Proper maintenance is the secret to a long-lasting and beautiful paver brick patio or walkway. Although pavers are durable, they can still suffer from wear and damage from normal use. Gouges, staining, broken pavers and weeds cause problems, but most issues are easily fixed if you attend to them promptly. Taking some time to check your paved surfaces and perform any needed maintenance once or twice a month can save you replacing the entire surface later.
Sweep paver surfaces weekly to remove grit, which can damage the pavers, and to prevent weed seeds from sinking into the joints. Remove leaves and other organic debris promptly, otherwise the debris creates damp conditions that can cause moss growth or staining.
Pull weeds from the joints as soon as you notice them so they don't form deep roots or damage the pavers. Grasp the weed near its base and pull it straight up so you can remove it without damaging the roots.
Inspect the joints between pavers regularly to make sure they're still filled with sand. Most paver surfaces don't have mortar, but instead are filled with loose paver sand. Sprinkle fresh sand along the joints and sweep it into place if the sand washes out. Mist the joints with water after adding fresh sand to settle and firm it in place.
Combine 3/4 cup chlorine bleach with 1 gallon of water. Coat moss-stained pavers with the solution and allow it to soak for 15 minutes. Scrub the pavers with a stiff brush after soaking to remove any stains. Bleach can kill plants, so avoid getting it on the lawn or other plants.
Paint a coat of paver brick sealer on top the pavers to minimize moss growth and stains. Apply one or two thin coats, allowing each coat to dry completely. Sealers usually need to be reapplied every two to three years to remain effective.
Replace broken pavers promptly. Lift the broken paver with the tip of a trowel or with a hooked length of wire. Spread a thin layer of sand over the ground and set a new paver in place. Tamp it down with a rubber mallet until the paver is even with those surrounding it.