Repairing Guides

how to repair wood deck boards

by Bernardo Ryan Published 3 years ago Updated 2 years ago
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  1. Removing Nails and Screws. When repairing a deck, you’ll need to remove nails or screws from the damaged boards. Use a pry bar, screwdriver or drill on the decking.
  2. Inspect Joists and Remove Rotted Portions. Inspect the joists underneath for signs of rotted wood. Use a hammer and chisel to remove any rotted portions of joists.
  3. Apply Sealer. Apply a thick coat of clear sealer to the damaged joist. Let it dry, and then apply a second coat of sealer.
  4. Reinforce the Joist. When you consider how to repair a deck, it is important to treat all sides of the reinforcing joist.
  5. Secure Reinforcing Joist. Attach the reinforcing joist to the ledger and header joist by toenailing with nails or screws.
  6. Prepare Replacement Deck Board. Cut replacement deck boards from matching lumber using a circular saw. ...
  7. Apply Wood Stain. In repairing a deck, you must use wood stain that is the same color as the rest of the deck. ...
  8. Attach New Decking. Position the new decking and attach it to joists with galvanized deck screws or nails. Make sure the space between boards matches that of existing decking.

How do you remove old deck boards?

  1. Burning It’s amazing how quickly we can be to burn unwanted items, especially if it’s wood. ...
  2. Composting I know composting as opposed to filling up your local landfill with scrap wood might seem like the responsible thing to do. Don’t. ...
  3. Cutting up

How to remove old deck boards. the easy way.?

Required Tools for this Project

  • Cat's paw
  • Circular saw
  • Drill/driver - cordless
  • Extension cord
  • Hammer
  • Hearing protection
  • Jigsaw
  • Locking pliers
  • Miter saw
  • Nail set

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How do you fix deck boards?

  • Use an orbital sander to remove any old gloss and smooth out any rough areas on decking boards.
  • You may need to use a sanding sponge on the railings or balustrades.
  • Use 60- or 80- grit sandpaper on the main deck boards, and use 80- or 100-grit on the handrails.

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How to replace a damaged section of deck board?

Instructions

  • Plan the Cut. The goal is to cut out the damaged section cleanly and make the repair look as natural as possible. ...
  • Remove the Damaged Board. Put on eye protection before cutting. ...
  • Seal Any Joist Rot. ...
  • Add the Joist Reinforcement. ...
  • Install the Support Cleats. ...
  • Cut a New Decking Board. ...
  • Finish the Board. ...

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How do I repair damaged wood deck?

0:523:43How to Repair a Hole From Wood Rot, Fixing a Damaged 2X Framing ...YouTubeStart of suggested clipEnd of suggested clipI started with fiberglass resin mixing in the appropriate. Amount of hardener. I then added theMoreI started with fiberglass resin mixing in the appropriate. Amount of hardener. I then added the resin into the hole. Now the concept. Here is the thin liquid resin would work its way into any cracks.

How do you repair a rotten board on a deck?

5 Steps to Repair Wood RotGather tools and materials.Remove rotten boards Use a 5-in-1 rasp, chisel, or claw hammer to remove the rotted areas of wood. ... Apply wood hardener, filler, or epoxy If minor damaged wood cannot be easily replaced, wood hardener, filler or epoxy may help strengthen the damaged area.More items...•

Can you replace just a few boards on a deck?

1:0718:20Replace Rotten Deck Boards Yourself! - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo what you can do is for example if you have a 16 foot board to replace you can get two 8 footMoreSo what you can do is for example if you have a 16 foot board to replace you can get two 8 foot boards. And then center them on one of the joists.

What is the best wood filler for decks?

Best Exterior Wood Filler for DecksBest wood filler for outdoor use – Bondo All-Purpose Putty.Best Stainable Wood Filler– Elmer's E892.Best exterior epoxy wood filler – Abatron Wood Epoxy 2 kit.Best Wood Putty for Decks– Minwax 13617000.Best wood filler for pressure treated deck– Pc Products- 163337.More items...

How do you fix rotted wood without replacing it?

0:033:30How to Fix Rotted Wood with Epoxy | This Old House - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd uh the bottom of the mullion post was rotted so i cut out the rot i mixed up a two part epoxy.MoreAnd uh the bottom of the mullion post was rotted so i cut out the rot i mixed up a two part epoxy.

Can rotting wood be saved?

When you come across rotted wood in your old house projects, instead of replacing the damaged wood, you also can repair it with specialty epoxy penetrants (also called consolidants) and fillers to make repairs. Not only is this faster, but the fixed wood is stronger than the original.

Is it cheaper to repair or replace a deck?

Fortunately, repairing a deck is much cheaper, but there are still ways to save on deck repair cost. Consider whether it's a simple task you can do on your own such as cleaning and staining or adding nails.

How can I fix my deck cheap?

