A Step-by-Step Guide to Composite Decking

July 20, 2024

A deck is more than just an addition to your home; it's an outdoor extension of your living space. Composite decking, with its durability and low maintenance, has become popular among homeowners looking to enhance their outdoor areas. This guide will walk you through designing a composite deck, from initial planning to selecting materials, with everything the leading Boulder lumber yard, Budget Home Supply, has to offer.

What is Composite Decking?

Composite decking is made from a blend of wood fibers and recycled plastics. This combination provides the natural beauty of wood without the extensive maintenance typically associated with traditional wood decks. Composite deck boards are resistant to warping, rotting, and insect damage, making them a long-lasting option for any home.

Advantages of Composite Decking

  • Durability: Composite decks are designed to withstand the elements, making them perfect for fluctuating climates.
  • Low Maintenance: Unlike wood, composite materials do not require staining, sealing, or painting.
  • Aesthetics: In various colors and finishes, composite decking can mimic the look of natural wood or offer unique hues that traditional wood does not provide.
  • Environmentally Friendly: Many composite decks are made from recycled materials, making them an eco-friendly choice for homeowners.

Planning Your Composite Deck

Define Your Goals

Before diving into the design, it’s important to define what you want from your deck. Consider how you plan to use the space—whether for lounging, dining, or entertaining. This will determine the deck's size, shape, and features, such as built-in seating or areas for grilling.

Measure Your Space

Accurate measurements are crucial. Measure the area where you plan to install the deck to understand the space limitations and potential. This will help create a more precise design that perfectly fits your outdoor area.

Consider Your Home’s Architecture

Your deck should complement your home’s overall style. Consider the lines and colors of your house and aim to create a seamless transition between indoors and out. This ensures the deck feels like an extension of your home, not an afterthought.

Selecting the Right Materials

Choosing Composite Deck Boards

Budget Home Supply offers a wide range of composite deck boards, each with unique benefits and aesthetics. When selecting your boards, consider the following:

  • Durability: Ensure the composite boards are suited to your climate and capable of withstanding local weather conditions.
  • Colors and Textures: Composite decking colors range from natural wood hues to more contemporary shades. Choose a color that matches or complements your home’s exterior.
  • Quality: Opt for high-quality composites with additional features like UV resistance and enhanced durability. Budget Home Supply features top brands that promise longevity and beauty.

Accessories and Features

Consider the additional components that make up your deck:

  • Railings: Decking railings can match or contrast your decking for a bold look. They offer safety and can define the deck’s style.
  • Lighting: Integrated lighting not only enhances safety but also adds to the ambiance of your deck at night.
  • Additional Features: Composite materials can be used to make elements like pergolas, benches, and planter boxes, which give them a cohesive look and minimal maintenance.

Designing Your Deck

Create a Layout

Create a detailed layout of your deck using your measurements and the features you want to include. This might involve sketching your design or using a software that allows you to visualize the deck in 3D.

Check Local Building Codes

Consult with your local building authority to understand the necessary permits and building codes. Ensuring your deck design meets all legal requirements is essential before construction begins. Key areas to consider include:

  • Deck height and railing requirements
  • Stair specifications (riser height, tread depth)
  • Required permits and inspections

Consult with Experts

Utilize the expertise available at Budget Home Supply. Our staff can guide the specifics of building a composite deck, from choosing the right materials to understanding the nuances of installation.

Installation Tips

Prepare the Site

Clear the area where the deck will be installed. This involves leveling the ground and ensuring proper drainage to prevent water accumulation under the deck.

Build a Strong Foundation

Your deck’s durability heavily relies on its foundation. Ensure that the posts and frame are securely anchored and that all materials used are suited for ground contact and moisture exposure. Consider:

  • Joist spacing: Typically tighter than wood decks for proper support
  • Blocking: Additional support between joists for added stability
  • Fastening systems: Hidden fasteners for a clean look or color-matched screws

Factoring in Expansion and Contraction

Composite materials expand and contract with temperature changes. Your design should account for this by:

  • Leaving appropriate gaps between boards
  • Using proper spacing techniques for railings and other features
  • Following manufacturer guidelines for your specific product

Lay the Deck Boards

Start laying the deck boards from the house outward. Make sure each board is securely attached and that there is consistent spacing between boards to allow for expansion and contraction.

