Sika® Unitherm® Top W

Water based topcoat for fire protection coatings on structural steel

Sika® Unitherm® Top W is a single pack topcoat specially designed for Sika® Unitherm® and Sika® Pyroplast® intumescent fire protection systems against humidity and mechanical strain. Sika® Unitherm® Top W has no impact on the formation of the heat insulating foam of the intumescent coatings.

  • No impact on the foaming reaction of intumescent coatings
  • VOC Sika® Unitherm® Top W < 48 g/l
  • Free of halogens and aromatic solvents
  • Applicable on all Sika® Unitherm® and Sika® Pyroplast® intumescent coating systems for steel
  • Meets Type Z1 classification (i.e. internal conditions include temperatures till + 5°C and high humidity) as part of the coating system
  • Complies with the highest quality requirements
    (level 4) of DGNB as part of the coating system
  • Simple application, does not increase static load
  • Individual coloration possible various colour shades in RAL, others available