How to seal block paving
If you have the right materials, sealing block paving is not difficult. You just have to follow a few
simple steps and the job will be completed easily and conveniently.
Sealing block paving is important to protect the paved areas from different elements and keep
them looking fantastic for years to come. Also, it prevents weed growth, which makes the paved
areas unsightly and reduces their lifespan.
When should you seal block paving?
Many people think sealing is required in old block paving to avoid repairs and replacements. But,
the fact is you should start working on sealing block paving a month after its installation. This
gap is recommended so that no efflorescence forms. With this, your paved areas will be
protected from the beginning and their look will stay intact forever.
Steps for sealing block paving
Clean the paved areas
Cleaning includes the removal of mold, algae, and lichen, the removal of oil stains, and pressure
washing of the surface. It is an important preparation step, leading to a long-lasting,
well-performing sealer coating.
To remove mold, algae, and lichen, you should use a strong weed cleaner. You should use the
weed cleaner as instructed on the packet. Later, you should use a low-pressure water sprayer to
remove the solution and clean the area.
To remove tougher oil or grease stains, you should use a strong stain remover. You should pour
the stain remover on the oil or grease stain. Make sure you cover the paved areas completely
with the stain remover. The remover takes time to dry. Once dried, you should sweep the surface
using a stiff broom and remove the dried product.
During preparation, pressure washing is important, whether you use the above products or not.
Pressure washing removes any contaminant as well as a little of the old sand to allow room for
the new sand that you will add later.
Sand or re-sand the joints
Make sure your paved areas are clean and dry before sanding or re-sanding. In this step, you will
need a broom and jointing sand t