Never pressure wash your roof if you have asphalt shingles.
Power washing wood shingle roof.
Consumer reports experts share pressure washer cleaning advice for your deck roof siding car and more.
Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.
Staining the shingles on a regular basis will help them maintain their color and last longer.
This is because the water comes out too forcefully and can damage the material.
The high powered water jets can damage shingles and remove the shingle granules that protect the roof.
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.
Pressure washing is very effective but may be best for metal or concrete roofs.
Most contractors don t recommend pressure washing or power washing a roof.
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.
Step 2 refinish shingles.
Read 4 reasons you should never pressure wash your house.
It will also leave gouge marks in the lower layers leaving them more vulnerable to the elements.
Instead soft washing with a garden hose is least likely to chip dent or crack the tiles or panels.
Apply a storebought or diy cleaning.
The power of pressure washers can be too much of a good thing.
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.
There is a chance that the pressurized water could damage your shingles.
Pressure washing will pull stain right off of wood surfaces.
There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.
Not to mention using a pressure washer from a high place is dangerous.
The water pressure will remove the granules that are important for protecting your roof.
Don t use a pressure washer on the roof.