Power Washing Wood Shingle Roof

Read 4 reasons you should never pressure wash your house.
Power washing wood shingle roof. There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor. It will also leave gouge marks in the lower layers leaving them more vulnerable to the elements. Step 2 refinish shingles. Not to mention using a pressure washer from a high place is dangerous.
Staining the shingles on a regular basis will help them maintain their color and last longer. Power washing a composition roof will remove the protective granular from the outer layer of the shingles leaving the shingles less protected from the sun and other harsh weather conditions. A wood shingle roof should be washed carefully using a softwash process utilizing the correct detergents to insure the wood shingles are cleaned safely while maintaining the integrity of the wood and the natural oils that are in the wood. You should never power wash any kind of roof.
After the wood has dried normally 2 4 days you can let the wood age naturally or apply an oil based semitransparent stain. This is because the water comes out too forcefully and can damage the material. Most contractors don t recommend pressure washing or power washing a roof. Pressure washing is very effective but may be best for metal or concrete roofs.
Don t use a pressure washer on the roof. While an occasional cleaning might not harm your roof repeated use of harsh chemicals or the erosive effects of pressure washing can damage or shorten the life of asphalt shingles. Apply a storebought or diy cleaning. There is a chance that the pressurized water could damage your shingles.
The power of pressure washers can be too much of a good thing. Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home. Consumer reports experts share pressure washer cleaning advice for your deck roof siding car and more. It s generally not necessary to pressure wash a shingle roof for the purpose of removing ordinary dirt and leaves and pressure washing can potentially damage the shingles coating of protective grit.
Pressure washing will pull stain right off of wood surfaces. The high powered water jets can damage shingles and remove the shingle granules that protect the roof.