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How to Pressure Wash and Seal a Deck

Pressure washing an old deck can make it look like new again.

More in Outdoors

pressure washing old deck makes it look like new
  • Time

    Under Half Day

  • Price Range

    $50 - $100

  • Difficulty

    Easy

Highlights:

Step 1: Remove Any Items

Remove all the items from the deck.

Step 2: Apply the Deck Brightener

Using the low pressure tip on the pressure washer, apply deck brightener over the entire deck. Let it sit a few minutes.

Step 3: Wash the Deck

Change pressure washer tips to a high pressure fan-shaped tip. Clean from the tops of the railings down.

Step 4: Wash the Deck

Change pressure washer tips to a high pressure fan shaped tip. Clean from the tops of the railings down.

Step 5: Apply the Sealer

The water seal is a one-part mix. Apply it by using a pump-up pressure sprayer (very similar to an insecticide sprayer).

Note: The sprayer used must be made for water seal, as the seal will ruin a typical insecticide sprayer. Water seal will typically dry within an hour or two.

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