Apcochar WB100

A water borne intumescent coating for the fire protection of interior I section structural steelwork.

Provides 30, 60 and 90 minutes fire resistance to structural steel. Tested in accordance with BS 476: Part 21: 1987 by Warrington Fire Research and Building Research Establishment. It has highly competitive loadings for most steel section sizes, giving reduced application costs. It has minimal VOC’s – EPA Compliant with easy application properties. Topseals are not required in C1 interior environments. Recommended for interior environments classified as C1 or C2 under the definitions in ISO12944-2: 1998.


Fire Resistant Intumescent Coating
Finishes -Matt

Surface preparation


  • Degrease where necessary to SSPC-SP1 solvent cleaning to remove weld flux and general contamination prior to blasting. All sharp edges should be ground and weld splatter removed.
  • Blast clean to Swedish Standard SIS 05 5900 Sa 2.5 or British Standard 7079 equivalent.
  • Maximum profile 75 microns.
  • Apply compatible anti-corrosion primer in accordance with the manufacturer’s written instructions to recommended DFT.
  • Consult relevant primer Product Data Sheets for further detail. All surfaces should be clean, dry and free from all grease, oil and general contamination before coating.

Application procedure

Stir contents of the can thoroughly before use. Thinning is not usually required. However, if thinning is desired, do not exceed the recommended thinning ratio.

Tools you can use


May be used for difficult shapes or touch up purposes

Airless Spray


May be used for difficult shapes or touch up purposes

Available Packs


1 Coat
1.87 Sqm/L @ 375 Microns**


On well-prepared surfaces, as per the painting system recommended. Please refer to the Product Data Sheet for surface preparation and method of application.

** Actual coverage may vary from the quoted coverage due to factors such as method and condition of application, surface roughness, and porosity.

Popular system

  • Base Coat
    Epilux 610
  • First Coat
    Apcochar WB100
  • Second Coat
    Luxathane 5075
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