Check out our advice pages below:
How to Clean a Roof Without Pressure Washing
Do Tiles Need to be Re-Sealed?
Is it Safe to Pressure Wash a Roof?
Thermal Coating Scam Explained
Will Pressure Washing a Roof Invalidate a Guarantee
If you have been given a price from a roof cleaning or coating company, then we suggest checking out some of the cost guide websites that are out there.
Job Prices have a cost guide to roof cleaning and coating, there are also others such as Building Sheriff and Quotation Check which can be easily found online.