Is your old deck dried out, cracked, and just driving you crazy? Here's what it costs to replace your old pressure-treated decking with new composite decking.
But first, you have to assess a few things and keep them in mind...
1. Assessing the Structure
Before diving into the costs, the first step is to evaluate the condition of your existing deck's structure. This is crucial because investing in new composite decking only makes sense if the underlying structure is solid. Otherwise, you risk spending a lot of money on new decking just to face structural issues later on, potentially needing to replace joists, beams, or posts.
Common Issues with Old Structures:
- Rusted Screws: Often, when removing old deck boards, screws break off due to rust, necessitating prying off boards, which can split joists.
- Nailed Boards: If boards are nailed, pulling them up can also split the tops of the joists, which affects the new composite clip installation. Ineffective clip screws can cause cupping in your new decking and may void the manufacturer's warranty.
- Joist Spacing: Composite decking requires joist spacing of at least 16" on center, though 12" on center is preferred by reputable deck builders. Diagonal decking must be at least 12" on center. Check the joist span to ensure it meets code using tools like the Joist Span Calculator.
2. Checking Posts and Beams
Inspect posts and beams for weathering and code compliance. A responsible contractor will refuse to install new decking on a deck that cannot pass a structural inspection to avoid legal complications. Ensuring the safety and integrity of the structure is paramount.
3. Cost of Removing Old Decking
The cost to remove old 5/4 decking can vary depending on the circumstances. Here's a few!
- Distance to Carry Demolished Materials: Longer distances can increase labor costs.
- Type of Fasteners: Screws are more labor-intensive to remove than nails.
- Decking Layout: Diagonally laid decking is harder to remove with prying tools.
On average, the cost to remove old decking ranges from $5 to $20 per square foot.
4. Labor to Install New Composite Decking
Labor costs for installing new composite decking also vary depending on:
- Design Complexity: Features like picture framing or breaker boards in the middle can increase labor costs.
- Additional Framing
Typically, labor costs range from $15 to $25 per square foot.
5. Cost of Composite Decking Materials
Composite and PVC decking materials vary widely in price depending on the manufacturer and quality level. Composite decking costs between $2.50 and $9.00 per linear foot.
Conclusion
Replacing your old pressure treated decking with new composite decking involves careful consideration of the existing structure's integrity, the complexity of the removal and installation process, and the cost of materials. While the initial investment might seem high, ensuring a solid foundation and high-quality materials will provide a durable and aesthetically pleasing deck that stands the test of time.
For a precise estimate tailored to your specific project, it's best to consult with a professional contractor who can assess your deck's condition and provide a detailed quote.
Schedule your free consultation below right on my website, at your convenience!
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