Cement and Brick Dust COSHH Assessment Form

A three-page COSHH Assessment Form for Cement and Brick Dust, with some example text reading:

Contents/Ingredients of the product

Calcium silicates are contained within bricks and concrete, as well as sands.

Cement dust is a fine powder generated primarily during cement's manufacturing, handling, and transportation processes. A common component of this dust is crystalline silica, which poses serious health risks when inhaled. Prolonged exposure to cement dust can lead to respiratory issues such as silicosis and chronic obstructive pulmonary disease (COPD). Additionally, cement dust is known to cause skin irritations, eye inflammation, and, in some individuals, allergic reactions. To mitigate the health hazards associated with cement dust, it is essential to implement proper ventilation in workspaces and utilise suitable personal protective equipment (PPE), such as dust masks and safety goggles. The Health and Safety Executive (HSE) has underscored the dangers of respirable crystalline silica (RCS), urging construction professionals to take precautions when working with various materials that may contain it, including cement.

In contrast, brick dust refers to a fine, typically red-colored powder obtained through the crushing of ceramic bricks. This material serves multiple purposes in construction. As a weak pozzolan, brick dust can react with lime in water to form cementitious compounds, enhancing the properties of mortars and concrete mixes. Furthermore, brick dust is often employed as a pigment or colouring agent, adding aesthetic value to mortars and other building materials. Its fine particle size also contributes to the permeability of mortars, allowing for better moisture management in structures. However, the pozzolanic activity of brick dust can vary significantly based on the type of brick used and the brick's firing temperature during manufacturing. Notably, Celtic Sustainables emphasises that, beyond its role as a colourant, brick dust can impart a mild strengthening effect to mixes, potentially improving the durability of constructed elements.

This document is:

• Recognised by local authorities
• Recognised by principal contractors
• Suitable for CDM sites
• Approved by H&S managers

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