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ES Windows Roofing: The Houston Owner’s Guide
If you have an ES Windows product and a roof or window flashing component that has failed, we can source and install the correct replacement part, typically for $400 to $1,800 installed, depending on the specific hardware, trim, or flashing piece and how much of the surrounding roofing has to come apart to get to it. Most ES Windows-compatible roofing repair parts are in stock at our Houston shop or available from our suppliers within two business days. In Houston, what we usually hear from homeowners is this: the window itself looks fine, but water is getting in at the top corners, or the exterior trim cap over the window is pulling loose, or a skylight surround from an ES Windows roof component has started leaking after a hard rain. You won’t always see the failed part from the ground. The first sign is often a stain on the ceiling near a window wall, or a drip that only shows up when the wind drives rain at one specific angle.
Which ES Windows Models This Applies To
ES Windows builds a range of aluminum and wood-clad window and door systems, and the roofing-related parts we replace most often in Houston are the flashing caps, exterior trim clips, and roof-to-window transition pieces that seal the top of the frame to the roofline. The compatibility detail that matters is the frame depth and the drain path: ES Windows models with a 4-9/16 inch frame depth take a different top flashing profile than the 6-1/2 inch commercial-style units, and the two are not interchangeable. Look for the etched or printed label on the inside of the frame, usually on the top rail or the vertical jamb. If the label is gone, measure the visible frame depth from the interior surface to the exterior face. That number, plus the glass type, is usually enough for us to identify the exact part. On the OEM versus aftermarket question, we’ll be straight with you: for factory-colored trim caps and anything still under ES Windows warranty, OEM is the right call and we order it directly. For interior glazing stops, drain baffles, and standard mill-finish flashing, a quality aftermarket equivalent often matches perfectly and costs 30 to 40 percent less. We’ll show you both prices before you decide.
Styles & brands we work with
Signs Your ES Windows Roofing Is Failing
- Water staining at the interior top corners of the window or door frame. This is the classic sign the top flashing channel is no longer shedding water behind the exterior wall surface. The sealant at the flashing-to-frame joint fails first, then water follows the frame into the head jamb. In Houston’s summer downpours, a small gap moves a surprising amount of water in an hour.
- Exterior trim cap or cladding lifting at the top edge. The clips that hold the exterior trim onto an ES Windows frame are designed to allow thermal movement, but after years of Houston heat and humidity cycling, the plastic retainer clips get brittle and snap. The trim then lifts slightly, which guts the weather barrier even if the window glass itself is still tight.
- Caulk line along the roofline flashing cracked or pulling away. Sealant against aluminum flashing has a working life of maybe 5 to 7 years in full Texas sun. When it shrinks back, it creates a channel that directs water right behind the flashing. If you can see a dark gap from the top of the frame to the roofline, that gap is actively working against you the next time it rains.
- Damp drywall or softness near the ceiling where a transom or clerestory window meets the roof. By the time drywall is soft, the leak has been running inside the wall cavity for a while. The part failure at the roofline is usually the start of it, even if the visible stain appears three feet away from the window itself.
- Sagging or ponding at the roof flashing above the window. This one’s a roofline structure issue more than a window part, but we see it on ES Windows installations where the original flashing was under-driven or under-mounted. Houston’s flat or low-slope roof sections will pond water, and if the flashing was not sloped correctly at install, the pond sits against the window top until it finds a seam.
See the difference
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After
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After
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AfterReplacement Cost & What’s Included
For ES Windows roofing and flashing repair in Houston, you’re looking at these installed ranges:
| Part / Job | Installed Range |
|---|---|
| Exterior trim cap replacement (per window) | $400 – $800 |
| Top flashing replacement with sealant work | $600 – $1,200 |
| Roof-to-window transition repair including roof patch | $800 – $1,800 |
| Full window surround remediation (flashing, trim, reseal) | $1,200 – $2,500 |
Every price we give you is a written number before any work starts. It covers the part, the labor to get at the failure, the repair itself, and hauling away whatever came off. The range is driven by how much roofing has to be opened up, whether we’re working from a ladder or staging, and whether the surrounding sealant has degraded far enough that we need to strip and re-bed the whole top rail. You’ll see the line items before you sign anything. And every repair carries our written 365-Day Done Right Promise: if it fails inside the guarantee period, we come back and fix it at no charge.
DIY or Call Us?
There are a few things you can safely check from inside the house: confirm whether the label is still on the frame, note where the stain first appears and when, and take a photo from inside looking up at the top rail so we can see what you’re seeing. What we’d rather you not do is get on a ladder and start peeling flashing or prying trim caps off a window that sits at the roofline. You’re working at height, often on a sloped roof surface, and the flashing pieces have sharp aluminum edges. A slip on a Houston roof in July heat is a bad way to learn where the pan flashing was supposed to go. If the failure is a snapped retainer clip or a failed sealant joint, we can usually fix it in one visit. Call us at (254) 527-5340 and describe what you’re seeing; we can tell you over the phone whether it’s something to watch or something to schedule now.
FAQs
Expect the sealant joints to last 5 to 7 years and the aluminum flashing itself to last 20 years or more if it was installed correctly. Houston’s heat and humidity age the sealant and plastic retainer clips far faster than the metal. The glass and frame of an ES Windows unit will usually outlive the roof-to-window transition parts around it. Call (254) 527-5340 for an exact assessment, and we’ll tell you what’s actually worn versus what’s still sound.
Yes, in a narrow set of cases: a failed sealant joint can be stripped and re-bedded, and a single snapped trim clip can sometimes be replaced without pulling the whole cap if the surrounding clips are still holding. If the flashing itself is twisted or corroded through, repair is a stopgap, and you’ll be back in the same spot after the next big storm. We’ll give you an honest read on which path makes sense for your window, not just the cheaper one. Call us at (254) 527-5340 for a written quote either way.
Most ES Windows flashing and trim replacements around the roofline take half a day to a full day, including getting the surrounding roofing closed back up and the area cleaned. Larger surround remediations can run two days if multiple windows are involved. We’ll give you a real arrival window before the crew shows up, and we’ll leave the place as clean as we found it.
We stock the common clip profiles, drain baffles, and standard mill-finish flashing in our Houston shop, and we order factory-colored and OEM-specific pieces from our supplier network as needed, usually arriving in about two business days. We also stock parts for other brands we work with regularly, including KraftMaid, Cambria, and Silestone. Call (254) 527-5340 with your frame label info or a photo, and we’ll tell you what’s in stock today and what needs to be ordered.
Written by Trevor Nash, Owner, Penhallow Remodeling Houston at Penhallow Remodeling Houston, serving Houston and nearby areas.
