Power Washing Concrete Roof Tiles

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Power washing concrete roof tiles.

What are others views on this and how else can we have the tiles cleaned moss removed etc. As a manufacturer of concrete roof tiles we would not advocate power washing or recoating tiles as this would invalidate any guarantee. Pressure washing in which highly pressurized water is sprayed on the roof to remove any mold algae dirt or grime and chemical cleaning sometimes called soft washing in which chemicals are the main thing that are removing those harmful things from your roof. So we thought it would be a good idea to pressu.

I dont fancy replacing my otherwise good but over 70 year old roof tiles. As a manufacturer of concrete roof tiles we would not advocate power washing or recoating tiles as this would invalidate any guarantee. This allows dirt mold and mildew to accumulate and grow faster. By comparison a fire hose sprays at 150 to 300 psi.

Cleaning tile roofs is easy. Advice from nfrc national federation of roofing contractors. 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. Here are the basic steps to cleaning your tile roof.

Use water to spray off visible dirt and debris including leaves dead insects and twigs. Initial power wash using the pressure washer wash the roof s surface. Power washing the tiles will remove fines in the concrete which will affect the lifespan of the tiles. Pressure washers use 1 300 to 2 800 pounds per square inch to strip dirt moss and even paint from a surface.

As long as you have the appropriate tools and materials it can even be fun. This can remove or dull that glazing. The average garden hose sprays water at 40 to 80 psi. This pressure will erode a surface layer causing it to be more porous.

The two main methods for roof cleaning are. Power washing the tiles will remove fines in the concrete which will affect the lifespan of the tiles. Instead soft washing with a garden hose is least likely to chip dent or crack the tiles or panels. 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.