It s recommended to pull out the garden hose and douse your home siding every 6 12 months.
Pressure wash concrete siding.
Concrete needs at least a year to bond in a way that can handle this type of pressure.
Avoid direct sunlight and let the detergent sit for 5 10 minutes.
This is one of the few ways that you can damage it.
The short answer is yes incorrect pressure washing techniques can damage concrete among many other materials.
Only use a pressure washer at a distance of 6 feet or more.
If you feel that you need to use a pressure washer especially on harder to reach locations only use it at a low pressure under 1500 psi with a wide tip.
If you need to clean concrete without using so much pressure you can try mixing water with dishwashing detergent and scrubbing off the stain or discoloration yourself.
While pressure washing can rid your driveway deck or home siding of damaging mold dirt and grime it can also cause lots of damage.
Make sure to use an environmentally friendly cleaning concentrate that is safe for siding landscapes windows and sidewalks.
Consider the size of the detergent tank.
The short answer is yes incorrect pressure washing techniques can damage concrete among many other materials.
Apply the soap from the bottom up and rinse it away from the top down.
Do not use a high pressure hose to clean fiber cement siding.
Can you damage concrete by pressure washing.
You can achieve that same sparkle on your home s siding by cleaning it once or twice a year.
Choose the tip with the widest angle that still gets the job done to prevent degrading the surface of the hardscape.
The larger your house is the more pressure washing you ll have to do and the more frequently you ll have to refill the detergent tank.
Don t use a high pressure power washer to get the job done as it turns out a low pressure hose and a soft medium bristle nonmetal brush is the best way to remove dirt and debris from james hardie siding and trim.
A pressure washer with about 3 gpm and 3000 psi is ideal for most concrete and brick cleaning jobs.
Can you damage concrete by pressure washing.
Now change the pressure washer nozzle to the 25 or 40 degree spray tip and wash away all the detergent while keeping the wand at least 1 foot away from your house siding.