Add Finishing Touches

Once the main structure is complete, add railings, trim, and other features. Apply any final touches, such as sealants or caps, to screw heads to enhance the deck’s appearance and durability.

DIY vs. Professional Installation

While many homeowners successfully install their composite decks, others prefer to hire professionals. Consider:

  • Your skill level and available time
  • The complexity of your design
  • Access to necessary tools and equipment

If you choose the DIY route, our knowledgeable staff at Budget Home Supply can provide guidance and support throughout your project.

Maintaining Your Composite Deck

While composite decks require less maintenance than wood, they still benefit from regular care:

  • Cleaning: Regular cleaning with soap and water will keep your deck looking new.
  • Inspections: Periodically check for any loose boards or railings and promptly address any issues.

BONUS: Come for the Deck, Get an Outdoor Kitchen!

Fire up the grill for your deck-warming party! Budget Home Supply is a proud dealer of Bull Outdoor Products, perfect for crafting your dream outdoor kitchen on a robust Trex Elevations Steel Frame. Whether you envision BBQ islands, sophisticated bar islands, pizza ovens, or elegant fire and water features, Bull's options are designed to cater to every culinary and aesthetic need.


Experience our full
Bull Outdoor kitchen display located just south of our front doors at Budget Home Supply. It features a stylish bar top, a serene water feature, and a cozy separate seating area. Our sales team is ready to guide you through the 18 standard features and over 90 optional upgrades available so you can enjoy your new deck to the fullest.


We Are Your Partners in Composite Decking

Designing and building a composite deck is a rewarding project that enhances your outdoor living space and the overall value of your home. As your local Boulder lumber yard, Budget Home Supply is committed to helping you bring your vision of a beautiful, long-lasting project to life.

By carefully considering your needs, choosing quality materials, and planning thoughtfully, you can create an outdoor oasis you'll enjoy for years. Visit our showroom to explore our wide selection of composite deck boards and get personalized advice from our experienced team!


Grey composite deck with outdoor furniture on a porch, including a sofa, chairs, and fireplace.
November 7, 2025
Discover the benefits of composite decking and why Budget Home Supply is Northern Colorado’s largest supplier for durable, low-maintenance decks.
Covered outdoor patio with a dining table, grill, and ceiling fan. Wooden deck and brick columns.
November 7, 2025
Learn how to choose, install, and maintain wood decking. Compare types, durability, and care tips from the experts at Budget Home Supply.
What is The Best Decking Material?: Wood vs. Composite
October 14, 2025
Compare wood and composite decking with our expert guide. Understand the pros and cons to choose the best material for your outdoor space. Read more.
Best of Longmont
August 27, 2025
Budget Home Supply voted Best of Longmont 2025 for Best Decking Materials, Best Outdoor Living Retailer and Best Home Improvement in Longmont by readers of Longmont Times-Call
December 6, 2024
Discover essential tips to prevent frozen pipes this winter! Learn how to winterize your plumbing, avoid costly repairs, and keep your home safe during cold months.
December 4, 2024
Discover essential tips for weatherproofing your home for every season. Keep your space comfortable and energy- efficient with our ultimate guide!
October 28, 2024
Discover why wood decking stands out over composite. Explore natural beauty, cost-effectiveness, and benefits that elevate your outdoor space. See why.
October 27, 2024
Discover the best hardwood for kitchen cabinets! Explore options like maple, oak, cherry, and more, and find the perfect fit for your home at Budget Home Supply.
deck renovation and how to maintain it
October 24, 2024
Discover how to spot and address common deck issues like cracks, splinters, and more. Keep your deck safe and looking great with our essential deck maintenance tips.
home improvement area with easy-to-access
By Luke Jernigan October 10, 2024
Discover easy DIY home improvement projects for beginners with Budget Home Supply. Our guide covers simple, budget-friendly ideas to transform your space.