Stair Options for Decks

June 04, 20243 min read

When it comes to enhancing your outdoor living space, Trex decking is a popular choice due to its durability, low maintenance, and aesthetic appeal. However, one crucial aspect of deck design that often requires careful consideration is the type of stairs you choose. Stairs are not only a functional necessity but also contribute significantly to the overall look and safety of your deck. Here’s a guide to help you navigate through the various stair options for your Trex deck.

Understanding Trex Decking

Trex decking is made from a composite material that combines wood fibers and plastic, offering the natural look of wood with the durability and longevity of plastic. This composite material is resistant to rot, mold, and insects, making it an excellent choice for outdoor applications. Trex decking comes in a variety of colors and styles, allowing homeowners to create a customized look that complements their home’s exterior.

Types of Stair Designs

  1. Straight Stairs: This is the most common and straightforward option. Straight stairs run directly from the deck to the ground without any turns or landings. They are simple to design and construct, making them a cost-effective choice. However, they require sufficient space as they need to extend out in a straight line.

  2. L-Shaped Stairs: These stairs involve a 90-degree turn, creating a landing in between two sets of steps. L-shaped stairs are useful for decks that are higher off the ground, as they break up the flight of stairs, making it easier to navigate. They also add an interesting visual element to the deck design.

  3. U-Shaped Stairs: Also known as switchback stairs, U-shaped stairs make a 180-degree turn at a landing. This design is ideal for taller decks with limited horizontal space. U-shaped stairs can add an architectural element to your deck and are often used in multi-level deck designs.

  4. Spiral Stairs: Spiral stairs are a stylish and space-saving option. They require a smaller footprint and can be a striking focal point. However, they can be more challenging to navigate, especially for children, elderly individuals, or those carrying items.

Material Choices for Trex Deck Stairs

  1. Composite Decking: Using Trex composite decking for your stairs ensures consistency in appearance and performance with the rest of your deck. Trex composite stairs are durable, low-maintenance, and resistant to the elements.

  2. Pressure-Treated Wood: Some homeowners opt to use pressure-treated wood for the stair framing, with Trex decking on the treads and risers. This combination can be cost-effective while still providing the aesthetic and functional benefits of Trex on the visible surfaces.

  3. Aluminum Stringers: For a modern, industrial look, aluminum stringers can be paired with Trex treads. Aluminum stringers are strong, lightweight, and resistant to rust and corrosion. They provide a sleek contrast to the composite decking.

Safety and Aesthetics

When designing your Trex deck stairs, safety should be a top priority. Ensure that the stairs have a comfortable rise and run, with each step being uniform in height and depth. Non-slip treads are crucial, especially in areas prone to moisture. Adding railings and handrails is essential for safety and can enhance the visual appeal of your stairs. Trex offers matching railings that can be integrated seamlessly with your deck design.

Lighting is another important consideration. Incorporating LED stair lights can improve safety during nighttime use and create a warm, inviting ambiance. Trex offers a range of outdoor lighting options designed to complement their decking and railing systems.


Selecting the right stairs for your Trex deck involves balancing functionality, safety, and aesthetics. Whether you choose straight, L-shaped, U-shaped, or spiral stairs, ensuring that they are constructed from durable, low-maintenance materials like Trex composite decking will provide long-lasting beauty and performance. By considering the various design and material options, you can create a stunning and safe outdoor staircase that enhances your deck and complements your home’s exterior.

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