Concrete and clay tiles have small pores that can only be cleaned by a manual brushing or with the use of a pressure washer.
Jet washing concrete roof tiles.
You should also have the recommended nozzles appropriate for your type of tiles.
Roof tile cleaning cost.
Power washing the tiles will remove fines in the concrete which will affect the lifespan of the tiles.
The best method for cleaning and maintaining concrete and clay tile roofs are exterior cleaning solutions like bio shield.
I also read the the industry body advised against jet washing the tiles as it can damage them because they lose their protective coating and because of people walking on them.
I dont fancy replacing my otherwise good but over 70 year old roof tiles.
The trend for cleaning roofs is now very common yet few companies add a long term answer as cleaning alone takes the surface off the roof tiles.
1 200 to 1 500 psi is adequate to remove dirt and stains without.
Roof tiles or slates gradually change in appearance over time through the action of natural weathering.
The use of high powered jet washes is not recommended.
Concrete adding a moss killer industrial not diy store is still only going to prevent moss coming back within 18mths 2yrs.
These materials can last much longer than asphalt but take extra care to clean without damage.
Can you walk on roof tiles.
Older concrete roofs can also begin to leak from small pinholes or porous areas in the tiles that are opened up by the high pressure water jet.
Hire an experienced pro to help make sure that your project doesn t turn into a repair job.
Roof tiles average 425 to clean.
Concrete tiles shingles and shakes marley solartile.
As a manufacturer of concrete roof tiles we would not advocate power washing or recoating tiles as this would invalidate any guarantee.
Can i clean or jet wash my roof.
What are others views on this and how else can we have the tiles cleaned moss removed etc.
Tiles made of ceramic clay or concrete were not meant to support human weight.