0:000:43Cheapest way to fix old deck, no money!!! - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf you don't if you don't have a lot of cash you can't buy some new boards. You have an old boardMoreIf you don't if you don't have a lot of cash you can't buy some new boards. You have an old board that you don't like let's say this one remove all the screws. Check the back side.

Can you install new deck boards over old?

In short, yes you can. You are more than capable of placing composite deck boards over existing wooden ones in order to save time and money from building an entirely new frame.

Which is better wood putty or wood filler?

Let's clear up the confusion right now: Wood fillers can be sanded and stained and are best used on unfinished woodwork. Wood putty is best for repairing cracks and small holes on finished woodwork.

Should you use wood filler on a deck?

Can I use wood filler to repair my deck? If your wood deck has small holes, is pitted, or has small areas of rot, you can use wood filler for deck repair. However, larger, or major damage will need more than wood filler.

Is there a waterproof wood filler?

Are Most Wood Fillers Waterproof? Yes, wood filler is water-resistant but no, it isn't waterproof. It is water-resistant only after it dries. While wood putty is for outdoors, wood filler is more susceptible to the weather.

Why are my deck boards rotting?

Moisture and pooling water on decks can lead to rot and decay. Because dry rot is a fungus, it can spread like a cancer throughout a deck. Dry rot is caused by microorganisms that eat the cellulose from the wood leaving it brittle.

How do you replace a rotting ledger board?

Cut a ledger board to the length of the removed rotted section, placing the new section into the removed section, and attach the new ledger patch to the scabs using 3 inch screws.

How do you repair rotted wood on a porch?

1:325:24Fix and Rebuild a Dry Rot Porch - YouTubeYouTubeStart of suggested clipEnd of suggested clipIn the cavity you created using gorilla glue and screw moves in that party you make a tight. InsideMoreIn the cavity you created using gorilla glue and screw moves in that party you make a tight. Inside that cavity you created and let that dry overnight.

How do you replace a partial deck board?

0:0611:02How To Replace Part Of A Deck Board - YouTubeYouTubeStart of suggested clipEnd of suggested clipOnce you have figured out which part of which deck board you want to replace. The next step is toMoreOnce you have figured out which part of which deck board you want to replace. The next step is to draw lines on the outermost joists of the part that you will be replacing.

How much should it cost to repair a deck?

The average cost of deck repair is $500, and total costs typically range from $250 to $1,200, depending on the issue. Smaller repairs and fixes cos...

Can rotted wood be repaired?

Yes. Removing any wood rot from the original board or wood post. After that, fill the area with a wood patch or polyester filler. The substance fil...

How long should a deck last?

Typically 10 to 15 years. The actual lifespan of your deck depends on the type of material you've used and how well you maintain it. Keep in mind t...

What is the best composite decking brand?

There are quite a few brands that offer composite or non-wood decking. These brands are the best of the best. Fiberon. Best decking all-around. Moi...

Is it worse to shovel a deck in the winter?

It’s usually worse in the areas that get a lot of foot traffic, and no matter how I treat the deck in the winter (whether we shovel the whole thing, or just let the snow build up)… every summer it looks the same.

Can I use wood filler on horizontal deck boards?

Side note: Apparently Wood Filler isn’t meant to be used for “horizontal deck boards”, but I didn’t know that until after I had filled everything in… More internet research found that you can use this product to fill in your wooden deck cracks, and even this one to stop rotting!

Why do my nails come loose on my deck?

As the seasons pass and your deck experiences more wear and tear, the most common issue you will face is that nails will become dislodged. The wood warps as the seasons change. And as you walk on the boards, you depress them. All of this activity causes the nails to come loose.

What happens when you walk on a deck?

As the seasons pass and your deck experiences more wear and tear, the most common issue you will face is that nails will become dislodged. The wood warps as the seasons change. And as you walk on the boards, you depress them. All of this activity causes the nails to come loose. This can be a health hazard as well as a structural hazard, so will need to address this issue when you complete deck repairs.

Is it easier to repair a deck post or replace it?

Deck repairs do not get much more complicated than replacing a post. The pieces of lumber are, by far, the work horses of the deck as a whole. Replacing a deck post is complicated because you need to match the size of the post in both length and dimensions. You also have to brace the deck while you complete your work. You should not complete this job without making sure all of your measurements are precise, or you could wind up with an uneven deck.

Can you replace deck boards?

Replacing deck boards as part of routine deck repairs is not uncommon. Over the years they become warped or damaged enough that need to replace them. If the bottom of the boards are in good shape, you could turn the boards over and save on materials cost. If you need to replace the boards, take measurements of their length, width and thickness.

Can weather damage deck railings?

Weather can wreak havoc on all of the wood and won't spare the railings of the deck. Railings are larger pieces than the other wood. Once again, measure accurately so you can purchase a good replacement.

Can you stain and seal a deck?

