How do I know when my deck needs replacing?

Here are some things that may indicate it's time to repair or replace your deck:
  1. Rotted wood. If you notice a soft spot on your deck, that's a good indicator the wood beneath has rotted. ...
  2. Loose floorboards. It's common for floorboards to crack due to weather. ...
  3. Wobbly railings. ...
  4. Deteriorated posts. ...
  5. Insect damage.
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How often should a deck be replaced?

A typical wood deck can last anywhere from 15 to 40 years. This will depend on the materials used and the quality of routine maintenance performed. However, if your deck is showing signs of age and is over 20 years old, you should begin considering a deck replacement.
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What is the average lifespan of a deck?

Traditional wood deck: Typically 10 to 15 years. Capped composite: Industry experts agree these boards can last 25 to 30+ years. Capped polymer (the best of the best): Because of its superior material composition, capped polymer boards can last much longer, potentially 50 years or more.
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How do you tell if a deck is rotted?

The symptoms include spongy and discolored wood that may flake off and fall apart when wet. You can use a screwdriver to test the wood for soft spots. In certain conditions, even pressure-treated wood can rot and decay. Moisture and pooling water on decks can lead to rot and decay.
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Is it cheaper to repair or replace a deck?

The average deck repair costs $1,465, and the average new deck costs $7,320, so most repairs are much cheaper than deck replacement.
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When should you replace your deck



How much does it cost to replace a 20x20 deck?

A 20 x 20 deck installation costs approximately $14,000 on average. Using more economical materials like bamboo or cedar deck boards can knock the price down. In contrast, high-end decking materials like composite decking will increase the price.
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How long will an untreated deck last?

A deck made of untreated wood can last anywhere from 10 to 30 years. Decks made of treated wood and composite materials can last as long as 50 years. Many composite decks come with a 20-year warranty – and often a lifetime guarantee.
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Does homeowners insurance cover rotting wood deck?

Are decks and patios covered by home insurance? Yes. Because a deck, porch, veranda and/or balcony is attached to your home, it's considered part of your dwelling.
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How do you restore a badly weathered deck?

Remove any damaged deck boards and cut off the rotted portion—all the way back to the centerline of the nearest joist. Use deck screws to reattach the good end, then cut a piece of like decking to fill the gap, and screw it to the joists. Check the handrails and balusters, then replace any damaged sections.
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Can rotting decking be saved?

It is much easier to prevent rot than it is to repair the damage once rot has set in. When it is caught early, it may be possible to repair the damage without having to replace your whole deck. Remove any rotted boards and replace them with new, pressure-treated ones.
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Is redoing a deck a good investment?

According to the 2021 Cost vs. Value Report from Remodeling magazine, a deck addition is a top 10 outdoor home improvement. A wood deck, which will cost on average about $16,766 will recoup about 68% of its value, and a composite deck, which will cost about $22,426, will recoup about 63% at home sale.
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How do I know if my deck joists are rotten?

You can also tell if the wood is rotten by checking for these likely problem areas:
  • Anywhere wood contacts the ground.
  • Long sheets of grayish mold or darker-looking wood.
  • Pest damage, those spots could be a combination of insect damage and dry rot since dry rot attracts termites and other wood-eating pests.
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How much does it cost to redo deck?

The cost to replace a deck depends on which materials you use, the size of the deck, and who does the work. Today, the average cost of replacing a deck on average will generally cost between $25-$43 per square for natural wood and $30-$60 for composite decking. For a 400 sq ft deck, it would cost $10,000 to $17,000.
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Can you put new decking over old decking?

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.
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Can a wooden deck last 50 years?

Wooden Decks Made from Pressure-Treated Lumber

So while it will resist a lot of the environmental changes that the weather brings, it might not be the ideal material for everyone. If you maintain and seal your pressure-treated deck, it can last you around 50 years.
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Can you lay new wood decking over old decking?

Installing decking over old decking will drastically reduce the lifespan of the material. The joints between the two materials will readily trap water in wet environments. This contact area should be limited only to the top of the joists, leaving most of the decking exposed on both sides.
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Should you power wash an old deck?

Beware Pressure Washing Damage

Using a pressure washer may seem like a quick and easy way to clear out all the accumulated dirt and grime; however, you need to be aware of the damage it may cause. If you have timber deck boards, a power washer's pressure may cause splintering and damage to the timber fibres.
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Is it better to paint or stain an old deck?

Deck Painting

Paint allows you more color options, as where stain is limited to shades of brown. Because paint fills gaps and cracks, it hides the flaws of a weathered or old deck much better than stain does. It's easier to clean a painted deck rather than a stained one.
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Can old weathered wood be restored?

Net-Trol is a powerful wood cleaner and brightener which restores greyed and weathered wood back to its natural colour. It effortlessly removes both surface and ground in dirt leaving the wood looking bright and vibrant.
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Should you repair a deck before selling a house?

Replacing or updating your deck before listing your home for sale makes a better impression on buyers—and adds to its value. Think of a deck as an extension of your home. Potential buyers want to picture themselves enjoying summer evenings with friends and family, sipping coffee and even working in the outdoor space.
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Will insurance replace my deck?

Your home insurance may cover replacing the deck if the damage is too much to repair. This decision comes after an inspection occurs on the property. A insurance agent can help determine if you have coverage as well as how much coverage is necessary. Every policy also has an upper limit.
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Does a deck affect a home appraisal?

In addition to the roof, the appraiser will also inspect the condition of the siding, garage, porch, deck, and any other exterior elements.
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Is it worth staining an old deck?

Staining a deck will lead to less work in the future. One of the main reasons the professionals don't recommend staining wood decks is because of the amount of time and energy involved. Stains don't generally last more than a year. This means yearly cleaning, staining and, if necessary, sanding of your deck every year.
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What happens if you don't seal your deck?

The effects that can occur due to a lack of treatment are aesthetic in nature. After 6 months, the wood will start to lose its color and will begin to fade. Ultimately it will fade to grey or silver.
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Is it ever too late to seal a deck?

Is It Too Late to Restore Your Deck? If it's been much longer than the recommended three years since you last stained your deck, you might wonder if it's even worth getting back on track. Fortunately, unless your deck is in a total state of disrepair, it's virtually never too late to provide it with a fresh coating.
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