You picked your decking board. You debated grain color for a week, maybe compared samples in your actual backyard lighting, and finally landed on something you’re excited about.
Then someone hands you a railing catalog, and you realize the decisions aren’t over.
Railing is easy to treat as an afterthought. It shouldn’t be. It’s the part of your custom deck you touch every time you walk out the door, and on an elevated deck, it’s doing real safety work too. So let’s walk through the four options we install most often here at Crafted Decks + Porches, what each one actually costs, and which one tends to fit which kind of homeowner.
TL;DR: Choosing wood, composite, cable of aluminum railing for your Upstate SC home
- Wood: Best for traditional aesthetics and budget-conscious projects, though it requires regular maintenance like staining and sealing.
- Composite: Offers the look of wood with significantly less maintenance, making it a great long-term investment for those using composite decking.
- Cable: Provides an unobstructed view, perfect for lakefront homes, though it requires professional installation for safety and code compliance.
- Aluminum: A durable, modern, and low-maintenance option that stands up well to weather, ideal for those wanting a contemporary look.
- Code Compliance: Regardless of material, all railings must meet South Carolina's 36-inch height requirement and 4-inch baluster spacing, making professional permitting and inspection essential.
Wood Railing: The One Everyone Pictures First
When most people imagine a deck railing, they picture wood. It’s familiar, warm, and matches almost any home style, from a craftsman bungalow in Travelers Rest to a cabin near Lake Jocassee.
Wood also tends to be the most budget-friendly option upfront, running from $10 per linear foot installed to $50 or more per linear foot with more exotic woods, based on industry cost data.
Here’s the trade-off, and we’d rather tell you now than let you find out later: wood needs upkeep.—sanding, staining, resealing, on a cycle that usually repeats every year or two. In the Upstate, humidity and pollen do their own thing to a railing’s finish, and if your deck sits near one of the lakes, that moisture exposure only adds to it.
Wood makes the most sense when:
- You want the classic look, and you’re comfortable with the maintenance
- Budget is the top priority
- Your home’s style leans traditional or rustic
Composite Railing: Low Maintenance Without Losing the Wood Look
This is where most of our conversations land, because it solves the exact problem wood creates. Composite railing is made from a blend of recycled wood fibers and plastic, so it holds the warmth of a traditional railing without asking you to refinish it every summer.
We install Trex, TimberTech, and Azek, and all three build their composite railing in tiers, similar to how their decking works. A good-better-best structure means there’s a price point for almost every project, whether you’re doing a straightforward rail run or something with curves and custom post caps.
Industry pricing for composite railing generally starts around $15 to $30 per linear foot installed, though your actual number depends on the specific line and style you choose. We’ll walk through real pricing for your project during your onsite design visit, since catalog averages only tell part of the story.
Composite makes the most sense when:
- You want the wood aesthetic without the maintenance schedule
- You’re already using composite decking and want the two to match
- You’re planning to stay in the home long enough for low upkeep to pay off
Cable Railing: For the View You Don’t Want to Lose
If your backyard backs up to Lake Keowee, Lake Hartwell, or Lake Jocassee, this section is for you.
A traditional railing, with its posts and balusters, puts a visual fence between you and the water. Cable railing replaces that with horizontal stainless steel cables strung between slim posts, so your eye travels straight through to the view instead of stopping at a row of pickets.
It’s not cheap. Cable railing runs roughly $75 to $260 per linear foot installed, depending on the hardware and post material. Stainless steel cable costs more than galvanized, but it also holds up better against corrosion, which matters near water.
One thing worth saying plainly: cable railing is not a good DIY project. The cables need to be tensioned correctly to meet code and to actually be safe, especially on a second-story deck or anywhere kids will be playing. This is a job for a licensed contractor, every time.
