Multiboard (External)

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The object content is configured for use in UK, but it may also be suitable for use in other locations.

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Waterproof, thermally insulating tile backer board for external use providing an effective decoupling layer between the tiled surface and the substructure. This helps to prevent tiles and grout from cracking due to horizontal movement in the floor and allows heavy weights to be safely and securely fixed to walls.

An internal board is available, specified separately.

Features and benefits:

  • Lightweight.
  • Dimensionally and structurally stable in all weather conditions.
  • Resistant to freeze-thaw damage.
  • Impermeable to water, and acts as a moisture barrier.
  • Thermal insulation is unaffected by various temperatures.
  • The cementitious surface is resistant to heat and chemicals.
  • Can easily be cut in straight lines.
  • Provides enhanced tile adhesion.
  • Load bearing capacity exceeds 100 kg/m².
  • Boards can be aligned horizontally or vertically.
  • Does not contain any hazardous substances.
  • Manufactured in accordance with ISO 9001 Quality Management Systems and BS EN 5385-2, and CE marked to EN 13164.
Platform Compatible Version Certified to
IFC IFC - 1 2.1
Revit Revit - 1 2.1

  • Properties and values
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Properties and values

COBie
BOS_General
NBS_Data
CoefficientOfLinearExpansion
To ASTME831, 0.07 mm/mK. To ASTMD696, 30 x 10^-6 K^-1
CompressiveStrengthMinimumAt10PercentCompression
>400 kPa
ContainsRedListMaterials
n/a
CountryOfMaterialOrigin
n/a
CountryOfProductManufacture
n/a
Density
To DIN53420, 36 kg/m³
Edges
n/a
EmbodiedCarbon
n/a
FaceSizeLengthXWidth
1250 mm (±5 mm) x 600 mm (±2 mm), 2500 mm (±5 mm) x 600 mm (±2 mm)
Facing
n/a
FirePerformance
Euroclass E
FlexuralStrength
To ASTMC203, >200 kPa
GlobalWarmingPotential
<0.29
ImpactSoundReduction
To BS EN1408, 21 dB
MaximumTileLoadingWeight
>100 kg/m² (dependent on adhesive and wall type)
OzoneDepletingPotential
0
Recyclability
n/a
RecycledContent
n/a
Standard
To BS EN 13164
ThermalConductivityMaximum
0.034 W/m·K
ThirdPartyProductCertification
BBA Certificate: 09/4687
WaterAbsorptionCapillary
To DIN53428, 0
WaterAbsorptionTwoDayImmersion
To EN12087, <1% by volume
WaterVapourDiffusionFactor
To EN12086, 110ȓ225
WaterVapourPermeability
To EN12086, 3.2 m
Pset_CoveringCommon
Pset_CoveringFlooring
Pset_WallCommon

More information

  • NBS specification data
    Case studies and technical literature
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