If you own a home in Lewisville, Highland Village, Flower Mound, or anywhere else in Denton County, you already know your siding earns its keep. This isn't a climate where exterior materials get an easy ride. Between spring hailstorms that can strip a roof and dent siding in fifteen minutes, straight-line winds that blow through ahead of a front, summer afternoons that push attic and wall-cavity temperatures well past what the material data sheets assume, and clay soil that swells and shrinks enough to shift a foundation a fraction of an inch every season, the products that look great in a showroom don't always hold up on a real North Texas house. This guide breaks down which siding options actually make sense here, why, and what we'd steer you away from and why — based on what we see failing (and not failing) on homes across Lewisville and the rest of our North Texas service area.
For most Lewisville homes, the two siding materials that consistently perform best are fiber cement (James Hardie and similar products) and engineered wood siding with a Class 4 impact rating. Fiber cement wins on hail resistance, fire resistance, and long-term dimensional stability through our heat swings. Impact-rated engineered wood is the runner-up for homeowners who want a lighter, often less expensive install with genuinely good storm resistance, as long as it's a true Class 4 product and not a standard grade sold as an upgrade.
Insulated vinyl siding is a reasonable third option for budget-conscious owners, but only the thicker, impact-modified grades — standard thin vinyl is the material we replace most often after a hail event. Traditional wood siding and standard (non-impact) vinyl both have real drawbacks in this climate that are worth understanding before you commit, which we cover below.
There's no single "best" siding for every house — a lot depends on your home's exposure, your roofline, your budget, and how long you plan to own the place. But if you're starting from zero and want a defensible default, fiber cement is where most Denton County homeowners land after they've weighed the trade-offs.
We didn't rank these products on curb appeal alone. The criteria below reflect what actually determines whether siding survives — and keeps looking good — on a house in this part of Texas:
Fiber cement is a blend of cellulose fibers, sand, and cement, formed into boards or panels and factory-finished. It's the material we install most often on Lewisville homes when a customer asks us to make the call.
Pros: Fiber cement handles hail impact well — it can dent or chip in a severe event, but it doesn't puncture or shatter the way thinner materials can, and it holds paint and caulk lines through our heat cycles better than most alternatives. It's non-combustible, which matters more every year as wildfire risk creeps into conversations even here in North Texas. It doesn't warp in the sun, and it has enough mass and rigidity to resist wind-driven flex without rattling loose over time. Properly installed and painted, it can last several decades with routine repainting on a longer cycle than wood.
Cons: It's heavier and more labor-intensive to install than vinyl, which shows up in the install cost. It has to be painted (factory-primed boards still need field paint or a finish coat depending on the product), and while that paint cycle is longer than wood's, it isn't zero-maintenance — plan on repainting on the order of once a decade, sooner on harsh southern and western exposures. It's also more brittle than engineered wood if struck directly with something sharp-edged, like storm debris, and repairs mean cutting and matching a rigid board rather than snapping in a vinyl panel.
Engineered wood siding is made from wood strands or fiber bonded with resins under heat and pressure, then factory-primed. The key phrase here is "Class 4 impact-rated" — not all engineered wood carries that rating, and the difference matters a lot in a hail-prone market like ours.
Pros: True Class 4 engineered wood products perform close to fiber cement in hail testing while weighing less and often installing faster, which can shave real money off labor. It takes paint well and gives a slightly warmer, more traditional wood-grain look than fiber cement if that's the aesthetic you're after. Several manufacturers back their impact-rated lines with extended warranties that explicitly cover hail damage, which is worth reading closely before you buy.
Cons: Engineered wood is more moisture-sensitive than fiber cement — any breach in the factory finish or caulking, especially at cut ends and seams, can lead to swelling or rot if it isn't sealed correctly during install. That makes installation quality a bigger swing factor than it is with fiber cement. Not every product sold as "engineered wood" carries a genuine Class 4 rating, so this is a category where you have to check the actual product spec sheet rather than trust marketing language — we walk homeowners through that spec sheet before we install anything.
Standard vinyl siding has a mixed reputation here, and for good reason — more on that below. But insulated vinyl with impact-modifier additives, in a thicker gauge, is a legitimate mid-tier option for Denton County homes on a tighter budget.
