Gypsol Modular Gypsum Based flowing screed

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Modular 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 is specially formulated to enable its use in modular construction.

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.
Platform Compatible Version Certified to
IFC IFC 2X3 3 1.3
Revit Revit 2016 + 5 2.0

  • Properties and values
  • More information
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Properties and values

COBie
NBS_General
NBS_Data
BondingCoat
Epoxy, Polyurethane ,or Acrylic
ConduitCover
25 mm
DampProofMembraneMaterial
n/a
EdgeStripsAtPerimeterAbutmentsJointing
Taped
EdgeStripsAtPerimeterAbutmentsType
Extruded polyethylene with laminated polythene skirt attached
EdgeStripWidth
8 mm (heated), 5 mm (unheated)
FootTrafficHardeningTime
24 to 48 hours
HasUnderfloorHeating
FALSE
InsulationJointing
n/a
InsulationMaterial
n/a
InsulationThickness
0
LoadingTime
5-7 days
MaximumBaySize
Unheated: 800 m², aspect ratio 8:1, length 40 m; Heated: 300 m², aspect ratio 6:1, length 20 m
MovementJointsBedding
n/a
MovementJointsFixing
Taped
MovementJointsType
Saw cut to one third of screed depth, or preformed rigid insulation joints
Preparation
n/a
ScreedReinforcement
Rolled steel beams
ScreedSurfaceTreatment
Sanded to remove surface laitance
ScreedThicknessMinimum
25 mm
ScreedType
Gypsol Modular Gypsum Based Flowing Screed
SeparatingLayerJointing
n/a
SeparatingLayerMaterial
n/a
SubstrateThickness
n/a
SuitableCoverings
Suitable to receive all floor coverings
SuitableSubstrates
Galvanized netal dovetailed sheeting, timber
SystemAccessories
Optional underfloor heating
Pset_SlabCommon

More information

  • NBS specification data
    Case studies and technical literature
  • More BIM objects

    What's Changed?

    6/12/2017

    Uniclass 2015 update

    5/15/2017
    1/19/2017