Any identified faults need to be repaired before roof cleaning commences because high pressure spray could cause roof leaks if the tiles are compromised.
High pressure clean roof tiles.
Power washing roof tiles with high pressure devices can damage your roofs underlay and places undo pressure on the material beneath the tiles which can cause ripping and tearing.
It is a quick and easy way to remove all dirt and growth from the surface of your roof.
It s better to use an alow pressure water hose and gentle brushes to clean the tiles though only.
Some people use high pressure water spray to clean the tiles but that can damage the tiles.
At this point the tiles become wet and slippery.
A typical roof is designed to withstand the elements but it isn t designed to protect your roof from water hitting it at such high pressure.
Use water to clean your roof tiles.
Give the anti moss spray time to do its job and then use the high pressure cleaner to wash the tiles down.
This can achieve great looking results with minimal outlay of effort.
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Plan to wash clay tiles roofs about every two years to keep mold and algae at bay.
This will remove all the moss and lichen as well as any built up dirt.
Rent or buy a pressure washer and clean your tile roof using a solution of 1 percent household bleach to water.
Cleaning with high pressure.
Working on cleaning a tile roof which wasn t cleaned for the last 5 years.
As you did in the previous step walk backwards when you are spraying away from the wet tiles and onto the dry.
Clean the roof tiles with a high pressure water spray.
The ridge of a roof i e the high point where two tiled roof surfaces meet should be checked and cleaned along with the integrity of all cement bedding under each tile.
This is done from top to bottom in order to avoid water under the tiles.
Before cleaning the roof tiles one uses a high pressure cleaner with a dirt blaster.
Operate your pressure washer at 1 200 psi and keep the nozzle at least one foot away from the tiles as you work.
Now its time to wash the anti moss spray and other debris of the roof.