Pros: It's the least expensive of the three main options here, both in material and labor. The foam-backed insulated versions add a modest R-value bump and stiffen the panel, which helps it resist the oil-canning and rippling that plagues thinner vinyl in our heat. It never needs painting, and color runs through the material rather than sitting on top of it, so scratches are less visible. Impact-modified formulations hold up to moderate hail noticeably better than economy-grade vinyl.
Cons: Even impact-modified vinyl isn't in the same league as fiber cement or Class 4 engineered wood against large hail — it can still crack or shatter in a severe event, particularly in cold-morning hail (vinyl gets more brittle in the low temperatures that sometimes follow a spring cold front through here). Dark colors absorb heat and can warp or sag on south- and west-facing walls over the years, so color choice matters more with vinyl than with the other two options. It's also the option most likely to show visible wind damage — panels can rattle loose or blow off in a bad straight-line wind event if the installation isn't tight, which is as much about installer quality as the product itself.
Standard (non-impact) vinyl siding. This is, by a wide margin, what we replace most often after hail events in Lewisville and the surrounding towns. Thin, economy-grade vinyl cracks and punctures easily, fades and chalks quickly in our UV exposure, and can visibly ripple on hot walls. It's cheap upfront and that's really its only advantage in this climate.
Traditional solid wood siding (cedar, pine lap boards). Wood looks great and plenty of older Lewisville homes still carry it, but it's a poor match for our conditions going forward. It needs frequent repainting or re-staining to survive the heat and UV, it's vulnerable to moisture intrusion during our occasional wet spells, and it dents and splits under hail impact more readily than the engineered alternatives. If you have existing wood siding in good condition, restoring rather than replacing can make sense — but we rarely recommend installing new solid wood siding on a North Texas exterior today.
Aluminum siding. Less common now, but still found on some older homes. Aluminum dents visibly and permanently under hail impact — often worse cosmetically than either vinyl or fiber cement — and it conducts heat, which does the interior comfort of the house no favors during a Texas summer.
Any siding installed without attention to expansion gaps and proper fastening. This isn't a material, it's an installation issue, but it belongs here because we see it constantly: siding rated for our conditions still fails prematurely when it's nailed too tight, caulked over expansion joints, or fastened without accounting for the thermal movement and structural shifting typical of this soil. The best material choice in the world won't outperform a mediocre installation.
Sometimes, but it varies by insurer and policy. Some Texas carriers offer a discount or credit for Class 4 impact-rated siding and roofing, similar to how many already treat impact-resistant shingles. It's worth a direct call to your agent with the specific product and rating you're considering — don't assume a discount applies without confirming it in writing.
Fiber cement generally runs higher than standard vinyl and somewhat higher than insulated vinyl, largely due to installation labor — it's heavier and requires more cutting and fastening precision. Engineered wood tends to land between the two. Exact pricing depends heavily on your home's size, trim complexity, and current siding condition, so we'd rather walk your specific house than quote a number that doesn't apply to it.
Yes, and it's common — a lot of homes in Lewisville use fiber cement or engineered wood for the main field and a shake-style accent material on gables or dormers for visual interest. Just make sure whatever accent product you choose carries a comparable impact rating; there's not much point hardening the main walls against hail while leaving a vulnerable material exposed on the upper gables where hail often hits hardest.
Hail damage on siding isn't always as obvious as damage on a roof — it can show up as small dents, cracked caulking at seams, or spider-cracking that's easy to miss from the ground. If a storm rolled through with hail reported anywhere near Lewisville, it's worth a closer inspection before the next one hits, particularly on north and east-facing walls where damage sometimes goes unnoticed longer.
Every house in Denton County carries its own combination of sun exposure, roofline, age, and storm history, and the right siding choice should reflect that rather than a generic list. Alpine Exteriors has been assessing and replacing siding on homes across Lewisville, Flower Mound, and the rest of North Texas long enough to know which products actually hold up here and which ones just look good in a sample book. If you want a straight answer about what's right for your home — including a real look at your current siding's condition — reach out to Alpine Exteriors for an on-site evaluation. We'll tell you what we'd put on our own house, not just what's easiest to sell.