No.3 Sand – Washed Graded Sand for Screeding Applications
No.3 Sand is a high-quality, washed and graded coarse sand ideal for use in cement-based screeds and mortars. It features a consistent grain size typically in the 0.6mm–1.2mm range, offering excellent compaction, strength, and workability in screed formulations.
This sand is the recommended aggregate for mixing with Technokolla Kronos, a high-performance screed binder used to create bonded and unbonded screeds over concrete substrates.
Key Properties:
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Washed & Graded: Ensures purity and uniformity for consistent screed performance
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Ideal Granulometry: Optimal grain size distribution supports mechanical strength and crack resistance
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Low Clay Content: Reduces risk of shrinkage, efflorescence, or bonding issues
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Improved Workability: Provides a smoother, more workable mix when combined with screed binders like Kronos
Main Uses:
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Traditional or Rapid-Setting Screeds: Especially suitable when used in combination with Technokolla Kronos
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Internal and External Floors: Suitable for both bonded and floating screeds in residential, commercial, and industrial applications
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Preparation of Sloped Surfaces or Falls: Used in wet areas such as bathrooms and balconies
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Underlay for Tiling and Flooring Systems
No.3 Sand is trusted by flooring professionals for its performance, consistency, and compatibility with advanced screed systems. When paired with Kronos, it delivers a durable, dimensionally stable screed ready for tile installation or other floor finishes.
