Aluminum vs. Composite vs. Wood Railings: Which Is Right for Your Deck?

July 15, 2026

When planning a new deck, most homeowners focus on the decking boards themselves. But your railing system is just as important. It impacts safety, maintenance, curb appeal, and the overall style of your outdoor living space.



Three of the most popular options are aluminum, composite, and wood railings. Each offers unique benefits depending on your budget, maintenance preferences, and design goals.

Here's how they compare.

Aluminum Railings

Aluminum railings have become one of the most popular choices for modern decks because they're durable, low maintenance, and provide clean sightlines.


Pros

  • Rust and corrosion resistant
  • Extremely durable and long-lasting
  • Never needs staining or painting
  • Slim profiles maximize backyard views
  • Available in several colors and styles
  • Pairs well with composite decking


Cons

  • Higher upfront cost than wood
  • Limited ability to customize compared to wood
  • Can feel more contemporary than traditional

Best for: Homeowners looking for a low-maintenance railing that lasts for decades.


Composite Railings

Composite railings combine recycled wood fibers with durable polymers to create a railing that offers the look of painted wood without ongoing maintenance.


Pros

  • Low maintenance
  • Resistant to rot, insects, and moisture
  • Color stays consistent for years
  • Matches composite decking perfectly
  • Available in numerous colors and styles


Cons

  • Higher initial investment
  • Can become warm in direct sunlight
  • Slightly bulkier appearance than aluminum

Best for: Homeowners installing composite decking who want a coordinated appearance.


Wood Railings

Wood remains a timeless option and offers unmatched customization for traditional homes.


Pros

  • Lower upfront cost
  • Easily painted or stained
  • Can be customized to virtually any design
  • Natural warmth and classic appearance


Cons

  • Requires regular staining or sealing
  • Susceptible to rot, insects, and weather damage
  • May warp or crack over time
  • Higher long-term maintenance costs

Best for: Homeowners who prefer a classic aesthetic and don't mind routine maintenance.


Which Railing Is Best for Tennessee Homes?

Middle Tennessee's climate brings hot summers, humidity, heavy rain, and seasonal temperature swings. These conditions can take a toll on traditional wood railings, leading to warping, fading, and moisture damage over time.


For many homeowners, aluminum and composite railings provide better long-term value because they require little maintenance while standing up to Tennessee's changing weather.


If you love the natural look of wood and don't mind regular upkeep, wood railings can still be an excellent choice. But if you're investing in a new composite deck, matching it with aluminum or composite railings often creates the most durable and cohesive outdoor space.


Choosing the Right Railing for Your Project

The best railing depends on your priorities.


Choose aluminum if you want:

  • Minimal maintenance
  • Modern style
  • Open backyard views
  • Exceptional durability


Choose composite if you want:

  • A coordinated look with composite decking
  • Low maintenance
  • A traditional appearance
  • Long-lasting performance


Choose wood if you want:

  • The lowest upfront cost
  • Complete design flexibility
  • A classic, natural appearance
  • The ability to paint or stain any color

Find the Right Railing at Deck Supply of Nashville

Whether you're building a new deck or replacing an existing railing system, choosing the right materials makes all the difference. At Deck Supply of Nashville, we carry premium aluminum, composite, and wood railing systems from trusted manufacturers and can help you select the best option for your project and budget.


Visit our showroom or contact our team today to explore railing options that will keep your outdoor space beautiful, safe, and built to last.

Modern patio with gray sectional seating, white outdoor fireplace, and a pool beside a house

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Choosing the Right Decking Material for Your Nashville Home

June 2, 2025
Planning to build or upgrade a deck? Choosing the right decking material is one of the most important decisions you'll make—and it can impact everything from aesthetics and maintenance to long-term durability and budget. With so many options available today, Nashville homeowners have access to materials that offer not only beauty but also performance and low maintenance. Wood Decking: Natural Beauty with Classic Appeal Wood decking has long been a favorite for its timeless, natural look. Pressure-treated pine is the most common choice due to its affordability and availability. For a more premium option, cedar and redwood provide rich color, resistance to rot, and a luxurious finish. However, wood decks require regular maintenance to prevent weathering and prolong their lifespan. Staining, sealing, and occasional board replacement are part of keeping a wood deck looking its best. Composite Decking: Low-Maintenance and Long-Lasting Composite decking has become increasingly popular in Nashville thanks to its minimal upkeep and realistic wood-grain appearance. Made from recycled wood fibers and plastic, composite boards resist warping, fading, cracking, and insect damage. Top brands like Trex, TimberTech, and Sylvanix offer composite products in a wide variety of colors and finishes, making it easy to match your home’s style. This option is ideal for homeowners who want a durable, low-maintenance deck that looks great for years with minimal effort. PVC Decking: Maximum Durability and Moisture Resistance For those looking for the ultimate in weather resistance, PVC decking is a fantastic choice. Made entirely from plastic, PVC boards like those from AZEK resist water absorption, mold, and mildew—perfect for Nashville’s humid climate or homes near water. PVC decking is lightweight, splinter-free, and extremely easy to clean. While it may cost more upfront, its long-term durability and virtually maintenance-free performance make it a smart investment. Visit Our Nashville Showroom for Hands-On Help At Deck Supply of Nashville, we carry a wide selection of composite, wood, and PVC decking materials from the most trusted brands in the industry. Our experienced team is here to walk you through your options and help you find the perfect product based on your needs, style preferences, and budget.  Visit our showroom to see the materials up close, get expert advice, and start planning your dream deck today.
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5 Reasons to Shop Local for Decking Materials in Nashville

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Get Materials for your Nashville Deck at Deck Supply When starting a decking project, one of the first decisions you'll make is where to purchase your materials. While big box stores might seem convenient, local decking supply experts offer personalized service, better product knowledge, and faster turnaround times that national chains simply can’t match. 1. Specialized Selection of Outdoor Living Products Unlike general hardware stores, Deck Supply of Nashville focuses solely on decking materials and outdoor living products. That means you’ll find a better selection of composite, PVC, and wood decking, along with deck railings, drainage systems, lighting, fasteners, and screened-in porch materials—all under one roof. Our team stays up to date on the latest product innovations, styles, and industry trends so you get the best materials for your specific project. 2. Personalized Support from Local Decking Experts Our knowledgeable staff lives and works in the Nashville community, and we understand the unique needs of Middle Tennessee’s climate, building codes, and outdoor lifestyles. Whether you’re a first-time DIYer or a professional contractor, we provide one-on-one support to help you select the right products and avoid costly mistakes. We also offer recommendations for local contractors, giving you access to a vetted network of skilled deck builders. 3. In-Stock Materials and Quick Delivery Waiting weeks for materials to arrive can delay your entire project. At Deck Supply of Nashville, we keep most decking materials in stock and ready for same-day pickup or delivery within 1 to 2 days. Special orders? No problem—we’ll get them to you quickly and keep your build on schedule. 4. Competitive Pricing and Honest Guidance Shopping local doesn’t mean paying more. In fact, many of our products are priced better than what you’ll find at big box retailers—and we never upsell you on things you don’t need. Our goal is to help you build a quality deck that fits your budget without sacrificing durability or style. 5. Investing in the Local Nashville Community When you shop with Deck Supply of Nashville, you’re supporting a locally owned business that’s committed to building relationships and strengthening our community. We take pride in being part of your project and delivering a customer experience that national chains simply can’t match. Ready to Get Started on Your Deck? Stop by our Nashville showroom today to explore materials, speak with a decking expert, and discover how shopping local can make your next outdoor living project easier, faster, and more rewarding.