Composite Decking FAQ

Composite Decking FAQ

Welcome to the world of composite decking.

You might be wondering, 'Is composite decking good in winter?' or 'Does water damage composite decking?' These are just a couple of the burning questions we'll be answering in this ultimate FAQ article.

Get ready to have all your doubts cleared and your deck dreams realised.

Let's dive in and explore the wonders of composite decking.

Is composite decking good in winter?

Yes, composite decking is great in winter because it is resistant to moisture and won't crack or warp like traditional wood decks. When the cold weather sets in and snow starts to fall, you won't have to worry about your composite deck deteriorating.

Unlike wood, composite decking is made from a combination of wood fibers and recycled plastic, which makes it highly resistant to moisture. This means that even when the snow accumulates on your deck, it won't seep into the material and cause damage.

In addition to its moisture resistance, composite decking is also known for its durability. It is designed to withstand the harsh elements of winter without cracking or warping. This is because the composite material is engineered to be strong and stable, allowing it to hold up well under extreme temperatures. So, whether you live in a region with freezing temperatures or frequent thaws, your composite deck will remain intact and maintain its beauty throughout the winter season.

Another advantage of composite decking in winter is its low maintenance. Unlike wood decks that require regular staining, sealing, and painting, composite decking only requires occasional cleaning to keep it looking its best. This means less time spent on maintenance and more time enjoying your deck, even during the colder months.

Does water damage composite decking?

Water can cause damage to your composite deck, so it's important to take precautions to prevent issues. Composite decking is designed to be resistant to moisture, but prolonged exposure to water can still lead to problems over time. Here are a few things you can do to protect your deck:

1. Regularly clean and sweep your deck to remove any debris or standing water. This will help prevent the growth of mold or mildew, which can lead to discoloration and deterioration of the composite material.

2. Use a protective sealant or stain on your deck. This will create a barrier that helps repel water and prevent it from seeping into the composite boards.

3. Avoid using harsh chemicals or abrasive cleaners when cleaning your deck. Instead, opt for a mild detergent and a soft brush or sponge. This will help preserve the integrity of the composite material and prevent any damage.

4. Install proper drainage systems around your deck to ensure that water doesn't accumulate or pool on the surface. This will help prevent any potential water damage and prolong the lifespan of your composite decking.

Does composite decking go Mouldy?

To prevent mold growth on your composite deck, regularly clean and sweep to remove debris and standing water.

Mold can be a common problem on composite decking, especially in areas with high humidity or where the deck is exposed to water frequently. Fortunately, with proper maintenance and care, you can keep your composite deck mold-free and looking great.

Start by regularly cleaning your deck with a mild detergent and water. Use a soft-bristle brush or a pressure washer with a low-pressure setting to remove dirt, pollen, and other organic matter that can promote mold growth. Pay special attention to areas where water tends to pool or collect, such as near downspouts or under potted plants.

In addition to regular cleaning, it's important to sweep your deck regularly to remove any debris that can trap moisture and create a breeding ground for mold. Leaves, twigs, and other organic matter can accumulate on your deck, so make sure to sweep them away regularly.

If you notice any standing water on your deck, be sure to remove it promptly. Standing water can seep into the composite material and make it more susceptible to mold growth. Use a squeegee or a mop to remove any water that has collected on your deck's surface.

Can you jet wash composite decking?

When cleaning your composite deck, you can use a jet wash to effectively remove dirt and debris. Here's why it's a great option for keeping your deck looking clean and fresh:

1. Deep cleaning: A jet wash has the power to penetrate deep into the composite material, removing even the toughest stains and grime. This ensures a thorough cleaning that will leave your deck looking brand new.

2. Time-saving: Using a jet wash is a quick and efficient way to clean your composite deck. It saves you time and effort compared to scrubbing with a brush or using other cleaning methods. Just point and spray, and watch the dirt wash away.

3. Versatility: A jet wash can be used on various surfaces, making it a versatile tool for cleaning not only your composite deck but also other outdoor areas, such as patios, driveways, and fences.

