Apply it with a pump sprayerlet it sit for about 15 minutes before rinsing it off with with a garden hose.
How to clean cedar roof.
Use a 12 volt pump system with pressure of about 60 psi.
A soft wash also known as a non pressure wash is where you take low pressure water and spray down a surface.
Walk up near the apex of your roof and begin to spread the cleaner across the shingles using right and left motions.
The cedar bureau recommends using a solution of 1 part bleach to 3 parts water.
Avoid holding the nozzle of your cleaning rod near your shingles and apply the spray from above the shingles rather than from below.
In addition they have the potential to retain moisture which will allow dow wood destroying fungus to begin growing.
Prepare enough of the mixture to cover the entire roof.
Cleaning away the age is the first step in caring for cedar shingles.
This is important as standard high pressure power washes might damage cedar shingles.
Avoid using pressurized cleaning equipment with too much pressure.
To clean your cedar you will need a mix of the appropriate cleaning solution and water.
This includes things like fallen leaves conifer needles mosses and lichens.
This kind of debris can make it harder for any water runoff of the roof.
Step 3 cleaning with a liquid cleaner.
Be sure to keep the hose pointed downward to avoid forcing water up behind the shingles.
Attach the sprayer to a machine and take it onto your roof.