Is it safe to power wash an old deck?

Is it safe to power wash an old deck?

Wood decks are especially vulnerable to power washing, because the pressure exerted by the power washer can lead to splintering. If there is any area on the deck where the wood is already beginning to split apart, power washing it will exacerbate the problem and cause the split area to expand.

Does Power Washing damage wood on a deck?

Power washing exacerbates the damage and makes the split area to expand further. Power washing does affect not only wooden decks but also other decking materials in equal magnitude, if not more. The impact of washing your decks under high pressure is profound in softer materials such as PVC.

Is it good to pressure wash a deck?

Mi-T-M pressure washers are the single best tool for cleaning your deck or porch, and with the proper use, will extend the life of your deck for many years. Benefits of using a pressure washer include: Safely removing dirt, mold, mildew and old stain. Removing many types of staining and discoloration using plain water.

How do you power wash an old deck?

Using the chemical tip on the wand of your pressure washer, liberally apply a chemical solution made specifically for decks and fences. Allow the solution to sit for a few minutes. Switch tips to a narrow spray for heavy cleaning, using stroking motions to loosen grime and grunge off your deck.

How do you pressure wash a deck without damaging it?

Always use a fan-style or brush-like power washing tip when cleaning a wooden deck surface for a wood staining project. Never use a jet-style tip to clean your deck. You can ruin your wood and leave path-like marks circling each board if you attempt to clean it using a jet-style tip.

Is it better to sand or power wash a deck?

Splintered, cracking, or just plain rough wood should be sanded first, then pressure washed to open the wood’s pores and allow penetration of the stain. Deeply grooved wood that has mold, moss and other growing things filling the cracks will need treatment with a deck and siding cleaner.

Why you should not pressure wash wood?

Stained Wood A pressure wash pulls stain right off wood surfaces. If stripping stain from your deck is the task you are trying to accomplish, then blast away! But if you intend to keep stain on wood, don’t use a pressure washer to clean it.

Is 1800 psi enough to clean deck?

For cleaning a wooden deck, you’ll be best served by using the lowest pressure setting that’s still effective. For soft woods like cedar or pine, this is usually about 500 to 600 psi. For harder woods, it can go up to 1200 to 1500 psi.

How do you restore a weathered deck?

  1. Before You Begin…
  2. STEP 1: Inspect the deck and repair any damage.
  3. STEP 2: Remove any flaking, loose finish.
  4. STEP 3: Protect the surrounding area.
  5. STEP 4: Clean an unfinished deck or strip a previously finished deck.
  6. STEP 5: Sand the deck to prepare it for staining.
  7. STEP 6: Stain and seal the deck.

Should deck be dry before power washing?

It is so important to allow the wood to dry fully before applying any type of sealant or treatment to the deck. If moisture gets trapped in the wood, it can weaken it over time and lead to mold growth.

Can I just power wash my deck before staining?

There is a common misconception that just pressure washing a deck prior to staining is all you need to do in order to prep your deck for stain. Pressure washing can help, but if you want your stain to last, using a good deck cleaner and brightener on the deck prior to pressure washing will provide you the best result.

How do you clean a wooden deck without a pressure washer?

You can use any all-purpose washing product, including a laundry powdered detergent.

  1. Mix well about 4 litres of water with a cup of general powdered or liquid detergent.
  2. Apply, leave to sit for about 10 minutes and rinse.

How do you use a power wash on a wood deck?

Power Wash the Deck Engage the trigger while holding the wand tip a couple of feet away from the deck surface, then lower the wand closer as needed. Try not to get closer than 6 inches or you could damage the wood.

Where can I power wash my deck in NYC?

For expert guidance on how to power wash a deck, we turned to John Amabile, owner of A&J Power Washing of Staten Island, New York, which also serves Brooklyn and northern New Jersey. Amiable has been in business for 30 years and is a member of the Home Improvement Contractors of Staten Island.

What happens if you sand after power washing a deck?

Sanding After Washing Hero Images/Getty Images. The key with power washing a wood deck is to not ruin the wood and etch or erode the soft wood fibers. However, wood is wood, and when it gets wet, the fibers become raised, creating a rough surface.

What psi should a pressure washer clean a deck?

HGTV recommends working with the lowest pressure that cleans your deck materials gently: about 500 to 600 psi for soft woods like cedar or pine, and up to 1200 to 1500 psi for pressure-treated wood. Amabile likes a 2000 psi machine, which Home Depot rents for $38 per day.