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Calcium sulfate-based screed systems

Uniclass category Ss_30_42_10

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Gypsol Diamond Polished Anhydrite Screed

GYPSOL - LKAB

Gypsol Diamond is a unique screed system designed to be used as a wearing surface once polished. It offers the versatility and practicality of anhydrite floor along with the beauty and durability of a polished concrete.

Strength:

  • Minimum C25 F4
  • Typical C35 F6

Typical Surface Performance (when polished) – Courtesy of Midland Flooring Ltd:

Slip Resistance:

  • Wet 37
  • Dry 58

Abrasion Resistance [1]:

  • AR1 (Suitable for light commercial and heavy foot traffic)

Gloss Value:

  • 65GU minimum
  • Stain resilient surface subject to suitable maintenance

Environmental Data:

Recycled Content

  • Binder 98%
  • Mortar up to 40%

Carbon Emissions

  • Binder 10 to 20kg/tonne
  • Mortar 20 to 40kg/m3

VOC: Virtually zero

Recyclability: 100%

[1] Independently tested by GT Certification Ltd (UKAS 2478) on behalf of Midland Flooring Ltd

Gypsol Solida heated screed system

GYPSOL - LKAB

The Gypsol Solida Heated Screed System comprises an underfloor heating technology into ground and separating floors in combination with Gypsol based flowing anhydrite floor screeds.

Gypsol Summit Flowscreed

GYPSOL - LKAB

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

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