4. Preventive maintenance: Regularly jet washing your composite deck helps prevent the build-up of dirt, mold, and mildew, which can cause damage over time. By keeping your deck clean, you can extend its lifespan and maintain its beauty for years to come.

Is composite decking high maintenance?

Regular maintenance for composite decking is not as intensive compared to other materials, saving homeowners time and effort. With composite decking, you can enjoy the benefits of a beautiful outdoor space without the high maintenance that comes with other materials. Unlike wood, composite decking does not require regular staining, sealing, or painting to maintain its appearance. This means less time spent on maintenance and more time spent enjoying your deck.

To keep your composite decking looking its best, you will need to perform some basic maintenance tasks. This includes regular cleaning to remove dirt, debris, and stains. Fortunately, cleaning composite decking is a simple process that can be done with just soap and water or a mild detergent. A gentle scrub with a soft-bristle brush or a pressure washer on a low setting should be enough to remove any stubborn dirt or stains.

In addition to regular cleaning, you should also inspect your composite decking for any signs of damage or wear. Check for loose boards, cracks, or splintering, and make any necessary repairs to ensure the safety and longevity of your deck.

Overall, composite decking offers a low-maintenance solution for homeowners who want to enjoy a beautiful outdoor space without the hassle of constant upkeep. So sit back, relax, and let your composite deck do the work for you.

Does composite decking need to be sealed?

With composite decking, homeowners don't need to worry about sealing it for maintenance. One of the great advantages of composite decking is its low maintenance requirements. Unlike traditional wood decking, which needs to be sealed regularly to protect it from moisture and rot, composite decking is designed to be resistant to these issues.

The materials used in composite decking are engineered to withstand the elements and maintain their appearance over time. This means that you can enjoy your deck without the hassle of constantly sealing it. Plus, composite decking is also resistant to fading, staining, and scratching, so you can spend more time relaxing and less time worrying about maintenance.

To keep your composite deck looking its best, all you need to do is regularly clean it with soap and water. This will help remove any dirt or debris that may accumulate and keep your deck looking pristine.

How often do you need to clean a composite deck?

Now that you know that composite decking doesn't need to be sealed, let's talk about how often you need to clean it.

Cleaning your composite deck is an important part of its maintenance and ensuring its longevity. Fortunately, the cleaning process is relatively easy and doesn't require much effort.

To keep your composite deck looking its best, it is recommended to clean it at least twice a year, or more frequently if you live in an area with heavy dirt or pollen. You can simply use a mild soap or a composite deck cleaner and a soft-bristle brush to scrub away any dirt or stains. Make sure to rinse thoroughly with water to remove any residue.

In addition to regular cleaning, it's also essential to address any spills or stains promptly. Wipe away spills as soon as they happen to prevent any potential staining. For tougher stains like grease or oil, you can use a mild household cleaner or a specialized composite deck stain remover.

How do you get green mould off composite decking?

If you're dealing with green mould on your composite deck, a mixture of vinegar and water can help remove it effectively. The acidic properties of vinegar make it a natural and eco-friendly solution for tackling mould and mildew. Here's how you can use vinegar to get rid of that pesky green mould:

  • Mix equal parts of white vinegar and water in a spray bottle.
  • Spray the solution onto the affected areas of your composite deck.
  • Let the mixture sit for about 10-15 minutes to allow the vinegar to penetrate the mould.
  • Scrub the area with a soft-bristle brush to loosen the mould.
  • Rinse the deck thoroughly with water to wash away the vinegar and any remaining mould.

Remember, it's important to wear protective gloves and eyewear while working with vinegar to avoid any skin or eye irritation. Additionally, always test the solution on a small, inconspicuous area of your deck before applying it to the entire surface to ensure it doesn't cause any damage.

With a little bit of vinegar and some elbow grease, you'll have your composite deck looking clean and mould-free in no time!

Do you leave gaps between composite decking?

You should always leave small gaps between your composite deck boards to allow for expansion and contraction due to changes in temperature and moisture levels. These gaps are essential for the long-term durability and structural integrity of your deck. Composite decking, although resistant to warping and rotting, can still be affected by temperature and moisture fluctuations. Without proper gaps between the boards, the deck may experience issues such as buckling, cracking, or even complete failure over time.

