Gypsol HTC Thermal Screed

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HTC screed is a thin, highly thermally efficient flooring screed perfect for the encapsulation of underfloor heating systems, either warm water or electric. Made using Gypsol binder and specially selected sands ready-mixed with water in quality assured facilities it offers an exceptionally high thermal conductivity.

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: Min C30 F5.
  • Reaction to Fire: Class A1f.

Environment and welfare:

  • Contains 98% recycled material.
  • Carbon Footprint (binder) 26.26 kg 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 + 4 2.0

  • Properties and values
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Properties and values

COBie
NBS_General
NBS_Data
ApplicationMethod
Machine pumped, finished with dappling bar
ApplicationTemperature
5-30°C
CalciumSulphateContent
>85%
Certification
CE Marked
CompressiveStrength
C35
CoverToConduits
20 mm
Density
Wet: 2200 kg/m³, Dry: 2000 kg/m³
Drying
1 mm/day for first 40 mm, 0.5 mm/day thereafter
EN13813
CA-C35-F7 (typical), CA-C30-F5 (minimum)
FlexuralStrength
F7
FlowRate
270 mm ± 30 mm
FootTrafficHardeningTime
24 to 48 hours
ForceDrying
7 days
Form
Ready mixed
HasUnderfloorHeating
True
LoadingTime
7 days
MaximumBaySize
Unheated: 800 m², aspect ratio 8:1, length 40 m; Heated: 300 m², aspect ratio 6:1, length 20 m
MaximumThickness
n/a
MinimumThickness
Floating (domestic): 35 mm, Floating (commercial): 40 mm
Mix
n/a
PotLife
Place and finish within 3 hours of batching
Shrinkage
≤0.2 mm/m
SuitableCoverings
Suitable to receive all floor coverings
SuitableSubstrates
New and existing timber floors, lewis decking, concrete, masonry
TensileAdhesion
n/a
ThermalConductivity
Minimum 2.3 W/mK
UnderfloorHeatingCompatible
True
Yield
Dry: 2 kg/mm/m², Wet: 2.2 kg/mm/m²
Pset_CoveringCommon
Pset_CoveringFlooring

More information

More BIM objects

What's Changed?

1/19/2017

Changes to reflect updates to the NBS BIM Object Standard v1.3

  • Removal of Uniclass2 property
  • Addition of Uniclass 2015 properties
  • Addition of COBie Category property value

Objects have also been updated to Revit 2015