic drum with protective cover.
  • Shelf life is 1 year in unopened original packaging, protected from frost and extreme heat.


  • VOC content: < 2 g/l.



  • Rough formwork.
  • Terracotta bricks and tiles, plaster, gypsum blocks, plasterboard.
  • Wood and wood products, old painted substrates in good condition.

Preparation of substrate:

  • The substrates, preparatory work and application conditions must be compliant with applicable building trade regulations (e.g. DTU) and standards.

Application tips:

  • Xtreme 60 pump system with 112 l drum (contact us).
  • Airless 27 to 45 nozzles, depending on condition of substrate and equipment used (follow the manufacturer’s advice).
  • Flexible smoothing knife of “Parfaitliss” type or similar (up to 1 metre wide on ceilings).
  • Sanding with grain size 150 to 220.


  • Ensure adequate ventilation to remove excess moisture and accelerate drying.


The safety information sheet is available from: www.icp-alltek.com/en-gb/documentation/