Types of Sand for Construction: Complete Guide 2025

Introduction to Construction Sand

Sand is one of the most essential materials in construction, present in virtually all stages of a project. Choosing the right type of sand is crucial for the quality, durability and safety of the work. In this comprehensive guide, we explore all types of sand available on the market, their characteristics, applications and how to choose the ideal one for your project.

1. Washed Coarse Sand 0/4

Washed coarse sand is one of the most versatile options in construction. Its grains have diameters between 0 and 4mm, and it undergoes a washing process that removes impurities such as clay and organic matter.

Main Characteristics:

• Grain size: 0-4mm (coarse)
• Low clay content (less than 3%)
• High purity after washing
• Excellent drainage capacity
• High resistance to compression

Applications:

• Structural concrete: Ideal for slabs, beams and columns
• Masonry mortar: For laying blocks and bricks
• Pavements: Construction of paving bases
• Foundations: Lean concrete and foundation mortar
• Drainage systems: Excellent for water drainage

Advantages:

• Superior quality due to washing process
• Greater adhesion to cement
• Lower risk of cracks
• Longer durability of structures
• Compliance with European standards

2. Washed Fine Sand 0/1

Fine sand, with grains between 0 and 1mm, is essential for finishes and applications requiring a smooth, uniform texture.

Main Characteristics:

• Grain size: 0-1mm (fine)
• Very fine and uniform texture
• High purity
• Excellent workability

Specific Applications:

• Floor screeds: Perfect for obtaining a smooth surface
• Renders and plasters: Interior and exterior coatings
• Laying tiles and ceramics: Fine mortar for tiles
• Artistic finishes: Decorative coatings and textures
• Filling joints: Fine grout for joints

Tip for Use:

Fine sand requires more water in the mix due to its high surface area. Adjust the water/cement ratio to avoid excessive shrinkage and cracking.

3. Barrier Sand

Barrier sand, also known as pit sand, is extracted directly from natural deposits without undergoing washing processes. Its name comes from extraction in clayey areas (barriers).

Characteristics:

• Clay content between 5-10%
• Naturally moist
• Brown/orange color due to clay
• Variable grain size
• More economical price

Recommended Applications:

• Base concrete: Non-structural works
• Land leveling: Terrain regularization
• Secondary mortar: Less critical applications
• Fills: Filling ditches and excavations
• Temporary roads: Construction site roads

4. River Sand (Tagus River)

River sand, especially from the Tagus River, is highly valued for its natural characteristics acquired through water erosion over thousands of years.

Natural Characteristics:

• Round and smooth grains
• Naturally washed by river water
• Low content of organic materials
• Medium to coarse grain size
• Light color (beige/grey)
• Excellent purity

Applications:

• High quality concrete: Architectural and decorative works
• Swimming pool mortar: Resistant to constant humidity
• Sports surfaces: Beach volleyball courts, equestrian arenas
• Filters and drainage: Water treatment systems
• Landscaping: Gardens and decorative paths

How to Choose the Right Sand?

Criteria to Consider:

Quality Standards

All our sands comply with European standards EN 12620 for aggregates for concrete and EN 13139 for mortar aggregates. This ensures:

• Controlled grain size
• Absence of harmful materials
• Consistent quality
• Regular laboratory tests
• CE certification

Conclusion

Choosing the right sand is fundamental to the success of your construction project. Consider the type of application, work location and available budget. At Chambino Areias, we offer all types of sand with guaranteed quality and CE certification.

Our technical team is available to help you choose the ideal sand for your project. Contact us for a personalized quote and professional advice.