The recommended gap size between composite deck boards is usually around 5mm. This allows the boards to expand and contract naturally without causing any damage. When installing your composite deck, it's important to use spacers or a specialized gap tool to ensure consistent spacing between each board. This will help to create a uniform and aesthetically pleasing appearance while also maintaining the necessary gaps.

In addition to allowing for expansion and contraction, leaving gaps between your composite deck boards also helps with drainage. Any water that accumulates on the deck's surface can easily flow between the gaps, preventing moisture buildup and potential mold or mildew growth.

Can you paint or stain composite decking?

It depends. Many people mistakenly believe that composite decking cannot be painted or stained because it is made of a combination of wood and plastic fibers. Older decking can certainly be painted or stained, if you wish to “revive” it and give it a new lease of life. However modern decking is a different matter; the planks  are not easily painted or stained, as the surface finish will not allow adhesion, so it's not recommended (though it's not impossible).

What are the best products or chemicals to clean composite decking?

For the best results, use cleaning products specifically designed for composite decking. These products effectively remove dirt, debris, and mildew from your deck while being gentle on the surface. Here are some recommended cleaning products and chemicals:General 

Cleaning Products:
Composite deck cleaners: These cleaners remove dirt and stains without causing any damage.
Mild soap and water: A simple solution of mild soap and water can clean your composite deck, especially for light dirt and debris.

Specialized Cleaning Products:
Composite deck brighteners: These products restore the color and brightness of your deck, removing discoloration or fading caused by exposure to the elements.

Mold and mildew removers: If your composite deck has mold or mildew, these cleaners can effectively eliminate the problem, leaving your deck clean and safe.

Remember to always follow the manufacturer's instructions when using cleaning products on your composite decking. Regular cleaning and maintenance will help ensure the longevity and beauty of your deck.

How do you clean and refresh composite decking?

Now that you know the best products or chemicals to clean composite decking, let's dive into how you can actually clean and refresh it. Cleaning your composite decking is a simple process that can help maintain its appearance and longevity.

To start, gather some basic cleaning supplies like a broom, a bucket of warm water, and a mild detergent. Begin by sweeping away any loose debris or leaves from the surface of your deck. This will prevent any scratching during the cleaning process.

Next, mix a small amount of mild detergent with warm water in your bucket. Dip a soft-bristled brush or mop into the soapy solution and gently scrub the deck in a circular motion, working in small sections at a time. Be sure to pay extra attention to any areas with stains or spots.

After scrubbing, rinse the deck thoroughly with clean water to remove any soap residue. You can use a garden hose or a power washer on a low setting for this step. Allow the deck to air dry completely before using it again.

Does composite decking mark easily?

Composite decking can mark easily if not properly cared for and maintained. When you neglect your composite decking, it is susceptible to getting marked or stained, which can ruin its appearance and diminish its longevity. However, with regular cleaning and proper maintenance, you can prevent these marks and keep your decking looking pristine.

To avoid marks on your composite decking, it is important to clean up spills and stains as soon as they occur. Use mild soap and water to gently scrub the affected area, and rinse thoroughly. Avoid using harsh chemicals or abrasive cleaners, as they can cause damage to the surface of the decking.

In addition to regular cleaning, it is important to protect your composite decking from potential sources of marks or scratches. Place furniture pads under the legs of your outdoor furniture to prevent them from scratching the surface. Avoid dragging heavy objects across the decking and use caution when moving any sharp or abrasive items.

Lastly, it is essential to regularly inspect your composite decking for any signs of wear and tear. If you notice any areas that have been marked or damaged, address them promptly to prevent further deterioration. By following these simple maintenance practices, you can ensure that your composite decking remains mark-free and continues to enhance the beauty of your outdoor space for years to come.

Can rats get under composite decking?

To prevent rats from accessing underneath your composite deck, make sure to seal any gaps or openings that they could use as entry points. Rats are known for their ability to squeeze through small spaces, so it's important to be thorough in your efforts to keep them out.