Cable makes the most sense when:
- Your deck has a view worth protecting
- You want a modern, minimal look
- You’re not trying to hit the lowest possible price point
Aluminum Railing: Modern, Durable, and Low-Fuss
Aluminum is the quiet middle ground between composite and cable. It has a sleek, contemporary profile, similar to cable in that it keeps sightlines fairly open, but it comes at a more moderate cost, generally $40 to $70 per linear foot installed.
Two things make aluminum a smart pick for our area specifically. First, it resists corrosion, which matters if your deck sits anywhere near lake humidity or gets a lot of rain exposure. Second, it’s genuinely low-maintenance: an occasional rinse is usually all it needs.
The trade-off is color choice. Where composite comes in a wide range of tones, aluminum usually sticks to black, white, or bronze. For most modern builds, that’s not a dealbreaker. It’s just something to know going in.
Aluminum makes the most sense when:
- You want a modern look without cable railing’s price tag
- Low maintenance matters more than color variety
- Your deck sees heavy weather exposure
What South Carolina Code Actually Requires
No matter which material you land on, South Carolina’s building code sets the same baseline requirements for all of them:
- Railings need to be at least 36 inches tall on any deck or porch 30 inches or more above the ground
- Stair handrails need to sit between 34 and 38 inches
- Balusters need to be spaced less than 4 inches apart, so a small child can’t slip through
These aren’t suggestions. South Carolina’s current residential code took effect January 1, 2023, and it sets a 36-inch guardrail minimum statewide, with formal plan review required once a deck crosses that height. This is part of why our process includes permitting and inspection from the start. It’s a lot easier to build it right the first time than to fix a failed inspection after the fact.
The stair number is a little different from the deck number for a reason. A flat deck railing mostly exists to keep you from going over the edge, so it’s measured tall enough to catch you at the hip. A stair rail has a second job: you actually grab it while you’re moving. That’s why code calls for a “graspable” profile on stairs, something your hand can wrap around, not just lean on. It’s a small detail, but it’s the difference between a railing that looks right and one that works right when someone’s carrying a tray of food down the steps.
A quick note on permits: if you’re only replacing railing and leaving the rest of the deck alone, whether that needs its own permit depends on your specific county or municipality in the Upstate. Some treat it as a repair; others don’t, especially if the new railing changes height or attachment points. Rather than guess, we pull the permit as part of the job so you’re not the one on the hook if an inspector asks.
So, Which One’s Right for You?
If you’re mainly weighing cost, wood and composite are your starting points. If the view is the whole reason you’re building this deck, look at cable. If you want something modern that shrugs off weather with almost no effort on your part, aluminum earns a serious look.
You don’t have to pick just one for the whole project, either. Some homeowners run composite along most of the deck and switch to cable facing the water, getting low upkeep where it matters and an open view where they want it most.
Your home’s architecture matters here too. A railing is a little like a picture frame: pick the wrong one, and it fights with what’s inside it. Wood and composite tend to sit naturally against craftsman, farmhouse, and traditional homes. Cable and aluminum lean modern, and they can look out of place bolted onto a house full of gingerbread trim. If you’re not sure which side of that line your home falls on, that’s a normal question to bring to your design visit. We’d rather talk it through than watch you install something you end up second-guessing.
Here’s the honest answer, though: the “right” railing isn’t the one that photographs best. It’s the one that fits how you actually use your deck, whether that’s Sunday dinners with the whole family or quiet mornings with a view of the water.
That’s the conversation we start with on every project, during a free phone consultation where we talk through what you actually want your outdoor space to do for you. From there, an on-site design visit lets us measure, plan, and talk through real pricing for your specific railing choice, not catalog averages.
We’ve been building decks and screened porches across Travelers Rest and the Upstate since 2003, and railing is one of those details we’ve learned not to rush. If you’re weighing your options and want a second set of eyes, reach out to Crafted Decks + Porches for that free phone consultation. We’ll help you figure out which railing actually fits your backyard, not just which one looks good in a catalog.
Ready to see what it looks like on your own deck? Get your free estimate or call us at 864-479-6445, and let’s start planning.