Hey there! If you're considering building a 20x12 deck using Trex decking, you're probably wondering about the costs involved. As someone who runs a construction company specializing in decks and backyard living spaces, I've got the details for you!
Let's break down the costs, keeping in mind that prices can vary depending on several factors such as deck height, the Trex decking line you choose, and the type of handrails.
Structural Framing Costs
First, let's talk about the structural framing. For a 20x12 deck, you'll need around 240 square feet of materials. Using Southern Pine Number 2 ground contact pressure-treated wood, you can expect to pay roughly $12 per square foot for materials. So, for the entire deck, the cost for framing materials will be around $2,880.
Trex Decking Costs
Trex offers four different lines of decking, each with its own price point:
- **Trex Enhance**: $6 per sq ft
- **Trex Select**: $8 per sq ft
- **Trex Transcend**: $10 per sq ft
- **Trex Transcend Signature**: $16 per sq ft
For a 20x12 deck (240 sq ft), the cost for Trex decking materials will be:
- **Trex Enhance**: $1,440
- **Trex Select**: $1,920
- **Trex Transcend**: $2,400
- **Trex Transcend Signature**: $3,840
Labor Costs
Labor costs can vary depending on the height of your deck. To build the pressure-treated structure, labor costs around $30 per square foot. So, for a 240 sq ft deck, labor will be approximately $7,200.
Labor to install the Trex decking runs about $26 per square foot. Therefore, the labor cost for installing the decking will be around $6,240.
Handrails Costs
Handrails are another important factor. The cost for handrails can range significantly:
- **Trex Select handrails**: $36 per linear foot
- **Trex Signature handrails**: $120 per linear foot
For a 20x12 deck, you'll need approximately 64 linear feet of handrails. Therefore, the material cost for handrails will be:
- **Trex Select**: $2,304
- **Trex Signature**: $7,680
Labor to install handrails ranges from $6 to $12 per linear foot. For 64 linear feet, the labor cost will be:
- **At $6 per linear foot**: $384
- **At $12 per linear foot**: $768
Additional Costs for Diagonal Decking and Steps
If you choose to lay your Trex decking diagonally, you’ll need to frame your joists 12 inches on center to provide the necessary support. This can increase your material costs and create up to 20% waste if you do not use butt seams. For a 240 sq ft deck, the additional waste cost for Trex Enhance, for example, would be around $288.
Steps can also add to the cost. Materials for steps run about $12 per square foot, and labor will be around $20 per square foot.
Example Cost Breakdown
Let's break down an example cost for a 20x12 deck using Trex Enhance decking, with mid-range labor costs and Trex Select handrails:
- **Structural framing materials**: $2,880
- **Trex Enhance decking**: $1,440
- **Labor for framing**: $7,200
- **Labor for decking installation**: $6,240
- **Trex Select handrails**: $2,304
- **Labor for handrails**: $576 (average $9 per linear foot)
- **Additional waste for diagonal decking**: $288
- **Steps materials**: (Assuming 20 sq ft of steps) $240
- **Labor for steps**: $400
**Total estimated cost**: $21,568
On average, you can expect the total cost to range from around $17,000 to $30,000. This investment will not only enhance the beauty of your backyard but also increase your home's value. If you have any questions or need a custom quote, feel free to reach out to us at JCS. We're here to help you create the perfect backyard living space!
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