The Ultimate Checklist: What to Pressure Wash (and What to Avoid)!
The Ultimate Checklist: What to Pressure Wash (and What to Avoid)!
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Pressure washing is a powerful tool for homeowners and business owners alike. But while it’s tempting to spray everything in sight, not all surfaces are created equal—and using high pressure on the wrong ones can cause costly damage. This ultimate checklist will help you determine what you should (and should not) pressure wash around your property.
What You Should Pressure Wash
1. Concrete Driveways and Walkways These surfaces handle high pressure well and often collect oil stains, tire marks, and mildew.
2. Wooden Decks (With Proper Settings) Use low pressure and fan tips to avoid splintering. Pre-treating with a wood-safe detergent can help.
3. Vinyl and Aluminum Siding Great candidates for soft washing. Pressure helps remove algae, dirt, and pollution buildup.
4. Brick and Stone Exteriors Use a wide spray and lower PSI to avoid damaging pressure washing prices mortar joints. Perfect for revitalizing older homes.
5. Fences (Wood, Vinyl, and Metal) Remove years of grime, algae, and discoloration. Gentle pressure is key.
6. Outdoor Furniture (Plastic or Metal) Can be quickly freshened up with a low-pressure setting.
7. Garbage Areas and Dumpster Pads Remove grease, mildew, and bacteria—perfect for businesses and restaurants.
8. Patios and Pool Decks Regular cleaning prevents slip hazards and keeps them looking great year-round.
What You Should NOT Pressure Wash
1. Asphalt Roofing High pressure removes protective granules and voids warranties. Use soft wash methods instead.
2. Old or Flaking Paint Pressure washing can peel paint and damage the underlying structure. Strip paint using proper tools before repainting.
3. Windows and Glass Doors Too much pressure can shatter glass or break window seals, leading to costly repairs.
4. Electrical Panels and Outdoor Wiring Water and electricity don’t mix—steer clear of all electrical components.
5. Air Conditioning Units These are delicate systems that should only be cleaned using specialized HVAC-safe tools.
6. Vehicles Unless you have an appropriate nozzle and setting, pressure washing can damage paint or seals.
7. Wood Shingles or Shake Roofs These can splinter easily under pressure and retain too much moisture afterward.
Bonus Tips for Safe Pressure Washing
• Always test a small area first.
• Use the right nozzle (15°, 25°, or 40° depending on the job).
• Wear protective eyewear and closed shoes.
• Don’t use ladders while operating a pressure washer—use extension wands.
Final Thoughts With great power comes great responsibility. Pressure washing can make your property look brand new—but only if you use it correctly. Follow this checklist to get the most out of your pressure washer without risking damage.
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