Sikafloor®-21 PurCem®

Medium to heavy duty self-smoothing polyurethane screed

Sikafloor®-21 PurCem® is a multi-component, water-based coloured polyurethane hybrid screed with self-smoothing properties. It has a smooth, matt, impervious, hard wearing surface and is typically installed at 3 - 6 mm thickness.

  • Good chemical resistance
  • High mechanical resistance
  • High glass transition point
  • Non tainting /odourless
  • VOC free and environmental friendly
  • Can be applied to substrates with high moisture content (7 days old or mature damp concrete)