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Top 5 Surfaces You Should Never Pressure Wash (and What to Do Instead)

Pressure washing is one of the most satisfying ways to clean your home’s exterior, but did you know not every surface is safe for high-pressure cleaning?  Using the wrong technique on the wrong surface can lead to expensive repairs, damage, or even personal injury. If you’re a homeowner in Greenville, SC considering a DIY wash or looking for “pressure washing near me,” this guide will save you time, money, and headaches.  Let’s break down the top 5 surfaces you should never pressure wash, and what to do instead.

1. Outdoor Light Fixtures and Electrical Boxes

It might be tempting to blast cobwebs and grime off your outdoor lights or utility boxes, but pressure washing these areas can cause electrical damage, water intrusion, or corrosion and even personal injury.

What to Do Instead:

Use a gentle hand-cleaning method with a microfiber cloth and mild detergent. A professional team like JetSet Powerwashing Pros will safely clean around electrical elements without putting your home or your safety at risk.

2. Wood Decks & Fencing (Unsealed or Aged)

Older or untreated wood can splinter, warp, or erode under high pressure, leaving it worse than before.

What to Do Instead:

Use low-pressure with a fan tip nozzle and the correct wood-safe cleaner. Better yet, let professionals handle it.  We adjust the pressure based on your wood’s condition to ensure a safe, deep clean.

3. Vinyl Siding with Oxidation

Vinyl siding may seem durable, but pressure washing oxidized siding can cause streaking, damage, or fading, making your home look blotchy.

What to Do Instead:

This is where soft washing shines. JetSet uses specialized oxidation removers and soft pressure to restore your siding without damaging it.

Learn more in an earlier blog post about how to spot oxidation on vinyl siding.

4. Old Brick or Mortar

High-pressure washing can break apart mortar joints, allowing moisture in and compromising your brick structure.

What to Do Instead:

Use gentle rinsing and professional masonry-safe detergents. The pros at JetSet know exactly how to clean brick homes and patios safely, preserving their integrity and beauty.

5. Electrical Panels or Exterior HVAC Units

Water and electricity don’t mix. Pressure washing these areas risks short circuits, system failure, or electrocution.

What to Do Instead:

Wipe down these components by hand or allow a professional crew like JetSet Powerwashing to clean carefully around them without direct water contact.

Why Hire JetSet Powerwashing Pros?

We’re not just about blasting dirt.  We know the science behind safe, effective home washing in Greenville, SC. When you hire JetSet, you’re choosing:

  • Experts trained in soft washing, surface-specific techniques, and oxidation removal
  • Professional-grade equipment that adjusts pressure based on surface type
  • 5-star service trusted throughout Upstate SC
  • Honest, damage-free cleanings backed by experience and care

We treat your home like it’s our own and it shows in the results.

Don’t Risk DIY Damage.  Call JetSet Powerwashing Pros Today

Before you rent a pressure washer or tackle a tricky surface, give us a call. We’ll assess your home, recommend the safest cleaning method, and leave your property looking brand new, without the risk.

Contact us today for a free quote and professional service you can trust.