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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Cured material can only be removed mechanically. Use of safety goggles and chemical resistant gloves are recommended. Remove contaminated clothing immediately.

Wash thoroughly with soap and water. Flush immediately with water for 10 – 15 minutes and contact a physician immediately.

Chapdur Building Materials in Kasba Peth, Pune | ID:

Remove affected person to fresh air immediately and contact a physician. Wash hands immediately after use. Wash clothing before re-use. The base concrete shall be laid and compacted in accordance with good concrete practice with particular attention to bay edges and corners.

Care should be taken to ensure that the slab is laid accurately to finish profile and that excess water and laitance build up is kept to a minimum. Timing for application is crucial. A common rule-ofthumb practice is when light foot traffic leaves a 3 – 5mm imprint. Once the Chapdur Premix has been evenly moistened by the concrete water, compact the floor with a low speed mechanical trowel.


Do not overwork the Chapdur Premix and do not spray water to wet out surfaces treated with Chapdur Premix.

Sika Chapdur Premix

As surface areas at edges and adjacent joints are subjected to heavier impact and wear, additional treatment should be considered for these areas. Once the base concrete slab is levelled, sprinkle Chapdur Premix along the edges and compact into the surface using a steel trowel. Apply 0,6kg per lineal metre over a width of mm. 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.

In practice, the differences in materials, chapdir 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.

The proprietary rights of third parties must be observed. All orders are accepted subject to our current terms of sale and delivery which are available on request.

Users should always fhapdur 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 internet under www.


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

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: Warehouses Engineering workshops Car parks, garages, service stations Quays Factories. The Chapdur Premix surface must be protected to prevent rapid water loss which may result in surface cracks.

Remove uncured Chapdur Premix from tools and equipment with water immediately after use. Chapdur Premix contains Portland Cement, Silica, and other graded aggregates. Chapdur Premix shall be broadcasted evenly over the still fresh but stiff premi.

When Chapdur Premix is prmix too early, water needed for hydration of the concrete will be absorbed and this may affect the strength of the concrete surface layer. Collect with suitable absorbent material. Dispose of in accordance with local regulations. Contact Sika for further health and safety information.

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