Paver stones used for patios, walkways and driveways require periodic cleaning to keep them looking their best. Address stains as quickly as possible; the longer the stain sits on the stones, the harder they are to remove. In most instances, the use of household items will adequately clean stains off paver stones.
Treat and remove all stains before using a pressure washer to clean paver stones. Hold the cleaning wand at an angle to the stones to avoid damage to the sand or grout between the stones.
Moss will grow on paver stones that are shaded completely or do not receive much sunlight. The moss presents a slip and fall hazard. If possible, trim trees or bushes to allow more sunlight onto the pavers. Moss can be removed by using a pressure washer, but will re-grow quickly. For longer lasting removal, treat with a solution of household bleach and water. Mix 1 cup of bleach to 1 gallon of water. Apply with a garden sprayer, scrub with a stiff brush, and allow soaking for 15 to 20 minutes. Rinse thoroughly bleach remaining on the pavers can be slick.
Oil and Grease
Blot the oil stain with rags do not rub. Cover the stain with oil absorbent clay, such as clay-based kitty litter. Allow to sit on the stain for 24 hours and sweep up. Any remaining stain treated with dish washing detergent in a bucket of hot water. Scrub with a stiff brush. Rinse completely. This may have to be repeated several times to completely remove old oil stains. Prevent future oil stains by laying a sheet of cardboard underneath the engines of parked cars.
Blood and Food Stains
Apply liquid detergent to the stains, allow to sit for 20 to 30 minutes, then rinse with hot water. The sooner this stain is treated, the easier to remove.
Leaf and Tobacco stains
Apply household bleach and scrub with a stiff brush. Wear gloves and eye protection. Rinse thoroughly.
Tire Skid Marks
Scrub with water, detergent and scouring powder. Use a stiff scrub brush and rinse with plenty of water.
Blot up spills as soon after the spill as possible. Scrub latex paint spills with scouring powder and water. Any remaining paint can be removed from the paver stones with paint stripper. Read and follow the directions carefully. Oil paints require the use of paint stripper for removal.
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