Gypsol Summit Flowscreed


Summitt screed is a combination of Gypsol binder, specially selected sands, and water mixed in quality-assured ready-mix facilities to produce a pump applied, flowing, self-compacting and self-smoothing screed. It allows installation to high rise applications 10 stories and above.

Minimum Depths:

  • Bonded: 25 mm on a fully prepared concrete substrate.
  • Unbonded: 30 mm over a polythene membrane or in direct contact with an unprepared concrete substrate.
  • Floating on insulation: 35 mm for domestic applications.
  • Floating on insulation: 40 mm for commercial applications.
  • Underfloor heating: Minimum 25 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: Min C25 F4.
  • Reaction to Fire: Class A1f.

Environment and Welfare: Binder

  • Contains 98% recycled material
  • CO2 Footprint 26.26kg of CO2/tonne.
  • 100% Recyclable
  • VOC Virtually Zero
  • Protein free
  • Ergonomically friendly installation

General information


Screeds can be pumped directly to ten stories or above without danger of segragation, durable, suitable for underfloor heating, ergonomically friendly installation, protein free

Uniclass 2015

Ss_30_42_10_10 Bonded calcium sulfate-based screed systemsPrimary

Digital objects

Platform Compatible Version Certified to




Revit 2016


Download now from NBS National BIM Library

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