Composite Deck Builder in Chicago | Trex & TimberTech Specialists

Chicago’s Trusted Deck Installation Experts – Custom Decks That Last

Looking for the best deck builder in Chicago? Diamond Decking is your go-to expert for custom composite decks, Trex and TimberTech installations, and rooftop decks built for Chicago living. We specialize exclusively in composite decking, delivering low-maintenance, high-performance decks that enhance your home’s value and curb appeal. Whether you're in Lakeview, Lincoln Park, Wicker Park, West Loop, or beyond—our expert team brings precision and style to every project.

📞 Call now for a free quote: 847-231-2468

✅ Why Choose Composite Decking in Chicago?

Chicago’s unpredictable weather demands a deck that can handle everything from snow to summer sun. That’s why we build exclusively with Trex and TimberTech—industry-leading composite decking brands that resist rot, warping, fading, and splintering.

Benefits of Trex & TimberTech Decks:

  • Weather-Resistant: Built to withstand extreme cold, snow, and heat.

  • Low Maintenance: No staining, sanding, or sealing required.

  • Fade & Mold Resistant: Color stays vibrant year after year.

  • Eco-Friendly: Made from up to 95% recycled materials.

Trex composite deck installed in Lakeview, Chicago – maintenance-free outdoor living
TimberTech composite deck in Logan Square, Chicago with custom railing

🛠️ Our Chicago Deck Building Process

  1. Free Consultation & Site Assessment
    We visit your Chicago home, assess your space, and discuss your goals and budget.

  2. 3D Design Preview
    See your future deck with a custom 3D rendering using real Trex and TimberTech samples.

  3. Permits & Planning
    We handle all permits and ensure your project meets Chicago’s strict building codes.

  4. Precision Construction
    Our in-house crews use advanced tools and materials to ensure lasting performance.

  5. Final Walkthrough
    You approve the project before final sign-off—no surprises, just results.

🔨 Our Most Popular Deck Projects in Chicago

Whether you're on a rooftop in Lincoln Park or in a backyard in Avondale, we deliver customized solutions:

  • Rooftop Composite Decks
    Turn your rooftop into a private oasis with durable, code-compliant composite decking.

  • Backyard Trex Decks
    Expand your outdoor living with a multi-level or wrap-around Trex deck.

  • Deck Resurfacing
    Already have a deck? We replace the surface with premium composite materials for a fresh new look.

📍 Chicago Neighborhoods We Serve

We proudly serve homes and rooftops across Chicago, including:

  • Lincoln Park

  • Lakeview

  • Wicker Park

  • Old Town

  • West Loop

  • Avondale

  • Bucktown

  • Gold Coast

  • Logan Square

  • And more!

💬 Frequently Asked Questions

How long does a composite deck last in Chicago?
Trex and TimberTech decks last 25–30+ years with minimal maintenance—even in Chicago’s tough climate.

Do I need a permit for a new deck in Chicago?
Yes, most projects require permits. Don’t worry—we handle the entire permitting process.

What’s better: Trex or TimberTech?
Both are premium brands. Trex offers rich wood tones, while TimberTech includes capped PVC options for ultra-durability. We’ll help you choose the best option for your space.

Can you build rooftop decks in the city?
Absolutely! We specialize in structural rooftop deck installations and handle all city approvals and engineering requirements.