What is the best way to clean a tiled roof?

A simple yet relatively manual method of cleaning roof tiles is to scrape off the moss, algae and dirt by hand. Using a tool such as a trowel, scrape the moss and dirt away from the tiles. The drier the day the better, because the moss and other materials will not be stuck to the tiles with moisture.

How do you clean a roof top?

Scrub Roof Surface

  1. Start by rinsing the roof surface with a low-pressure power washer. Use a tool with 2,000 psi or lower pressure.
  2. Apply a mild, non-abrasive cleaning solution to the surface with a soft-bristled, long-handled brush.
  3. Rinse the cleaner and dirt off the roof with the pressure washer.

What is the best chemical to clean a roof?

Experts agree that sodium hydroxide is the product of choice for homeowners who want to clean their concrete, tile, and the materials of their slate roof. Another chemical solution that can be used for cleaning your roof is sodium hypochlorite. This substance turns into salt when all traces of water have evaporated.

What chemicals are used to soft wash a roof?

When professionals think of soft washing roofs and siding, the top cleaning chemical used is a professional-grade 12.5% sodium hypochlorite, or bleach, mixed with water.

How often should you clean your roof?

Generally, it is a good idea to get your roof cleaned by professionals once a year. This is often enough to where if problems develop, they can be caught early on. If you have a roof that is in good shape or was just recently installed, then you may only need a roof cleaning once every two years or so.

Why you should not pressure wash your roof?

NEVER aim your pressure washer up the roof, as it can push water under the shingles. Spraying water under your shingles can both tear off the shingles and force water under them and into your home.