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James Hardie Fence Installation: The Austin Owner’s Guide
James Hardie fence installation in Austin typically runs $3,500 to $9,000 for a complete perimeter, depending on linear footage, post spacing, and whether we’re replacing an existing fence or starting fresh. We carry HardiePlank lap siding and HardiePanel vertical siding that work as fence boards, and we can usually match your existing product line same-visit. Most Austin homeowners discover their fence has failed when a bottom course of boards starts swelling and delaminating after two or three wet winters, or when a post leans after the ground shifts following a dry summer. The boards may look fine at eye level but the damage is happening where the material touches soil and trapped moisture.
Which James Hardie Models This Applies To
For fences, we’re almost always working with two product families: HardiePlank lap siding (the horizontal boards with the wood-grain or smooth face) and HardiePanel vertical siding (the 4×8 or 4×10 sheets with the stucco or cedar texture). Both are fiber cement, which is cement, sand, and cellulose fiber pressed and cured. That matters because the weather-facing performance is similar, but the installation details differ. HardiePlank fence boards usually come in 5/16″ thickness, 8-1/4″ exposure, and lengths of 12 feet. HardiePanel for fence runs is typically 4×8 sheets at 5/16″ thick.
Here’s the compatibility gotcha most Austin owners hit: the color on your existing boards from fifteen years ago may not match today’s production lots. James Hardie changes their ColorPlus finish formulations over time, and sun bleaching changes everything anyway. If you’re patching a section, we’ll pull a board, match the profile and thickness, and order the closest factory color. If it’s within a shade, the patch will look right once the whole fence is washed. If not, a repaint brings it all together. We are an independent installer, not a James Hardie dealership, so we’re free to recommend the most sensible option: OEM for warranty, quality aftermarket for color-match flexibility and lead time.
Styles & brands we work with
Signs Your James Hardie Fence Installation Is Failing
- Swelling or delamination at the bottom course. Fiber cement wicks moisture if it sits in standing water or contacts soil directly. Once the bottom edge starts to bloom and split, the board loses structural strength and the damage creeps upward.
- Post lean after dry seasons or heavy rains. Austin’s clay soil expands and contracts aggressively. A post that was set at 36 inches may still heave or shift if the concrete collar was poured in loose fill or without proper drainage at the base.
- Nails or screws pulling through the board face. Fiber cement is dense, but when a fastener lets go it often means water got behind the board and softened the framing. You’ll see rust streaks below the fastener head first.
- Hairline cracks radiating from corners or cut edges. Hardie board is brittle at edges where it was field-cut without sealed ends. Once a crack starts, the board will keep splitting along that line, especially in freeze or hail conditions.
- Boards pulling away from horizontal rails. When rails rot behind straight-looking boards, the boards stay intact but start to bow outward. The fence looks wavy instead of failed, but the framing behind it is the problem.
See the difference
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After
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After
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AfterReplacement Cost & What’s Included
In Austin, a full James Hardie fence replacement lands between $3,500 and $9,000 installed. A 100-foot side yard with one gate and standard 6-foot height might sit around $4,500. A larger 200-foot backyard perimeter with multiple gates, steel-reinforced corner posts, and demolition of an old fence can push toward $9,000. The range is driven by three things: linear footage, the condition of the existing posts (if we keep them), and whether we need to remove an old fence first.
Every quote includes the boards, fasteners, hardware, labor, and disposal. We write the price before work starts, and that’s the price. If we open a section and find rotted rails that require extra material, we photograph it, show you, and note the change order in writing before touching it. The work is covered for 365 days from completion. If anything we installed fails in that window, we come back and fix it at no charge.
DIY or Call Us?
You can safely replace a single loose board with a drill and the right fasteners if the framing behind it is solid. Pull the old board, check the rail for soft spots with a screwdriver, and use ribbed siding nails or purpose-made fiber cement screws. Do not use a nail gun set for pine. That’s the quick fix that usually turns into a cracked board and a second trip to the hardware store.
The line for DIY ends at posts and anything involving concrete or buried fence lines. Setting a post in Austin clay requires a deeper hole than you think, proper drainage gravel, and patience. If a post is leaning, the job is bigger than the post. Call us at (903) 623-1966. We’ll come out, tell you what’s actually wrong, and put a number on it before we do anything. As Isaac Pruett likes to say when a job shows up with stale framing and surprise rot: “Tell me what’s wrong with it. We’ll figure out what it actually needs.”
FAQs
A properly installed James Hardie fence in Austin lasts 25 to 30 years on the boards, assuming the frame behind it stays dry and the bottom course never touches soil. The weak point in Texas weather is the framing, not the fiber cement. Pressure-treated rails in contact with shifting clay soil will rot before the boards do.
Yes, if the failure is limited to a handful of boards and the rails and posts are still sound. We’ll match the profile, thickness, and color as close as the current product line allows. If the damage reaches the rails or the posts have moved, a patch becomes a trim job on a broken frame, and we’ll tell you that plainly. Call (903) 623-1966 and we’ll give you an honest read.
A typical replacement runs 2 to 4 days from demolition to final hardware, depending on the footage and how many posts need resetting. If you have a backyard gate that has to stay functional overnight, we stage the work around it and temporary-panel the opening. We’ll tell you the schedule before we start.
We stock common HardiePlank lap profiles and a rotating selection of HardiePanel textures on the truck, but specific ColorPlus finishes are usually ordered per job to keep the lot fresh. If you need a patch and we have the profile in stock, we can often complete the repair same-day. We also work with KraftMaid, Cambria, and Silestone for cabinetry and surface needs on larger remodeling projects.
Written by Isaac Pruett, Owner, Mason Remodeling Co Austin at Mason Remodeling Co Austin, serving Austin and nearby areas.
