Paver & Stone Cleaning

Wash away mould, stains & grime from your path or patio. Low pressure paver & stone cleaning by John from All Exterior Cleaning.

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PAVER & STONE CLEANING BRISBANE

Improve the look and value of your home or office

The paver & stone surfaces around your home, office, factory, workshop, cafe etc need cleaning regular. They will eventually gather dirt and moisture that feeds the mould, get tannin stains from wet leaves, have bird & bat droppings, cars & trucks will leave tyre marks & oil stains, and there will be grease marks from the BBQ. These are all ugly and can be slippery. But with the right cleaning chemicals & the right water pressure your pavers can be clean again.

Improve the look and value of your home or office. You need to protect your investment, whether you live there rent it out or work there. Reclaim your valuable, clean and welcoming home and office.

Types of pavers

  • Clay
  • Terracotta
  • Concrete
  • Sandstone
  • Reconstituted sandstone
  • Slate
  • Granite
  • Brick

The pavers will have sand or cement mortar in the joints which needs to be protected as it breaks down and weathers away. You may even need to make repairs to the mortar or replace the sand once the pavers are clean and dry.

How to clean pavers and stone

Pavers and stone are usually much softer than concrete, plus they have sand or soft mortar in the joints, this means that a different method than used for concrete cleaning is needed. It is the same principle “kill the mould, lift the dirt, wash it all away”. The cleaning solution needs to be strong enough to actually kill the mould and lift the stains, the pressure needs to be just enough to lift the dirt without damaging the pavers or stone, and the rinsing needs to be thorough to actually rinse it all away.

THE PROCESS

Steps to cleaning pavers and stones

  1. http://pebama.cz/1674-dtcz20203-c Clear Surfaces
    Blow dirt, leaves & other loose debris away
  2. Roi Et Spot clean
    Spot clean any heavy or special stains
  3. http://advanceddentalmn.com/make-your-oral-fears-vanish-with-dental-sedation Apply cleaning solution
    The cleaning solution is applied and reapplied until everything is thoroughly wet, then scrubbed with a stiff broom if needed, and allowed to penetrate and kill the mould & lift the dirt
  4. Jais Pressure Wash
    Low or medium-pressure water is applied during the cleaning process as much as needed and then low pressure is used to rinse way the excess
  5. Re-Treat Deep Stains
    Deeps stains are re-treated and washed again as required. With outmost care and the usage of lowest pressure possible, it enables me to decrease the probability of washing away loose sand and mortar to achieve the required outcome

Many people think that an acid is needed to clean concrete, but this is not true. Acids generally break minerals apart, and as concrete is made of natural minerals, many acids will break the concrete apart and (hopefully) take any dirt or other contaminates with it. This method breaks up the smooth top surface and leaves you with a rougher surface that catches more dirt (getting dirtier quicker). A weak acid (like Oxalic acid) can be used to “brighten” old concrete, but this shouldn’t be done very often due to the damage it can cause.

Bleaches and degreasers will not damage the concrete as they only break up fats, oils and other organic matter.

LONG LASTING PROTECTION

Sealing your pavers and stones

Now clean, your pavers and stone should be protected from more mould, dirt, oil etc with a high-quality sealer.

Sealer types

  • Penetrating – invisible; don’t change the slip resistance and long wearing, can be walked on a couple of hours after application
  • Surface coating, clear and coloured (acrylic, urethane) – a coating that can wear or chip, is slippery when wet, wet look gloss or satin finish, takes days to cure
  • Combination sealers that penetrate to last a long time, but also leave a coating that brings out the colours in your stone

Paver Cleaning Techniques