Power Washing Old Roof

When you pressure wash use the minimum force possible to pry the fungus free and wash it from the roof.

Power washing old roof.

Continue blasting dirt and debris by advancing downward along the roof s slope while steadily pushing dirt and debris down toward its edge. This homeowner attempted to clean his roof and you can see the granules that were removed due to his imprope. Pressure washing your roof can damage your roof. Never pressure wash your roof if you have asphalt shingles.

Don t use a pressure washer on the roof. The two main methods for roof cleaning are. Make washing easier by cleaning the highest points first so the dirty runoff flows over yet to cleaned sections. The high powered water jets can damage shingles and remove the shingle granules that protect the roof.

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. Not to mention using a pressure washer from a high place is dangerous. This is because the water comes out too forcefully and can damage the material. Roof designs vary greatly so don t treat this as an absolute must.

The power of pressure washers can be too much of a good thing. Apply a storebought or diy cleaning. 1 attach a 35 degree spray wand to the pressure washer hose and fill the pressure washer. Most contractors don t recommend pressure washing or power washing a roof.

Consumer reports experts share pressure washer cleaning advice for your deck roof siding car and more. Instead soft washing with a garden hose is least likely to chip dent or crack the tiles or panels.