If you are planning to build or replace a deck, one of the first questions you will ask is: how much does it cost? A deck is more than just a platform in your backyard. It is an extension of your home, a place for gatherings, relaxation, and increasing your property value.
When it comes to materials, many homeowners find themselves choosing between traditional wood and Trex composite decking. Trex® is the world’s leading brand of composite decking, and for good reason. It offers unmatched durability, low maintenance, eco-friendly materials, and warranties that protect your investment for decades. But what about the cost?
This guide will break down the installation costs of Trex® composite decking, including material prices, labor rates, factors that affect overall expenses, and how Trex® compares to wood. By the end, you’ll know exactly what to expect when budgeting for your new deck.
Why Choose Trex Composite Decking?
Before diving into costs, it is important to know why Trex® is such a popular choice among homeowners. Compared to wood decking, Trex® offers:
- Durability: Resistant to rot, mold, and insect damage.
- Lifespan: 25 to 50 years depending on the product line.
- Low Maintenance: No sanding, staining, or sealing required.
- Eco-Friendly Materials: Made from 95% recycled plastic and reclaimed wood fibers.
- Warranty Protection: 25-, 35-, or 50-year limited residential warranties depending on the product line.
For North Carolina homeowners especially, where humidity and weather fluctuations wreak havoc on wood decks, Trex® is a proven long-term solution.
Material Costs for Trex® Composite Decking
Trex® offers three primary product lines, each at different price points:
Trex® Product Line | Material Cost (per sq ft) | Warranty | Description |
Trex Enhance® | $12–$15 | 25 years | Affordable, practical option for budget-conscious homeowners. |
Trex Select® | $15–$18 | 35 years | Mid-tier decking with balanced performance, richer colors, and improved style. |
Trex Transcend® | $18–$22 | 50 years | Premium, luxury-grade decking with the highest durability and longest lifespan. |
Labor Costs for Installation
Labor is often the largest variable in deck construction. On average, Trex® deck installation labor costs between $15 and $40 per sq ft, depending on:
- Deck size and design complexity
- Ground-level vs elevated deck
- Site conditions (grading, demolition of old deck, etc.)
- Custom features such as railings, lighting, and stairs
A straightforward 12×20 Trex® Enhance® deck may cost $7,200 to $10,000 installed, while a custom Trex® Transcend® deck with railings and built-in seating could exceed $15,000 to $20,000.
Cost Comparison: Trex vs Wood
Wood decks are cheaper upfront, typically costing $15–$25 per sq ft installed. However, they require frequent staining, sealing, and repairs. Over 20 years, wood decks often cost more than Trex® once maintenance is factored in.
Feature | Trex® Composite Decking | Wood Decking |
Initial Cost | $30–$80 per sq ft installed | $15–$25 per sq ft installed |
Maintenance | Occasional cleaning only | Staining, sealing every 1–3 yrs |
Lifespan | 25–50 years | 10–15 years |
Warranty | 25–50 years | None |
Over time, Trex® is the more cost-effective option, despite higher upfront costs.
Factors That Affect Trex Deck Installation Cost
Several factors can raise or lower your final project cost:
- Deck Size: Larger decks require more material and labor.
- Product Line: Enhance® is cheapest, Select® is mid-range, Transcend® is premium.
- Design Complexity: Multi-level decks or curves increase costs.
- Railing Options: Railings cost $20–$250 per linear foot.
- Stairs: More stairs = more materials and labor.
- Permits: Building permits in North Carolina vary by county.
- Demolition: Removing an old deck adds to labor costs.
- Add-Ons: Lighting, seating, pergolas, or custom features raise the price.
Long-Term Value of Trex® Composite Decking
While Trex® costs more upfront, it is important to look at long-term value:
- Lower Maintenance Costs: No sealing or staining.
- Extended Lifespan: Lasts 2–3 times longer than wood.
- Better Resale Value: Buyers see Trex® as a premium feature.
