what is deck repair

What Is Deck Repair?: Explained!

Learn what is deck repair, including common issues, necessary tools and materials, and DIY tips to keep your deck in top shape. Decks are a great way to enjoy the outdoors and add value to your home. However, like any outdoor structure, decks can suffer from wear and tear over time. That’s where deck repair comes in.

Deck repair is the process of fixing any issues with your deck, from cosmetic issues like discoloration to more serious issues like rot and structural damage. In this guide, we’ll cover everything you need to know about deck repair, including common issues, necessary tools and materials, and DIY tips to keep your deck in top shape.

What is deck repair?

Deck repair is the process of fixing or replacing any damage or wear and tear on a deck to ensure it remains structurally sound, safe, and aesthetically pleasing. Decks are exposed to the elements and regular foot traffic, which can cause various issues over time.

It can include fixing or replacing deck boards, railings, stairs, or supports. It can also involve addressing issues like rot, cracks, or insect damage. Regular deck maintenance and repair are essential for keeping a deck in good condition and extending its lifespan.

Deck repair can range from minor repairs like replacing a single board to more extensive repairs like replacing entire sections of the deck. The type and extent of the repair will depend on the severity of the damage, the age and condition of the deck, and the materials used.

It’s important to inspect your deck regularly for signs of damage and address any issues promptly to prevent further damage or safety hazards. Hiring a professional to assess and repair your deck can ensure the work is done correctly and safely.

Common Issues with Decks

Common issues with decks

Decks can suffer from a variety of issues, from cosmetic issues to more serious structural problems. Some of the most common issues that homeowners face with their decks include:


Discoloration is a common issue with wooden decks. Over time, exposure to sunlight and weather can cause your deck to fade, turning the wood gray or brown. In addition, mildew and algae can also grow on the surface of the deck, causing discoloration and making the deck slippery and dangerous.

Cracks and Splits

Cracks and splits in wooden decks are another common issue. This can be caused by exposure to moisture, changes in temperature, and general wear and tear. While small cracks and splits may not seem like a big deal, they can eventually lead to more serious issues if left untreated.


Rot is a serious issue that can affect wooden decks. It’s caused by a type of fungus that breaks down the fibers in the wood, making it weak and spongy. If left untreated, rot can spread throughout the entire deck, causing structural damage and making the deck unsafe to use.

Tools and materials needed for deck repair

To repair your deck, you’ll need a few essential tools and materials. Here are some of the most important things you’ll need:

Power Washer

A power washer is an essential tool for deck repair. It can be used to remove dirt, grime, and other debris from the surface of your deck, making it easier to identify any issues that need to be addressed.


A hammer is a simple tool, but it’s an essential one for deck repair. It can be used to remove old nails, as well as to install new ones.

Circular Saw

A circular saw is a versatile tool that can be used for a variety of deck repair tasks, from cutting new boards to trimming old ones.

Wood Filler

Wood filler is a material that can be used to fill in cracks, splits, and other imperfections in wooden decks. It’s easy to use and can help to prevent further damage to your deck.


Stain is a protective coating that can be applied to your deck to help prevent damage from sunlight and weather. It can also help to restore the natural color of your deck and improve its overall appearance.

DIY tips for deck repair

If you’re comfortable with DIY projects, there are a few things you can do to keep your deck in top shape. Here are some DIY tips for deck repair:

Regular Cleaning

Regular cleaning is key to maintaining your deck. Use a power washer to remove dirt and grime from the surface of your deck, and apply a cleaning solution to kill any mildew or algae.

Inspect Your Deck Regularly

Inspect your deck regularly for signs of damage, such as cracks, splits, or rot. If you notice any issues, address them as soon as possible to prevent further damage.

Apply Stain or Sealant

Once the deck is repaired, it’s important to apply a stain or sealant to protect the wood from moisture and other elements. Stains and sealants not only protect the deck from the elements but also enhance the look of the wood.

What are the most common deck repairs

What are the most common deck repairs?

Decks are a great addition to any home, providing a place to relax, entertain, and enjoy the outdoors. However, like anything, decks require maintenance and occasional repairs. Here are some of the most common deck repairs:

  1. Replacing or repairing deck boards: Deck boards can become warped, split, or rot over time, requiring replacement or repair.
  2. Fixing loose or damaged railings: Railings are an important safety feature of a deck and should be regularly inspected for any signs of damage or looseness.
  3. Refinishing the deck surface: Decks can become discolored, faded, or damaged from weather exposure and foot traffic, requiring refinishing to restore their appearance and protect against further damage.
  4. Addressing structural issues: Decks can experience structural issues like sagging, settling, or shifting due to soil movement, water damage, or poor construction. These issues need to be addressed promptly to prevent further damage and ensure safety.

What are the signs of a damaged deck?

Regular maintenance and inspections can help catch deck problems before they become major issues. Here are some signs that your deck may be damaged and in need of repair:

  1. Visible rot, cracks, or splits in deck boards or support beams.
  2. Loose, wobbly, or damaged railings.
  3. Missing or damaged fasteners, such as screws, bolts, or nails.
  4. Signs of water damage or decay, such as mold or mildew growth, soft or spongy wood, or discoloration.
  5. Uneven or sagging deck surface.
  6. Signs of pest infestation, such as chewed wood or sawdust piles.
  7. Difficulty opening or closing doors leading to the deck.

If you notice any of these signs, it’s important to address the issue promptly to prevent further damage and ensure the safety of your deck.

How to repair a deck railing?

A deck railing is an essential component of any deck, providing safety and support to those who use it. Over time, railings can become damaged, leading to wobbly or unstable railings that put users at risk of injury. Fortunately, repairing a deck railing is a relatively simple process that can be done by most homeowners with basic tools and some DIY know-how.

