The ideal PSI (pounds per square inch) for a pressure washer depends on the surface you are cleaning. For general home use, a pressure washer with a range of 2,000 to 3,000 PSI is recommended and powerful enough for most residential projects.
The specific PSI you should use varies by task:
High-Pressure Tasks (2,500-3,000 PSI): Tough materials like concrete, stone, masonry, and brick can handle higher pressures. This is suitable for removing stubborn stains from driveways or cleaning graffiti.
Low-Pressure Tasks (around 600-1,300 PSI): Softer surfaces require a gentler touch to avoid damage. Use a low PSI setting for cleaning wood decks (especially softwoods like pine and cedar), vinyl siding, outdoor furniture, and stucco.
For best results, choose the right nozzle for your surface, such as a 15-degree nozzle for siding or a surface cleaner attachment for driveways. Using an extendable wand can also make the work easier and more ergonomic.
While DIY power washing is possible, professional services ensure thorough cleaning, proper pressure levels, and avoidance of surface damage.
You can clean light stains off of concrete using a pressure washer with 2,000 psi, or you can clean tougher stains if you use a smaller nozzle and point the wand closer to the stain. You may also need to go over the surface more than once for a deeper clean. If you want to clean concrete faster, consider using a pressure washer with a psi of 3,000 or higher.
The time it takes to pressure wash your driveway is mainly based on size (but your driveway’s material and condition also play a role). Small driveways can be pressure washed within an hour, medium within two hours, and large within four hours. However, this does not consider any prep time or time that sealing your driveway would take.
Filling small cracks in your driveway with patching material is usually the most affordable fix, costing about $2 to $3 per square foot. For larger damage, however, these repairs won’t last, so it’ll save you more to resurface or replace the driveway, depending on the extent of the issues.
The Largo, FL homeowners’ guide to concrete driveway services
From average costs to expert advice, get all the answers you need to get your job done.
Whether you're pouring a new driveway or adding a patio to your outdoor space, use this guide to determine the cost to pour a new concrete slab in Tampa, FL.
Before you hire a pro to pour a new concrete driveway, you should have a good idea of what you need. Discuss these concrete driveway installation questions with a pro.
Thinking about a new concrete driveway? Learn about installation costs, design options, and how to hire the right local pro for your home's exterior upgrade.