Because of rain, snow, foot travel and countless other things, the stain and sealer on the wood deck will start to come off. This may be one of the easiest deck repairs you will encounter. You will need to sand the boards down and apply the stain to the wood again in several coats. Then you can finish up with the sealant to protect it from the elements for a few more seasons.

1. Prep & plan

Before you get started, make sure the weather is about 40 degrees Fahrenheit or higher. When I did this project, it was about 60 degrees Fahrenheit and sunny, which was perfect for this project.

2. Mix & start filling

Once you have a plan, start mixing the Bondo a little bit and add the hardening agent with a spreader. If you don’t have a spreader, a 1.5-2” putty knife can also work well depending on the size of your knot holes.

3. Repeat & refine

At this point, I wasn’t completely satisfied with the overall finish. While it doesn’t need to be perfect, I did a second coat and repeated the process to fill in spots that I missed the first time.

The wrap up

Overall, I’m happy with this project and think the wood filler gives the deck a more polished and finished look. Plus, it’s less likely you will get a large sliver in your bare foot, Ouch!

How long do decks last?

While well-built decks will last for decades it’s a good idea to perform an annual inspection on the whole structure to ensure everything is safe and in top shape for your family and guests. Problems to look for are rotted or wobbly posts, weak post connections, properly-fastened ledger boards, and missing flasher ledging. Most wood deck repair tasks are inexpensive and you should be able to complete them yourself. Here is a full deck inspection checkli st as well as detailed wood deck repair steps.

What is composite decking?

Just a few years ago, most manufactured decking was “composite,” which typically meant it was a combination of wood fibers and polymers. Composite was a big improvement over wood, but today most manufacturers offer something even better: “capped” or “shelled” decking.

What is capped decking?

The core of capped decking is similar to composite or made from cellular PVC, but that core is covered with a layer of denser, tougher polymer. That means better resistance to scratches, stains and fading. Brands that carry capped decking include Fiberon , Azek.com, TimberTech.com and Trex.com. Paying more usually gets you a thicker or tougher cap, plus deeper texturing and blended coloring for a more natural look. The decking shown, Trex Transcend, is made from 95 percent recycled material and includes a 25-year fade and stain warranty.

Why do deck posts feel wobbly?

Deck posts and railings screwed to a single rim joist feel wobbly because the rim joist flexes whenever you lean against the railing. For an easy wood deck repair, add blocking. Adding blocking will stiffens the rim joist and makes the railing feel much more solid. Here’s how:

How wide is a fascia board?

But keep in mind that most fascia/skirt boards are 11-1/4 in. wide, which means they aren’t wide enough to fully cover both the deck boards and a 2×12 joist. Another way to hide the ends of your deck boards is to install a border/perimeter board around the outside edges of the deck).

Can you put a canopy over a patio?

Sometimes that summer sun can get a little too warm, which is why building a canopy, awning or another type of shade is a great patio improvement project. These additions are affordable and easy to set up. Awnings and latticework, in particular, allow you to add more shade or remove shade based on the weather. Remember, shade over cooking and eating areas is most useful.

Do penetrating stains need to be stripped off?

Penetrating stains will require more frequent coats in the future to stay looking new, but won’t need to be stripped off again like solid stains do. Just be sure to check the forecast and wait for a period of a few sunny days before you begin. 8 / 27. Family Handyman.

Removing Nails and Screws

When repairing a deck, you’ll need to remove nails or screws from the damaged boards. Use a pry bar, screwdriver or drill on the decking. If the fasteners won't come out, chop the board into pieces with a chisel or saw, pry up the slivers and replace the board.

Inspect Joists and Remove Rotted Portions

Inspect the joists underneath for signs of rotted wood. Use a hammer and chisel to remove any rotted portions of joists. Repair and reinforce joists that have soft, discolored areas with rotted wood putty.

Apply Sealer

Apply a thick coat of clear sealer to the damaged joist. Let it dry, and then apply a second coat of sealer. Cut a reinforcing joist from pressure-treated lumber.

Reinforce the Joist

When you consider how to repair a deck, it is important to treat all sides of the reinforcing joist. Apply a clear sealer and let it dry. Position the reinforcing joist tightly against the damaged joist, and attach it with 16d (3 1/2-inch) galvanized nails driven every 2 feet or fasten it with 3 1/2-inch galvanized deck screws.

Secure Reinforcing Joist

Attach the reinforcing joist to the ledger and header joist by toenailing with nails or screws.

Prepare Replacement Deck Board

Cut replacement deck boards from matching lumber using a circular saw. If the existing decking is gray, "weather" the new decking with a solution made from 1 cup of baking soda and 1 gallon of warm water. Apply in the solution with a scrub brush. Rinse and let dry.

Apply Wood Stain

In repairing a deck, you must use wood stain that is the same color as the rest of the deck. Apply stain to both sides of the board and the edges.

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