Sureflo Bagged Gypsum Screed

Sureflow is a bagged screed made using a combination of gypsol binder and specially selected sand in 25kg bags ready for water addition for mixing on site. It may be placed using a mixing pump or by direct placement from a mixing vessel.

Minimum Depth:

  • Floating on insulation: 35 mm for domestic applications.
  • Floating on insulation: 40 mm for commercial applications.
  • Underfloor heating: Minimum 20 mm cover to underfloor heating pipes.

Maximum bays:

  • Unheated: 800 m²,aspect ratio 8:1, length 40 m.
  • Heated: 300 m²,aspect ratio 6:1, length of 20 m.

Physical Properties:

  • Thermal conductivity: >2.3 w/mK.
  • Strength: Typical C30 F5.
  • Reaction to Fire: Class A1f.

Environment and Welfare: Binder

  • Binder contains 98% recycled material.
  • Carbon Footprint 26.26kg of CO2/tonne.
  • 100% Recyclable.
  • VOC Virtually Zero.
  • Protein free.

General information






Early traffic time, thin application section, pumpable or hand-mixed, protein-free, low shrinkage, odorless and non-combustible, crack and curl resistant, environmentally friendly


Anhydrite binder, aggregates

Uniclass 2015

Pr_35_31_06_72 Ready-mixed self-smoothing calcium sulfate screedsPrimary
Digital objects
PlatformCompatibleVersionCertified to
IFC2X3 3 1.3
Revit 2016 4 2.0
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