How To Refinish Outdoor Wood Stairs

By | September 20, 2022

How to Refinish Outdoor Wood Stairs

Outdoor wood stairs, while adding beauty and functionality to your home, are susceptible to the elements. Over time, they can become weathered, faded, and even damaged. Refinishing your outdoor wood stairs is a great way to restore their appearance and protect them from further deterioration. This process involves removing the old finish, preparing the wood, and applying a new protective coating.

1. Preparing the Stairs

Before you begin refinishing, it is important to prepare the stairs adequately. This involves cleaning, sanding, and repairing any damaged areas.

Start by thoroughly cleaning the stairs with a pressure washer or a stiff brush and soap and water. This will remove dirt, grime, and any loose debris. If you have mildew or mold growth, you can use a bleach solution to remove it. Allow the stairs to dry completely before proceeding.

Next, you will need to sand the stairs. This process is done to remove the old finish and smooth out any rough areas. You can use an electric sander for large areas or a handheld sander for detail work. Start with a coarse-grit sandpaper (80-100 grit) to remove the old finish and then gradually move to a finer grit (120-150 grit) to smooth the surface.

Inspect the stairs for any damaged areas, such as cracks, splinters, or rot. Use wood filler to repair these areas, allowing it to dry completely before sanding. If you have extensive damage, you may need to replace the affected sections.

2. Choosing and Applying a New Finish

Once the stairs are prepared, you can choose a new finish. There are a variety of finishes available, each with its own benefits and drawbacks. Some popular options include:

  • Paint: Provides a durable and aesthetically pleasing finish in a wide range of colors.
  • Stain: Enhances the grain of the wood while protecting it from the elements.
  • Oil: Offers a natural finish that allows the wood to breathe while providing some protection.
  • Polyurethane: Offers a durable and water-resistant finish.

The best choice for your stairs will depend on your personal preferences and the climate you live in. If you live in a humid climate, a polyurethane finish may be the best option to prevent moisture damage. If you prefer a natural look, an oil or stain finish might be more suitable.

When applying the new finish, follow the manufacturer's instructions carefully. Apply the finish in thin, even coats using a brush, roller, or sprayer. Allow each coat to dry completely before applying the next.

3. Maintaining your Refinished Stairs

After you have refinished your stairs, you will need to maintain them to keep them looking their best. Here are some tips:

  • Regular Cleaning: Sweep or vacuum the stairs regularly to remove dirt and debris. You can also use a mild soap and water solution to clean the stairs occasionally.
  • Protect from the Elements: Use a tarp or other protective covering to shield the stairs from heavy rain or snow.
  • Recoat as Needed: Over time, the finish on your stairs will wear down and require recoating. Recoat the stairs every few years to maintain their protection and appearance.

Refinishing outdoor wood stairs can be a challenging but rewarding project. By following these steps, you can restore your stairs to their former glory and protect them from the elements for years to come.


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