- Warranty Protection: Peace of mind for decades.
In short, Trex® pays for itself over time.
DIY vs Professional Installation
Some homeowners consider taking the DIY route when building a Trex® deck because they want to save on labor costs. At first glance, it looks like an affordable option. However, building a composite deck is much more complex than laying boards on a frame. Mistakes during installation not only compromise the safety of the structure but can also void the Trex® warranty.
Common DIY Risks
- Improper Joist Spacing: Trex® requires specific joist spacing to prevent sagging. Incorrect spacing leads to uneven boards and unsafe walking surfaces.
- Ledger Attachment Errors: If the deck is attached to your home incorrectly, it can allow water intrusion or even lead to structural collapse.
- Wrong Fasteners: Using non-approved fasteners causes corrosion and weakens the structure, especially in North Carolina’s humid climate.
- Lack of Permits: DIY decks often skip proper permitting, which can lead to fines, failed inspections, or even removal orders.
- Hidden Costs: Many homeowners underestimate the cost of tools, hardware, and the time required, turning a “budget” project into a money pit.
Advantages of Professional Installation
Hiring licensed contractors familiar with North Carolina building codes guarantees:
- Code Compliance: Decks are built to local regulations and pass inspections.
- Structural Safety: Correct footing depth, load-bearing capacity, and framing ensure your deck is safe for decades.
- Warranty Coverage: Trex® warranties are only valid when installed per manufacturer guidelines. Professionals ensure compliance so your warranty stays intact.
- Quality Finish: A professional deck builder delivers consistent spacing, seamless railings, and the polished look homeowners want.
- Time Savings: Instead of weeks of trial and error, you get a completed deck in days.
Why Choose CPS Construction Services
At CPS Construction Services, we do more than just install decks. We guide you through the entire process:
- Design and Planning: We help you choose between Trex® Enhance®, Select®, or Transcend® based on your budget, style, and lifestyle.
- Permitting and Compliance: We handle permits, inspections, and ensure your deck meets North Carolina safety standards.
- Expert Installation: Our team uses Trex®’s recommended fasteners, framing methods, and installation practices for maximum durability.
- Peace of Mind: With CPS, you can trust that your deck is not only beautiful but also safe, compliant, and backed by full warranty coverage.
DIY might save a little upfront, but with the risks, hidden costs, and potential code issues, professional installation is the smarter investment, especially when working with a premium product like Trex®.
Conclusion
Trex composite decking costs more upfront than wood, but it delivers decades of low-maintenance beauty, safety, and durability. With material costs ranging from $12–$22 per square foot and installation averaging $30–$80 per square foot, Trex® is a smart investment for homeowners who want a deck that lasts.
At CPS Construction Services, we build decks with Trex Enhance®, Select®, and Transcend®, delivering custom outdoor spaces across North Carolina. If you want a deck that saves money long-term and adds value to your home, Trex® composite decking is the right choice.
📞 Call us today for a free consultation and estimate.
Frequently Asked Questions
Trex® materials typically range from $12 to $22 per square foot, depending on the product line. Fully installed pricing averages $30 to $80 per square foot, based on deck size, design complexity, and regional labor rates.
Trex Enhance® is the budget-friendly line. It offers reliable performance, a 25-year warranty, and lower material costs while still delivering composite durability.
Yes. Trex® costs more upfront than treated lumber, but it saves money long-term because it lasts decades, does not require staining or sealing, and has lower maintenance costs over its lifespan.
Labor for Trex® deck installation typically runs $15 to $40 per square foot. The final cost depends on deck elevation, framing requirements, railing style, and site conditions.
DIY installation is possible, but Trex® recommends professional installation to ensure proper framing, spacing, and fastening. A certified installer also protects your warranty and ensures compliance with building codes.
Trex® composite decking lasts 25 to 50 years, depending on the product line and warranty. Premium lines like Trex Transcend® offer the longest lifespan and highest fade and stain resistance.
