INSIGHTS & GUIDES

What Are Blocks and Bricks?

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Archive article: This is an English translation of the source article dated 2018. Prices, promotions, statistics and specifications reflect the source period. Please contact us for a current quotation.

Blocks have been used for thousands of years. Houses in the past were small and simple in construction, but took a long time to complete because people produced blocks by drying lumps of clay or mud. These were shaped by hand or in molds and left in the sun until dry and ready for use in construction.

Blocks have been used for thousands of years. Houses in the past were small and simple in construction, but took a long time to complete because people produced blocks by drying lumps of clay or mud. These were shaped by hand or in molds and left in the sun until dry and ready for use in construction. As construction developed and housing associations and building firms became more widespread, demand for building materials increased. Because the stone previously used in construction was no longer readily available, blocks became the only alternative. Architecture has advanced considerably up to the present day, and building homes in record time now depends on labor, available building materials and modern construction equipment. Every property, whatever its type, relies on what we call blocks: the strong units that form its walls.

 

Concrete blocks What is a concrete block?

Concrete block mix:

Blocks are produced by mixing ingredients in proportions that meet construction-block specifications, then pressing the mixture in dedicated block making machines. Blocks, or bricks, are made from cement, sand and fine gravel. They are somewhat heavier when ordinary aggregate is used, while their weight falls by half when lightweight pumice aggregate is used.

Brick ingredients: cement, fine gravel, sand and water, mixed in specified proportions and left to dry before use in construction.

 

Types of concrete blocks

 

Types of Concrete Blocks:

Concrete blocks have been used for a long time and became widespread in the early 1980s. Many types are available, classified by size and purpose, including:

Solid concrete block

– Solid blocks:

These bricks have no internal voids and were formerly used to build load-bearing walls.

This type withstands high pressure, with a breaking strength of at least 70 kg/cm³.

Available sizes: 6×12×25 and 6×10×20.

Hollow blocks:

These blocks contain manufactured voids or holes and fall into two types:

  • Lightweight hollow blocks: these are very light in relation to their compaction and mixture, owing to the type of aggregate used, which contains a high proportion of voids. Their high price limits their use to special cases, such as when some structural materials fail a test, additional loads were not accounted for in the design, or the roof has long spans.
Concrete blocks and bricks Concrete blocks and bricks

  • Ordinary hollow blocks: these blocks have voids and holes and are used throughout external and internal walls. They are available in all sizes according to their intended use.

Types of concrete blocks

– Ordinary hollow blocks are divided into several types, including:

Size 20 block: used for external walls or architectural purposes.

Size 15 blocks: Used for internal and external walls.

Size 12 blocks: used for internal partitions

Size 10 blocks: Used for internal partitions.

Size 10 concrete block Size 15 concrete block Size 20 concrete block Size 30 concrete block

Concrete blocks and bricks

– Insulated Blocks:

This type is lightweight, weighing one-third as much as a concrete block.

It is easy to carry and install, with high strength relative to its weight and good thermal and sound insulation. It is economical, quick to install and easy to route services through. It also offers fire resistance and low moisture absorption.

Stone block applications in brief:

  1. Residential and commercial construction.
  2. Road and civil engineering projects.
  3. Boundary enclosures and fences.
  4. Decoration and visual design.
  5. Landscaping and gardens.
  6. Large industrial and commercial projects.
  7. Agricultural projects.
  8. Environmental protection and dams.

How much does a concrete brick generally weigh?

Concrete brick weight varies with size, type and composition. Standard bricks used in construction generally weigh between 6 and 8 kilograms each. However, always check the weight of the specific brick intended for a project before starting construction.

Types of concrete blocks

Concrete block prices:

Concrete block prices vary by country, region, local economic conditions, size, type and quality. Prices are generally quoted by block unit, such as per piece or per square meter of blocks.

For accurate local concrete block prices, contact building material suppliers or specialist retailers. You can also search online for current prices in your area.

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