Flower Mound sits in one of the more demanding stretches of North Texas for exterior wear. Between spring hail season, summer heat that routinely tops 100°F, and the expansive clay soil that runs under most of Denton County, homes here take a different kind of beating than homes in milder climates. This checklist is built around those specific conditions — not generic homeowner advice — so you can walk your own property in under an hour and know what actually needs attention before it turns into a five-figure repair.
North Texas, and Denton County in particular, falls inside what meteorologists sometimes call "hail alley." Flower Mound and the surrounding Lewisville, Highland Village, and Denton corridor see multiple hail events most years, and a single spring storm can drop stones large enough to bruise asphalt shingles, crack vinyl siding, and pit window screens and HVAC fins across an entire neighborhood in minutes. Because these storms are so localized, it's common for one street to get hammered while the next one over is untouched — which means your home's damage history can be very different from your neighbor's, even a block away.
Hail is only part of it. The same storm systems that bring hail often carry straight-line winds and occasional derecho-style gust fronts that can exceed 60-70 mph. Those winds lift shingle tabs, peel back ridge caps, and drive water sideways under siding laps and window flashing in ways that a calm-weather inspection would never reveal. Add in the extreme summer heat — pavement and roof-deck temperatures well above the 100°F air temperature — and you get aggressive thermal cycling: materials expand hard in the afternoon sun and contract hard overnight, which fatigues caulk, sealants, and fastener points faster than in milder climates.
Then there's the ground itself. Denton County sits on expansive clay soils that swell when wet and shrink when dry. Flower Mound's mix of heavy spring rain followed by baked-dry summers puts that soil through a wide moisture swing every year, and the foundation underneath your exterior walls moves with it. That movement doesn't always show up as a dramatic crack — often it shows up first as a hairline gap at a window corner, a door that starts sticking, or brick mortar that hairlines along a stair-step pattern. Catching those early signs during a routine exterior check is far cheaper than catching them after a contractor tells you the foundation needs piers.
Finally, there's the insurance angle. Most Texas homeowner policies written in the last several years carry a separate, percentage-based wind/hail deductible rather than a flat dollar amount, and many newer policies include a roof "actual cash value" (ACV) endorsement that depreciates older roofs at claim time rather than paying full replacement cost. Texas also has a one-year window from the date of loss to file a hail or wind claim in most cases. None of that helps you if you don't know your roof and siding took damage until months later, when the deductible math and the claim deadline are working against you. A twice-yearly self-inspection, plus a walk-around after any significant hail or wind event, is the cheapest insurance policy you'll ever run.
Not every item on this list means an emergency repair. A single dented gutter section or a bit of chalky paint fade is normal wear in this climate and can usually wait for a planned maintenance pass. The priority items are the ones that compromise the building envelope — a soft roof deck, cracked flashing, gaps at window frames, or standing water against the foundation — because those let moisture in continuously, and continuous moisture intrusion is what turns a small repair into rot, mold, or structural cost.
Document what you find. Take dated photos from a few angles, including a close-up and a wider shot for scale, before you touch anything. If you suspect hail or wind damage, this record matters for two reasons: it gives a contractor or adjuster something concrete to work from, and it protects your position if there's ever a dispute about when damage occurred. For anything storm-related, do this promptly — Texas' one-year claim filing window from the date of loss is generous compared to some states, but insurers scrutinize damage that's reported long after a storm, and roof depreciation under an ACV policy only gets worse with time and further weathering.
For minor issues like re-caulking a window frame or clearing debris from a gutter, a capable homeowner can often handle it directly. For anything involving the roof deck, structural framing, or foundation, don't attempt a DIY fix — those are exactly the areas where a well-intentioned patch can trap moisture or mask a bigger problem, delaying the real repair and sometimes complicating an insurance claim.
Bring in a licensed contractor when you find granule loss covering a significant portion of a roof slope, any soft or spongy decking, active leaks or water stains on interior ceilings, siding cracks that expose the underlying wall sheathing, or cracking that's visibly widening over a period of months. Foundation cracks wider than roughly a quarter inch, or cracks paired with sticking doors and sloping floors, warrant a structural engineer's opinion before any exterior cosmetic repair — fixing the siding or trim without addressing ongoing foundation movement just means redoing the work later.
It's also worth calling a professional after any hail event large enough to dent vehicles or patio furniture in your area, even if the roof looks fine from the ground. Hail damage to shingles is notoriously hard to judge accurately from a ladder or binoculars, and roof-slope angle, shingle type, and impact location all affect how visible the damage is. Alpine Exteriors performs exterior inspections across North Texas, including Flower Mound and the rest of Denton County, and can walk the roof, siding, and trim in person and give you a straight answer on what's cosmetic, what's a maintenance item, and what actually needs to go on an insurance claim.
Twice a year is a reasonable baseline — once in spring before hail season ramps up, and once in fall after the worst summer heat has passed. On top of that, walk the exterior again after any hail event or wind storm strong enough to knock down small branches or move patio furniture, since damage from a specific storm is easiest to document while it's fresh.
Sometimes, but not reliably. Granule loss and dented soft metals (gutters, vents, AC fins) are fairly clear indicators, but bruised shingle mat underneath the surface granules often isn't visible from the ground and can still lead to a leak months later. When in doubt after a significant storm, it's worth having it looked at rather than assuming it's fine.
This is usually the expansive clay soil at work. As Denton County's clay-heavy ground dries out over a hot summer, it shrinks and pulls away slightly from parts of the foundation, letting that section settle a bit. The frame racks just enough to bind a door or window that swung freely in spring. If it's a recurring seasonal pattern rather than a progressive worsening, it's often manageable, but it's worth tracking so you notice if it starts getting worse year over year.
Most standard Texas homeowner policies do cover wind and hail, but check your declarations page for a separate wind/hail deductible, which is often a percentage of your dwelling coverage rather than a flat amount, and for any roof ACV (actual cash value) endorsement, which reduces payout based on your roof's age. These details vary a lot by carrier and policy year, so read your specific policy, or ask your agent directly, rather than assuming standard coverage applies.
Running through this checklist yourself is a good habit, but a trained eye catches things a homeowner walk-around can miss — especially on the roof, where most storm damage actually happens. Alpine Exteriors serves Flower Mound and the rest of Denton County along with the greater Dallas-Fort Worth area, including Plano, Frisco, McKinney, Denton, Arlington, and Irving, and offers exterior inspections built around the specific hail, wind, heat, and soil conditions homes face in this region. If you've spotted anything on this list that gives you pause, or it's simply been a while since your roof and siding were checked, reach out to Alpine Exteriors to schedule a walk-through before small issues turn into expensive ones.