It can cause water to build up in your walls or attic.
How much psi to power wash vinyl siding.
More pressure is certainly useful in some situations but it s also more dangerous.
All the pressure washers with 2 3 gpm have at least 2 600 psi.
A commercial pressure washer which is what most people would rent over the weekend to tackle this chore can blast water up to 3300 psi.
Vinyl siding is one of the easiest materials to clean with mild detergent moderate pressure a white fan tip.
After checking for all possible exterior home damage knowing what to look out for and starting on a minimal pressure level from a safe distance you will be ready to power wash your vinyl siding.
A 1 500 psi unit might indicate a high pressure to a homeowner for cleaning decks and siding.
To rent or buy.
Pressure washing machines can be bought online or in retail stores or rented from local equipment rental companies.
You will want a power cleaner with at least 2 3 gpm.
See professionally prepared estimates for siding power washing work.
Anything more than 2000 psi isn t necessary if you are pressure washing at a higher psi watch your window seals the siding sliding down out of position.
It would need somewhere around 4 000 and 7 000 psi.
Make sure to use an environmentally friendly cleaning concentrate that is safe for siding landscapes windows and sidewalks.
A machine with a psi of between 1 300 and 1 600 is desirable in cleaning most siding materials including vinyl siding.
See typical tasks and time to power wash siding along with per unit costs and material requirements.
For rugged unpainted materials like brick stone vinyl and steel it s recommended to use a machine rated for 2 500 to 3 000 psi.
All pressure washers can rip through flesh at close range and more pressure increases the potential hazard.
In addition to having to replace your siding there are other reasons why pressure washing vinyl siding can be problematic if not done correctly.
The psi is irrelevant for this job because the nozzle and how far you hold the wand from the surface will determine it.
The cost to power wash siding starts at 0 35 0 43 per square foot but can vary significantly with site conditions and options.
To pressure wash vinyl siding start with a low pressure setting like a psi between 1 300 and 1 600 and increase it as necessary to remove stubborn dirt and grime.
For around the yard chores like stripping a deck degreasing equipment or washing siding 1 300 to 1 600 psi is plenty.
Try to hold the nozzle straight or at a slight downward angle to avoid getting water behind the siding.