Power washing is when a high-velocity water spray is used to clean the exterior of a house.Before painting or re-painting your house, this type of cleaning is important.New paint can last longer if the surface is clean.Once you learn how to pressure wash a house, you can use pressure washing equipment on most types of housing material.
Step 1: A pressure washer is the best for the job.
Different housing materials can be used.The spray power is between 1,200 and 3,000 pounds per square inch.Softer housing materials, such as painted soft-grain wood and aluminum, require a larger model to prevent pressure damage.You may need a wide spray nozzle to distribute water pressure.Stronger non-painted surfaces, such as vinyl, can be cleaned better with a more powerful model.The models work fast.If you plan on using a cleaning solution, choose a pressure washer that has a detergent dispensers.
Step 2: Light bulbs, shrubs and plants should be protected from harmful water pressure.
Drop cloths or plastic covering can be used.
Step 3: You can power wash the surface with a brush.
Step 4: Put the cleaning solution in the pressure washer's detergent dispensers.
For every 4 gallons of washing water, combine 1 pound of a non-phosphate concentrated cleaner.
Step 5: The garden hose needs to be connected to the pressure washer.
The water should be turned on when you are ready.
Step 6: To test how to pressure wash a house, hold the pressure washer nozzle with both hands from the wall.
When you feel the spray is strong enough to remove dirt, move it closer.
Step 7: Go to the top of the house.
The spray roof overhangs are at an angle of 45 degrees.The spray should be moved from one side to the other.
Step 8: You can rinse from the top down with a garden hose.
The house siding should be dry at least 2 days before painting.