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Blog
Home > Blog > Is Composite Decking Bad In the Winter?
17Oct
  • By EVODEK
  • Fri, Oct 17, 2025
  • 6939 Views

Is Composite Decking Bad In the Winter?

A good deck can create an outstanding outdoor living space for you. But when winter comes, many people are worried about keeping their outdoor living space safe. This is because cold weather and snow, and ice are likely to cause damage to your deck.

Fortunately, those who own composite decking boards don’t have to worry about these issues. In fact, composite decking is perfectly suited for the task. It can withstand the cold and stand up to the harsh winter weather.

Composite decking is a great option during the winter months. That’s because it won’t bend, crack, or split when the temperature drops or rises or when it’s windy. It won’t be damaged by water and doesn’t require much maintenance, like cleaning or spraying, which is easy to do in the winter.

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Table of Contents

  • Potential Damage to Decks in Winter
  • Why Choose Composite Decking for Winter?
  • Composite Decking in the Snow
  • How to Protect Composite Decking from Winter Damage
  • So, Is It Worth It to Protect Composite Decking?
  • Questions About How to Care for Your Composite Decking

Potential Damage to Decks in Winter

Both regular softwood decks and hardwood decks can easily soak up water, making the surface slippery. That’s why a slippery deck is usually dangerous during the cold winter months.

As if that wasn’t bad enough, that water also freezes in the winter, turning the deck into an ice rink. As a result, an icy deck is very likely to make people slip and fall and get injured.

To make matters worse, any water that gets into cracks in the wood will expand when it freezes. This can cause the boards to crack and break, especially if they are not sealed properly.

If you make the smart choice and opt for composite decking, you can be sure that any feeling of instability will disappear.

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Why Choose Composite Decking for Winter?

Composite decking boards are a high-quality product that can withstand the harsh outdoor environment. It is made from a mixture of natural wood and plastic materials and therefore has the excellent properties of both materials.

Composite decking offers numerous advantages. For instance, it provides excellent waterproofing and moisture resistance, ensuring reliable traction even in winter conditions. So you don’t have to composite decking boards will become slippery when wet.

Unlike regular composite decking, capped composite decking is even more waterproof. This is because it is surrounded by a polymer shell to protect the core of the deck.

Whether uncapped or capped composite decking, they don’t need to be treated or sealed in any way to maintain their weatherproof properties. They both provide a reliable surface year after year.

Composite Decking in the Snow

When it snows, composite decking also provides a great surface because it is durable in the cold.

Composite decking material is strong and durable. You can use rock salt or calcium chloride to protect it from snow and ice without having to worry about melting the snow and ice and damaging the decking surface underneath.

Additionally, if you need to remove a lot of snow, you can use a regular shovel, but it’s best to use a plastic shovel to avoid damaging the boards.

Composite decking is popular among homeowners because it can be used for a long time. This material stays strong through rain, snow, and hail.

Composite-Decking-1

How to Protect Composite Decking from Winter Damage

Without the right protection, harsh winters can still take their toll on composite decking. Next, we will show you how to protect your composite decking from harsh weather using simple deck maintenance techniques.

Prepare for Winter Before it Arrives

In order to avoid problems in the future, it is important to do a lot of work before winter comes.

To avoid future stains or mold on the deck surface. You should start in the fall and remove dirt, leaves, debris, and mold buildup from your deck early.

You should also use a composite deck cleaner to scrub and sweep away any dirt. If you want to prevent icicles from falling, cut down nearby trees. This is because changes in temperature can lead to severe icing. Finally, make sure that you store or cover your deck furniture properly away from the deck after cleaning it.

Careful Snow Removal

When clearing the snow on top of your deck, take extra care so that you don’t scratch the surface of your composite decking. This should be kept in mind if you want to keep your composite decking in good condition when digging it out from under the snow.

To protect the decking, carefully shovel snow that is less than three inches deep. If not, use a plastic shovel and broom to carefully clear the snow. It is important to note that you should avoid using metal shovels that have sharp edges.

Look for a safe de-icer that will melt the ice on composite decking without harming nearby plants. You can also use items containing calcium chloride to melt snow and leave a white film that is easy to clean.

Composite-Decking-2

Check for Damage Regularly

Once the storm has passed, even after you’ve cleared the snow off your deck, there’s still a lot of work to be done. You need to check that the deck is structurally safe and that there are no cracked, twisted, or peeling boards that need to be repaired.

You also need to check the structure and fasteners underneath the deck to avoid any safety issues with the deck. When you find problems, you should fix them promptly. This will prevent these problems from worsening over time, which can lead to more serious problems.

Focus on Prevention Throughout the Year

Instead of fixing damage that has already occurred, you should work throughout the year to prevent it from happening. During any season, you should always clean and wash composite decking frequently. Prune plants to prevent icy things from falling. At the end of each season, clean and store your furniture the right way. When winter comes, gently clear away any piles that need to be cleaned.

If you perform regular seasonal maintenance on your composite deck. Then it will last forever, and weather-related damage will be minimized.

So, Is It Worth It to Protect Composite Decking?

Of course, it’s worth it. Composite decking material will last at least 25 years with normal wear and tear. However, cold winters can accelerate weathering and prematurely increase maintenance costs. So take some time to clean, store, and protect your deck before the weather gets cold.

Careful snow removal can prevent scratches. If you take care of minor problems in a timely manner, you can avoid major repairs down the road. If you maintain your composite decking in the proper season, it will keep looking great every year.

Composite-Decking-14

Questions About How to Care for Your Composite Decking

Should I Stain or Seal My Composite Decking?

The manufacturer of Composite decking does not recommend the use of stains or sealers. Over time, these substances can wear away the protected shell and accelerate the damage process of the decking.

Even without the use of stains or sealers, composite decking boards maintain their beautiful appearance for a long time. This is one of the biggest differences between it and wood decking.

Should I Cover My Deck in the Winter?

Do not use tarps or boxes unless you have purchased a specialized winter covering. This is because they will allow water to pool on the boards, which will cause them to rot over time. Let rainwater run through the cracks so the deck will be completely dry by the time the weather warms up.

Can De-icers Possibly Harm Composite Decking?

Yes, prolonged exposure to rock salt or magnesium chloride can damage the protective shell. Look for de-icers that are labeled safe for Composite Decking, such as calcium chloride products. They will melt snow without leaving much of a trace and will not damage the surface of the composite decking.

Related Post

  • How To Build A Deck in Australia
  • Will Composite Decking Become Slippery in Winter
  • Why Do Composite Decking Boards Warp?
  • Preparing & Protecting Your Deck for Winter
Tags:
Composite DeckingOutdoor Decking
author avatar
Kelin Content Writer
Kelin is an accomplished writer specializing in outdoor home decor. With a background in landscape architecture and a flair for storytelling, Kelin creates compelling content that inspires homeowners to enhance their outdoor living spaces. His writing covers a range of topics from garden design and furniture placement to the latest trends in outdoor living. Known for his practical advice and innovative ideas.
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