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Deck Power Washing

Deep clean, without the damage.

The right pressure and technique wash away dirt, algae, and failed finish — while protecting your wood where a heavy hand would do serious harm.

Worker power washing a wood deck with a pressure washer, deep cleaning in progress
Why it matters

Not all pressure washing is created equal.

Deck washing is a specialized skill. Using too much pressure, the wrong nozzle, or the wrong angle can permanently damage softwood deck boards. We use the correct pressure, technique, and cleaning agents for your wood so we get the surface clean without harming the wood itself.

Wood-safe pressure

We set the pressure to your wood species and adjust technique board by board, avoiding etching and furring.

Right technique

Consistent distance, angle, and speed deliver a uniform clean across every board and gap.

Built for staining

A proper wash preps the surface so a new stain or sealer can bond evenly and last.

Dirty deck surface with algae and organic buildup before professional power washing
Why clean carefully

Clean before you stain, every time.

Dirt, algae, mildew, and old failed finishes aren’t just ugly — they stop a new finish from bonding. A proper wash is the foundation of every lasting result:

  • Removes the barrier

    Failed finishes and organic buildup block stain from reaching the wood.

  • Restores a clean base

    Dirt and mildew gone means the surface is ready to accept a protective finish.

  • Sets up even color

    A consistent clean surface absorbs stain evenly, avoiding blotchy results.

A wash alone won’t fix rot, deep structural damage, or every type of discoloration. We’re clear about what cleaning can and can’t do.

How it works

Our washing process

Safe, thorough, and built around protecting your wood and property.

01

Surface assessment

We check wood species, condition, existing coating, and looseness before setting pressure.

02

Pre-treat where needed

Mildew, algae, and tough buildup may be pre-treated with the appropriate cleaner.

03

Wash with care

Correct pressure and angle remove buildup without damaging wood fibers.

04

Rinse thoroughly

We rinse away residue so nothing is left to interfere with a future finish.

05

Dry before finish

We let the deck dry to the right moisture level before any stain or seal.

06

Ready for next step

Your clean deck is prepped for protection or ready to enjoy on its own.

FAQ

Deck washing questions

Can pressure washing damage my deck?
It can, if done wrong. Too much pressure etches or furrows softwood. We set pressure and technique to your wood species to clean safely.
Can I stain right after washing?
No. Wood must dry to the proper moisture level first. Staining damp wood causes poor adhesion and early failure.
Do you remove old stain while washing?
Loose and failing finish comes off with proper washing. Some stubborn coatings may need additional preparation.
Will washing get rid of all discoloration?
A wash removes dirt, mildew, and organic buildup. Some deep stains or prior coating shadows may remain and are not damage from washing.
When is a good time to wash?
Most projects go best in mild, dry weather when the deck can dry properly afterward. We plan around weather for the best result.

Ready for a safe, deep clean?

Tell us about your deck and upload photos for a more accurate assessment. We respond within one business day.

Serving homeowners, HOAs, and property managers throughout Chicagoland and Houston.