How To Clean Block Paving

Last updated: 18 Apr 2024

Block paving is a beautiful addition to any home whether it is on a patio, walk or driveway, but over time, it becomes faded, stained and overgrown. Cleaning block paving can quickly and inexpensively restore the beauty and life of a block paving project.

How To Clean Block Paving

Block paving is a beautiful addition to any home whether it is on a patio, walk or driveway, but over time, it becomes faded, stained and overgrown. Cleaning block paving can quickly and inexpensively restore the beauty and life of a block paving project. Many companies who install block paving also offer a cleaning surface, which restores the surface without the need to purchase new tools or large bottles of chemicals. For the do-it-yourself homeowner, cleaning block paving is a weekend job that provides real satisfaction without backbreaking work. The total job may take anywhere from a few hours to a few days depending on the size of the block paving area to be cleaned. Be sure to pick a day or days where the weather is likely to be dry.

Cleaning Block Paving - First Steps To Cleaning

The first step to cleaning block paving is to remove any large weeds that may be growing in joints. Once the weeds are removed, apply a fungicide to remove algae, mold and moss. It is helpful have a chemical sprayer for this application since it will cover a larger area more quickly.

Be sure to use gloves and goggles when working with a chemical sprayer. Pretreat oil stains and other stains prior to jet washing. Many people disagree with jet washing block paving since it will remove some sand from joints however; it is not that hard to reapply the sand after the cleaning project is completed. A useful tool for cleaning block paving is a rotary pressure washer head used in conjunction with a jet washer. Many tool hiring shops have both jet washers and rotary head attachments available for hire. A rotary flat surface washing head keeps water splashing to a minimum, conserves water and directs the water flow more precisely at the surface. Using a jet washer will remove smaller weeds, stains and dirt without the need to scrub or use harsh chemicals.

Sanding And Sealing Block Paving

If the block paving had sand joints, it will be necessary to reapply kiln dried sand after washing. Purchase kiln dried sand and work into joints with a soft broom. Once the sand is reapplied, seal the block paving to prevent staining and mold and moss growth. The sealer may be applied with a roller or a sprayer.

How Often Should Block Paving Be Cleaned?

Cleaning and sealing block paving should be repeated every few years and will keep the block paving looking neat and beautiful for many years.

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