Product Data SheetEdition 6, Version no. Sika Chapdur® -Premix Construction Non-Metallic Floor Hardene. Find out all of the information about the Sika France SAS product: hardener admixture / for floors / for flooring screed / for concrete SIKA® CHAPDUR® PREMIX. CHAPDUR® PREMIX Gray is a surface hardener for concrete floors.

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The Chapdur Premix surface must be protected to prevent rapid water loss which may result in surface cracks.

In chapdkr, the differences in materials, substrates and actual site conditions are such that no warranty in respect of merchantability or of fitness for a particular purpose, nor any liability arising out of any legal relationship whatsoever, can be inferred either from this information, or from any written recommendations, or from any other advice offered.

Chapdur Premix is a ready to use blend of graded hard aggregates of mineral origin, pigments and Portland Cement.

When Chapdur Premix is applied too late, there will be insufficient moisture from the concrete to complete the hydration process of Chapdur Premix and may cause crazing or pitting. Once the Chapdur Premix has been evenly moistened by the concrete water, compact the floor with a low speed mechanical trowel.

Apply 0,6kg per lineal metre over a width of mm. Once the base concrete slab is levelled, sprinkle Chapdur Premix pfemix the edges and compact into the surface using a steel trowel. Use of safety goggles and chemical resistant gloves are recommended.


Chapdur Building Materials

Do not overwork the Chapdur Premix and do not spray water to wet out chapdu treated with Chapdur Premix. Warehouses Engineering workshops Car parks, garages, service stations Quays Factories.

Wash clothing before re-use. Cured material can only be removed mechanically.

Chapdur Premix®

Chapdur Premix is used as a dry shake, nonmetallic surface hardener for new concrete floor slabs and screeds where good abrasion resistance and reduced dusting is required, such as in: Chapdur Peemix shall be broadcasted evenly over the still fresh but stiff concrete. Wash thoroughly with soap and water. Remove uncured Chapdur Premix from tools and equipment with water immediately after use. When Chapdur Premix is applied too early, water needed for hydration of the concrete will be absorbed and this may affect the strength of the concrete surface layer.

Remove contaminated clothing immediately.

Dispose of in accordance with local regulations. Contact Sika for further health and safety information. Chapdur Premix contains Portland Cement, Silica, and other graded aggregates. Remove affected person to fresh air immediately and contact a physician. All orders are accepted subject to our current terms of sale and delivery which are available on request.

Chapdur® Premix Gray – Soil and finishing works – Hammami Counter Tunisia

Care should be taken to prremix that the slab is laid accurately to finish profile and that excess water and laitance build up is kept to a minimum. The proprietary rights of third parties must be observed. Timing for application is crucial.


As surface areas at edges and adjacent joints are subjected to heavier impact and wear, additional treatment should be considered for these areas. A common rule-ofthumb practice is premis light foot traffic leaves a 3 – 5mm imprint.

The Company reserves itself the right to change the formulation of Sika products if so required by new research and development.

Chapdur® Premix Gray

Wash hands immediately after use. Flush immediately with water for 10 – 15 minutes and contact a physician immediately. The base concrete shall be laid and compacted in accordance with good concrete practice with particular attention to bay edges and corners.

Users should always refer to the most recent issue of the Technical Data Sheet for the product concerned, copies of which will be supplied on request, or can be accessed on the premis under www. Collect with suitable absorbent material.