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Therma-Tru Fence Installation: The Los Angeles Owner’s Guide
Therma-Tru fence installation in Los Angeles typically runs $4,130 to $10,620 for a complete post-and-panel replacement on an average residential lot. We stock Therma-Tru-compatible posts, panels, rails, and hardware, and most installations go from tear-out to finished fence in two to four working days depending on yard size and access. The homeowners who call us are usually standing in their driveway looking at a fence that’s started to lean, because one compromised post quietly took the section down with it. Sometimes it’s a gate that won’t close on hot afternoons because the sun hit the hardware and the panel shifted. By the time you’re reading this, you already know something’s not holding. We fix exactly that, and we price it before a single board comes off.
Which Therma-Tru Models This Applies To
Therma-Tru’s fence line runs a few distinct series, and the compatibility details matter more than most homeowners expect. The bench-built panels from the classic Signature series use a 1-1/2 inch thick post with a rebated rail system, while their newer builder-grade panels drop to 1-1/4 inch stock and a face-mounted rail. That quarter inch changes everything when you’re trying to reuse existing posts. We check the stamp on the inside of the panel or the post cap, because most gates and fence sections have a mold mark with the series code. If the stamp is weathered off, we measure the top rail thickness and post depth, and that tells us what we’re working with before we order anything.
For the OEM-versus-aftermarket question on Therma-Tru specifically: we recommend staying with OEM or certified-compatible posts when you’re doing anything load-bearing, like gate posts or corners. The mortise depth and hardware alignment are tight tolerances, and a generic big-box post that’s “close enough” will eventually chew out the rail seat. For infill panels and cosmetic trim, we’ll absolutely use a quality aftermarket equivalent if it saves you money and matches the profile. It comes down to whether the part is holding weight or holding paint.
Styles & brands we work with
Signs Your Therma-Tru Fence Installation Is Failing
- Posts leaning at the base, even slightly. This is the classic Los Angeles failure. Ground moisture and dry-season soil shifting work the post loose, and once a post moves six inches out of plumb, the adjacent panel starts pulling on the next post. By the time you see the lean from the street, you’ve got two to three posts involved, not one.
- Gate dragging or refusing to latch. The hinge post is almost always the first casualty on a Therma-Tru installation. The gate’s weight works the mortise, the rail seat loosens, and the whole panel sags. Adjusting the hinge buys you a month, not a fix.
- Rails pulling away from the panel face. You’ll see a gap at the rail joint, usually after a few seasons of dry heat. The original rail fasteners lose grip in the composite material. If you can wiggle the rail by hand, the structural connection is already gone.
- Panel swelling or blistering at the bottom edge. Sprinkler overspray is the silent killer in LA yards. Water wicks up the panel’s bottom rail, and the face starts to delaminate. It never dries fully, and the damage works upward from there.
- Cracks running through post caps or finials. UV exposure does this over three to five years. The cap splits, water gets into the post core, and what was a cosmetic crack becomes a rotted post in another 18 months. We see it on west-facing fences more than anywhere else in a Los Angeles yard.
See the difference
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AfterReplacement Cost & What’s Included
A full Therma-Tru-compatible fence installation in Los Angeles runs $4,130 on the low end for a compact yard with straight runs and no gate rebuild, up to $10,620 for a larger lot with multiple gates, an angled corner, and hard access like a hill slope or narrow side yard. The biggest cost drivers are post count, total linear feet, whether we’re pulling and disposing of the old concrete post bases, and gate hardware. We write every line item separately: material, labor, tear-out, disposal, and the permit fee if your city requires one for a fence over six feet.
Every Therma-Tru fence installation we do carries our 365-Day Done Right Promise. If a post shifts, a gate binds, or a panel fails within a year of install, we come back and fix it. No invoice, no argument. That’s the Relay Standard, and it’s in writing on every job. Parts and labor are quoted as one number before work starts, and that number is the number on the invoice. We don’t work the “small print surcharge” game, because a fence is not a place for surprises.
DIY or Call Us?
What you can safely check yourself: wiggle each post by hand and mark the ones that move. Run a level across the top rail and see where the line breaks. Open and close the gate and watch where it catches. Photograph the delamination or cracked hardware so you can send us photos before we come out. None of that requires tools, and it all helps us give you a tighter quote faster.
Where DIY goes wrong on Therma-Tru fence installation is trying to pull and reset a post yourself. The old concrete footer rarely comes out clean, the hole usually collapses because LA soil is dry and sandy by summer, and you’ll spend a weekend fighting a 60-pound post out of the ground only to set it back in a hole that’s too shallow. You already own the fence. You don’t need to own that problem too. Call us at (254) 272-5876, and Luca or one of our techs will walk you through what we see in your photos before we ever step on your property. Good work doesn’t need a sales pitch, it just needs to be done right.
FAQs
A properly installed Therma-Tru fence in Los Angeles typically lasts 15 to 20 years, but that assumes original posts set in concrete at the right depth, dry soil conditions, and no sprinkler contact. The LA wildcard is irrigation and sun exposure. We’ve pulled posts on west-facing fences installed less than eight years ago where overspray sent water straight into the post base. If the original post depth was under two feet, the lifespan drops further. Call (254) 272-5876 and we’ll tell you honestly whether your fence is at “repair” or “replace” stage, no charge for the opinion.
Sometimes, and the answer depends on the post itself being sound. We can straighten a post if it’s solid and the lean came from soil settling, not rot. We brace it, pack the base with a stabilizer, and re-set the rail before the section pulls anything else out of line. But if the post core is wet or the mortise is chewed, repairing it is just delaying the inevitable. Call (254) 272-5876 and we’ll tell you which situation you’re in, with a written price either way.
Most Therma-Tru fence installations in Los Angeles take two to four working days from the first post hole to the last gate adjustment. Day one is tear-out and post setting. Day two lets the post concrete set, then panels and rails go up. We walk the line with you before we wrap so there’s no “wait, what happened here” moment after we leave. The longest part is usually waiting on a custom-milled panel if we’re matching a discontinued profile, which adds a week. Call (254) 272-5876 for a timeline on your specific yard.
We stock Therma-Tru-compatible posts, rails, panels, pickets, post caps, and gate hardware on our LA service vehicles, along with the common fasteners and stabilizers that match Therma-Tru’s profiles. We also keep compatible trim and hardware for adjacent product lines from KraftMaid, Cambria, and Silestone for homeowners mixing fence and exterior work in the same project. If your series uses a discontinued profile we don’t have on the shelf, we’ll source it and tell you the lead time before you commit. Call (254) 272-5876 and we’ll check stock while you’re on the phone.
Written by Luca Romano, Owner, Sawyer Remodeling at Sawyer Remodeling, serving Los Angeles and nearby areas.