To repair a deck railing, start by assessing the damage. Check for loose screws, wobbly posts, and any signs of rot or damage to the railing itself. If the damage is minor, such as a loose screw or wobbly post, it may be possible to simply tighten the screws or replace the post.

For more significant damage, such as rot or damage to the railing itself, the damaged section will need to be cut out and replaced. This can be done using a saw or other cutting tool, and the new section can be secured in place using screws or other fasteners.

How to replace a broken deck board?

Deck boards are the primary surface on which you stand when using your deck, and they take a lot of wear and tear over time. Eventually, this wear and tear can cause boards to become damaged or even break. When this happens, it’s important to replace the board as soon as possible to prevent further damage to the deck and ensure its safety for use.

To replace a broken deck board, start by removing the damaged board. This can be done using a pry bar or other similar tool to lift the board up and remove any screws or nails holding it in place. Once the board is removed, take the opportunity to inspect the joists beneath it for any signs of damage or rot.

If the joists are sound, cut a new board to size and secure it in place using screws or nails. Be sure to use the same type of wood and the same size board as the original to ensure a uniform appearance and proper support. Finally, sand and stain or seal the new board to match the rest of the deck and provide protection against future damage.

How to Repair a Deck with Mold and Mildew?

Mold and mildew can be a common problem on decks, especially in areas with high humidity and rainfall. It not only looks unsightly but can also weaken the structure of the deck. If you have mold and mildew on your deck, here’s how you can repair it:

  1. Clean the Deck: The first step in repairing a deck with mold and mildew is to clean it thoroughly. Use a solution of bleach and water or a commercial deck cleaner to remove any mold or mildew growth. Scrub the surface with a stiff brush and rinse it thoroughly with a garden hose.
  2. Apply a Fungicide: Once the deck is clean and dry, apply a fungicide to prevent the mold and mildew from returning. Be sure to follow the manufacturer’s instructions for the product you’re using.
  3. Repair Any Damage: If the mold and mildew have caused any damage to the deck, such as rot or decay, you’ll need to repair that as well. Cut out any damaged sections and replace them with new boards.
  4. Seal the Deck: Finally, seal the deck with a waterproofing sealer to prevent any moisture from penetrating the surface and causing mold and mildew growth.

How to Repair a Deck with Termite Damage?

Termites can cause significant damage to a deck, weakening the structure and making it unsafe to use. Here’s how you can repair a deck with termite damage:

  1. Inspect the Damage: The first step is to inspect the deck for termite damage. Look for signs of termites, such as small holes or sawdust-like debris. If you suspect termite damage, call in a professional pest control company to assess the extent of the damage.
  2. Replace Damaged Boards: If the damage is localized to certain boards, you can replace them with new ones. Cut out the damaged boards and replace them with new ones that are the same size and thickness as the original ones.
  3. Treat the Deck: Once you’ve replaced any damaged boards, you’ll need to treat the deck with a termite-resistant product to prevent future infestations. Follow the manufacturer’s instructions for the product you’re using.
  4. Reinforce the Deck: If the damage is more extensive, you may need to reinforce the deck with additional support beams or joists. This will ensure that the deck is structurally sound and safe to use.
  5. Seal the Deck: Finally, seal the deck with a waterproofing sealer to protect it from moisture and prevent any future termite damage.

How much does deck repair cost

How much does deck repair cost?

The cost of deck repair varies depending on the extent of the damage and the materials needed for the repair. The cost may also vary depending on whether you hire a professional or do it yourself.

If you have basic carpentry skills and the necessary tools, you may be able to do the repairs yourself, which can save you money on labor costs. However, if the repairs are extensive or if you lack the skills and tools, it may be best to hire a professional.

Some factors that can affect the cost of deck repair include the size of the deck, the type of wood used, the extent of the damage, and the type of repair needed. For example, replacing a few boards or fixing a railing may be less expensive than replacing an entire section of the deck or rebuilding the entire structure.

On average, the cost of deck repair can range from $250 to $2,500 or more, depending on the scope of the project. It is recommended to get quotes from multiple professionals and compare them to find the best price for your repair needs.

What are the safety precautions for deck repair?

Deck repair can be a dangerous task, and it’s important to take safety precautions to avoid injuries. Here are some safety tips to keep in mind when repairing your deck:

  • Wear protective gear such as safety glasses, gloves, and a dust mask to protect yourself from debris and dust.
  • Use sturdy and stable ladders when working on elevated areas of the deck.
  • Make sure the power tools and equipment are in good working condition and are used properly.
  • Keep the work area clean and free from clutter to avoid tripping hazards.
  • If you are working with chemicals, make sure to read and follow the instructions on the label carefully.
  • If you are working with electricity, make sure the power source is turned off before beginning any work.
  • If you are not comfortable with doing the repairs or if the repairs are extensive, it may be best to hire a professional who has the experience and expertise to handle the job safely.

By following these safety precautions, you can help ensure that your deck repair project is completed safely and without incident.


Q: Can I repair my deck myself, or should I hire a professional?

A: While small repairs can be done by a homeowner with some basic tools and knowledge, larger repairs or structural issues should always be handled by a professional.

Q: How often should I inspect my deck?

A: It’s recommended to inspect your deck at least once a year, and after any major weather events such as heavy rain or snow.

Q: Can I prevent deck damage?

A: Yes, regular cleaning, maintenance, and inspection can help prevent deck damage and prolong the lifespan of your deck.


In conclusion, figuring out what is deck repair is essential for homeowners who want to maintain the safety and aesthetic of their outdoor space. Whether you’re dealing with rot, cracks, or other damage, there are several DIY and professional repair options available. By taking preventative measures and regularly inspecting and maintaining your deck, you can prevent damage and prolong the lifespan of your deck.