Clean the roof tiles with a high pressure water.
Chemical cleaning terracotta roof tiles.
This will let the chemical seep into the pores of the tiles.
Stormwater disposal systems should also be checked to confirm they re clear and working properly.
Prepare to start cleaning roof tiles.
Rent or buy a pressure washer and clean your tile roof using a solution of 1 percent household bleach to water.
Chemical treatment set your pressure washer to lower psi and spray cleaning solution on dry roof.
1 prepare to start cleaning roof tiles.
Start at the furthermost point and work backwards this ensures that you are walking on a dry surface.
The product needs to be diluted 1 part with 5 parts water in a garden sprayer.
Generously apply the solution to the dirtiest sections of the roof.
Operate your pressure washer at 1 200 psi and keep the nozzle at least one foot.
This will let the chemical seep into the pores of the tiles.
Follow the instructions on the container of roof wash you purchased.
Garry says that high pressure water cleaning is the best method for cleaning tiled roofs.
No chemicals are used in this process and gutters need to be flushed and cleaned for the job to be complete.
It sets into the pores of the clay tiles and cleans the grime and dirt.
2 use anti moss spray on roof tiles.
The clay tile roof wash is a special chemical formulated specifically for clay.
Step by step instructions.
Soak the area of the roof that you are going to clean.