Laying Composite Decking for a Stunning Outdoor Space

Do you want to create a beautiful outdoor space that’s both functional and stylish? Are you looking for an alternative to traditional wood decking that requires less maintenance and upkeep? 

If you answer yes to both questions, composite decking is a better option. Because of its durability, low maintenance, and aesthetic appeal, composite decking is popular for outdoor flooring. 

In this guide, we’ll walk you through the essential tools and materials required for laying composite decking, the steps for proper installation, and the best practices for maintaining your new outdoor space.

Laying Composite Decking: A Comprehensive Guide 

We provide a wide range of composite decking options at New Wave Flooring. We also offer a guide to assist with installing your composite decking. Please find below:

Essential Tools and Materials Required for Laying Composite Decking

Tools Required:

  • Safety Equipment – Safety glasses, gloves, ear protection, and a dust mask
  • Measuring and Marking Tools – Measuring tape, chalk line, and level
  • Cutting Tools – Circular saw, jigsaw, and miter saw
  • Fastening Tools – Drill, driver bits, deck screws, and hidden fasteners
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 Materials Required:

  • Composite Decking Boards – purchase the correct amount and type of decking for your project.
  • Joists and Bearers – treated lumber or composite materials used to support the deck boards.
  • Deck Screws – to fasten the deck boards to the joists.
  • Post Anchors – to secure the deck posts to the footing or foundation.
  • Concrete Footings – a sturdy base to support the deck structure.

How Should Composite Decking Be Laid?

1. Planning the Layout of the Deck

  • Measuring the area – Measure where you want to build the deck.
  • Marking the Layout – Mark the patio layout using a chalk line or other marking tool.

2. Installing the Joists and Bearers

  • Spacing the Joists – Space the joists according to manufacturer guidelines.
  • Attaching the Bearers – Attach the bearers to the post anchors with bolts or screws.

3. Laying the Composite Decking Boards

  • Cutting the Boards to Size – Cut the boards to size using a circular saw or jigsaw.
  • Fastening the Boards to the Joists – Attach the boards with screws or hidden fasteners.

4. Installing the Finishing Touches

  • Fascia Boards – Install fascia boards to cover the ends of the deck boards and give the deck a finished look.
  • Skirting Boards – Install skirting boards to cover the underside of the deck and add visual appeal.

Check out our comprehensive, detailed guide on laying composite decking here.

What Do You Put Under Composite Decking?

Importance of Decking Substructure: 

Before installing composite decking, it’s crucial to have a proper substructure in place. The substructure provides the foundation for your deck and ensures it is level, stable, and able to support the weight of the decking and any furniture or people using it.

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Types of Underlayment Materials: 

There are several materials you can use for underlayment when installing composite decking, including:

  1. Gravel and Crushed Stone: Using gravel or crushed stone as a base can help improve drainage and prevent water from collecting under the decking, which can cause mold and mildew growth.
  2. Weed Barrier Fabric: Weed barrier fabric can prevent weeds and other plants from growing up through the decking, which can cause damage and create an uneven surface.
  1. Landscape Fabric: Landscape fabric is similar to weed barrier fabric but is thicker and more durable. It can help prevent soil erosion and promote drainage.
  1. Concrete Pads: Concrete pads can provide a level surface for your decking and prevent it from sinking or shifting over time.
  1. Polyethylene Sheeting: Polyethylene sheeting can create a moisture barrier between the decking and the ground. It can help prevent moisture from seeping into the decking and causing damage.

What is the Max Spacing for Composite Decking?

Importance of Proper Spacing: Proper spacing is crucial when installing composite decking to ensure it performs well and looks great. The proper spacing can help prevent warping, buckling, and other types of damage.

For a 5.4m full length

leave 3mm on each end when the outside temperature is 30 degrees, 

leave 5mm on each end when the outside temperature is 20 degrees,

and leave 7mm on each end when the outside temperature is 10 degrees

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Understanding Composite Decking: What is it and Why is it Popular?

Composite decking is becoming increasingly popular due to a variety of reasons.


Composite decking is highly resistant to moisture, UV rays, and insects. In addition, unlike wooden decks, composite decking won’t warp, rot, or splinter over time.

Low Maintenance 

Composite decking requires little to no maintenance compared to traditional wooden decks. It doesn’t require sanding, staining, or sealing and only needs occasional cleaning.

Aesthetically Pleasing 

Composite decking is available in various colors, styles, and textures, making it easy to customize and create a beautiful outdoor space.

Comparison between Composite Decking and Traditional Wood Decking 

Compared to traditional wooden decks, composite decking is more expensive upfront. However, over time, the cost of maintenance and replacement of a wooden deck can increase, making composite decking the more cost-effective choice in the long run.

Enjoy Your Stunning Outdoor Space with Composite Decking

Composite decking is a fantastic option for homeowners who want to enjoy a beautiful outdoor space without the constant upkeep that traditional wood decks require. Not only does composite decking require minimal maintenance, but it also has a longer lifespan than conventional wood decks and is more environmentally friendly. 

Plus, with a variety of options to choose from, you can create a stunning outdoor space that perfectly complements your home.

Contact New Wave Flooring today if you’re ready to upgrade your outdoor space with composite decking! Our team of experts can help you select appropriate materials and designs for your space to ensure your new deck is built to last. So don’t wait – start enjoying your stunning new outdoor space today!

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