Get matched with top pressure washers in Smithsburg, MD

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.

Pressure washing your driveway can prevent cracks in it since it removes grease and oil, which, if left on the driveway for too long, can break down compounds in concrete and asphalt, leading to cracks. It can also help keep driveway weeds, moss, mold, and mildew at bay while boosting your home's curb appeal. 

Annually, or more if located in humid or heavily polluted areas.

We don’t recommend pressuring washing clapboard siding. At high levels of pressure, a pressure washer can damage wood siding permanently. Pressure washing can also make it easier to drive water into the cracks of clapboard (which are recommended for easier drainage), causing moisture damage.

If you think your clapboard siding is so dirty it could benefit from pressure washing, we suggest contacting a pressure wash cleaning service and getting a quote on a wood siding project. Some siding manufacturers recommend never pressure washing because it can force water behind the siding.