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Cleaning and Maintenance

A carefully planned maintenance programme is the best method to keep your pavers looking good for years to come. However, there will always be unavoidable stains.

01. Cleaning for Stains


  • During construction, cover the paved areas to protect against damage and possible staining from mortar or paint.
  • If your pavers do get stained, we suggest that you call a professional to clean the area.


  • Use acid and detergents to clean pavers as this may result in loss of depth of colour and damage to the surface of the product.

02. How to remove:

  1. Oil, grease and clay: As soon as the stain appears sweep away dry excess, remove with soap, water and a brush, then rinse.
  2. Cement powder: Brush or blow off to dry. Do not use water to remove cement as this will result in concrete forming and bonding with the concrete pavers.
  3. Concrete, plaster and paint marks: Call in a paving professional to assist with the cleaning of the paving. While not recommended, consumers can use a diluted acid-based cleaning product. However, it is extremely important to follow the chemical manufacturer’s instructions, specifically with regard to the dilution. After using the acid-based dilution wash it off with water as quickly as possible in order to prevent damage to the pavers. Hosing down the pavers prior to applying the acid dilution will prevent them from absorbing the acid dilution as they will soak up the clean water first.

03. Maintenance


  • sweep regularly to keep the pavers free of debris.
  • hose down pavers at regular intervals to stop the build up of dust and grime.
  • sweep in plaster sand once a year to replace sand that has been washed out by rain and hosing. (This is applicable if a flexible installation method was used).


  • use high pressure cleaning apparatus. This may wash out jointing sand and damage the grouting between pavers and will damage the pavers themselves.

04. Efflorescence

A natural phenomenon known as efflorescence occurs in all cast stone and concrete products.


  • is a “whitish” film that appears on the surface of the pavers.
  • consists mainly of the insoluble calcium carbonate (CaCO2).
  • should be seen as a passing ‘nuisance’. This white haze is often blamed on the manufacturer, unjustifiably so, as it is a natural phenomenon that occurs in ALL concrete products (this is because it is a natural by-product of all hardened concrete).
  • is caused by moisture reacting with lime and other minerals present in the cement and aggregates.
  • can be exacerbated by the material on which the concrete pavers lie. Naturally occurring salts in the bedding sand or bedding mortar will migrate to the surface of the paving and become apparent on the face of the paver.
  • will disappear over time – in the most severe cases it can take up to 2 years.
  • can be reduced (and in some instances eradicated) by using a dilution of Hydrochloric Acid – this sort of treatment may only be done by a professional paving contractor.
  • Note: The paving should be totally free from efflorescence if you are applying a sealant.

Please note: While every effort has been made to give you the best advice SmartStone cannot be held liable for any loss, damage or injury sustained by using SmartStone products, nor can SmartStone be held liable for products being used for any purpose other than that for which they were intended.

Head Office

Cnr Cresset and Musket Roads
Midrand Industrial Park
Phone: 011 310 1161