Start by inspecting your deck for any cracks or holes. Pay special attention to areas where the deck meets the ground or where there may be gaps between the boards. Use a sealant or caulk to fill in any openings you find.

It's also a good idea to check the perimeter of your deck and make sure there are no openings that rats could use to get underneath. This includes checking for gaps between the deck and any surrounding structures, such as walls or fences.

If you have any vents or openings for utilities under your deck, make sure they are properly sealed as well.

Is composite decking a fire hazard?

If you're concerned about fire hazards, it's essential to understand that composite decking has a higher resistance to fire compared to traditional wood decking. This is because composite decking is made from a combination of wood fibers and plastic, which gives it better fire resistance properties. The plastic component in composite decking acts as a barrier, preventing the spread of flames and reducing the risk of fire.

Additionally, composite decking materials are treated with fire retardant chemicals during the manufacturing process, further enhancing their fire resistance.

It's important to note that while composite decking is more fire-resistant than wood decking, it is not completely fireproof. In the event of a fire, composite decking can still burn and emit smoke and toxic fumes. However, compared to wood decking, composite decking is less likely to ignite and spread the fire. This makes it a safer option for areas where fire hazards are a concern, such as near grills or fire pits.

Will composite decking rot in the ground?

While composite decking is highly resistant to rot, it's important to properly install and maintain it to ensure long-term durability. Here are some tips to help you keep your composite decking in good condition:

  • Proper installation: Make sure to follow the manufacturer's guidelines for installation. This includes using the correct fasteners and leaving the proper spacing between boards. A well-installed deck will have better resistance to rot.
  • Regular cleaning: Composite decking is low maintenance, but it still requires regular cleaning to remove dirt, debris, and mildew. Use a mild detergent and a soft brush to clean the surface. This will help prevent the growth of mold and mildew, which can lead to rot.
  • Protective measures: Take steps to protect your composite decking from potential sources of rot. For example, avoid placing potted plants directly on the deck surface, as they can trap moisture and promote rot. Use protective mats or saucers to create a barrier between the plant and the deck.

Does composite decking need a concrete base?

Although composite decking is highly durable, it does not necessarily require a concrete base for installation. In fact, one of the advantages of composite decking is its versatility when it comes to installation options.

If you prefer a more flexible and faster installation process, you can opt for a system that uses adjustable pedestals or joists. These systems allow for easy leveling and can be used on a variety of surfaces, including gravel, sand, or even grass. This means that you can install your composite decking on a patio, a rooftop, or any other area without the need for a concrete base.

Not having to rely on a concrete base also offers the advantage of easy removal and reinstallation. If you ever need to relocate or replace your composite decking, it can be done without the hassle and expense of breaking up and removing a concrete base.

Does composite decking stain?

When properly maintained, composite decking won't stain, making it an easy and low-maintenance option for your outdoor space. With composite decking, you don't have to worry about spills or accidents ruining the look of your deck.

Here are four reasons why composite decking is stain-resistant:

1. Non-Porous Surface: Composite decking has a non-porous surface that doesn't absorb liquids like traditional wood. This means that spills, such as wine or barbecue sauce, can be easily wiped away without leaving a stain.

2. UV Protection: Composite decking is designed to withstand the harsh effects of the sun's UV rays. It is built with protective coatings that prevent fading, discoloration, and staining caused by prolonged exposure to sunlight.

3. Easy Cleaning: Unlike wood, composite decking doesn't require extensive cleaning or staining to maintain its appearance. Regular sweeping and occasional washing with mild soap and water is usually enough to keep it looking clean and stain-free.

4. Color Options: Composite decking comes in a wide range of colors and finishes, allowing you to choose a shade that suits your style and preferences. The color is integrated into the material itself, making it resistant to fading, staining, and discoloration over time.

Investing in composite decking not only provides a beautiful outdoor space but also offers peace of mind knowing that stains won't be a constant worry.

 

So there you have it, all your burning questions about composite decking answered! It's the ultimate choice for a beautiful and hassle-free outdoor space and we stock 3m, 3.6m & 5m long composite deck boards in a range of colours, here at Southern Roofing & Building Supplies
 

Next: The Myths about composite decking