It s important to note the contractor should use the correct technique and equipment.
Pressure wash concrete roof tiles.
This can remove or dull that glazing.
So most concrete tiles that are in average condition would easily withstand a high pressure clean.
Use water to clean your roof tiles.
Never jump between tiles.
Here are the basic steps to cleaning your tile roof.
So let s take a look at what you will find on your roof and discuss cleaning options.
This part of the tile is designed to gradually wear off until the tile needs to be replaced usually after 80 100 years of normal weathering.
As we look at what to use to clean the concrete tiles you will see that the product you use to clean does depend on what you are cleaning.
With tile most are manufactured with at least a light glazing on top of a slurry coating paint pressure washing tile requires a higher blasting pressure starting at 1500psi up to 3000psi.
Some people use high pressure water spray to clean the tiles but that can damage the tiles.
Initial power wash using the pressure washer wash the roof s surface.
Use water to spray off visible dirt and.
It s better to use an alow pressure water hose and gentle brushes to clean the tiles though only.
The most common roof tile material is concrete.
At this point the tiles become wet and slippery.
Chemical treatment set your pressure washer to lower psi and spray cleaning solution on dry roof.
Why you should never use a pressure washer on roof tiles the most common roof tiles in the united kingdom are made from concrete and have a sandy granular finish on the exposed side of the tile.