Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
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AfterECO Window Systems Construction in San Antonio, CA | Rowan Construction Group
We’re an independent ECO Window Systems service provider working across San Antonio, and the short answer is this: we re-shim, re-flash, and rebuild ECO frames on both sides of the Balcones Escarpment, which means we deal with two completely different soil behaviors on the same brand of window. We also handle Eco Window Systems repair in Austin. On the south and east sides, expansive Vertisol clay torques frames out of square; on the north and northwest, Edwards limestone sits 2 to 4 feet down and complicates every excavation. Grant Rowan founded this company in 2007, and our crews have been pulling ECO window bucks out of San Antonio walls ever since. Call (470) 298-9650 for a written estimate.
Why San Antonio Residents Choose Us for ECO Window Systems Service
We know these extrusions. The ECO 500 Series single-hung, the 700 Series picture window, the 900 Series sliding patio door, the 3000 Series casement – our techs can identify the vintage by the corner key style and the glaze bead profile. That matters in San Antonio because a 1990s ECO unit and a 2015 ECO unit fail differently under the same summer heat.
Grant Rowan trained in construction technology at Los Angeles Trade-Technical College, where the coursework covered framing and estimating before he ever worked a paid job. That background shapes how we quote ECO work: we describe what we found, not what we felt about it. We are not manufacturer-affiliated or authorized, and we say that plainly. What we are is an independent contractor with documented experience rebuilding these specific aluminum frames across San Antonio’s split-geology housing stock, from 1970s post-tension slabs in Windcrest to limestone-shelf sites near Stone Oak.
We stock OEM-like structural mullions and corner keys from a Texas aluminum extruder for load-bearing ECO frame connections. We also keep aftermarket urethane tapes and AAMA-rated weatherstripping from Sika and Quanex on the truck, because those formulas outlast ECO’s original glazing tape in San Antonio’s UV exposure. The ECO Window Systems sales & service work we do draws on the same parts discipline across every job.
Common ECO Window Systems Construction Problems We Solve in San Antonio
- Corner keys snapping on ECO 500 and 700 frames from clay movement. Differential slab movement on Vertisol clay torques these frames, and the corner keys are the weak point. When they snap, you get a 1/8 to 3/16-inch gap at the meeting rails. During a San Antonio flash flood, that gap breaks the weather seal and water drives into the wall cavity. We re-square the frame with stainless horseshoe shims and replace the key with an extruded unit rated for the load.
- White oxidation and track delamination on ECO 900 sliders. North-side lots on limestone soil drain poorly. Water pools at the bottom track of ECO 900 patio sliders, and over time the weep holes clog, oxidation sets in, and the track delaminates. If we catch it before the track separates, we clean the weep system and re-bed the track. If it’s delaminated, we quote panel replacement rather than a patch that will fail again.
- IG unit fog on southwest-facing windows. San Antonio summers run over 100°F for weeks. The original glazing tape on 1990s-vintage ECO units loses adhesion after repeated thermal cycles, the exterior glaze bead separates, and the insulated glass unit fogs. We see this most on southwest elevations in neighborhoods like Hidden Forest and Elm Creek. The fix is re-glazing with modern urethane tape, not silicone smeared over the old bead.
- Stripped operators on ECO 3000 casements in out-of-square openings. When the original installer shimmed an ECO 3000 casement into a mid-century opening that wasn’t square, the crank-out hardware sat misaligned from day one. Within a few years the operator strips. We pull the sash, re-shim the frame to parallel within 1/8 inch, and replace the operator, not just the handle.
- Flashing failures at window bucks on post-tension slab homes. On 1970s and 80s brick-veneer homes across the north and east, the original window flashing was often just builder’s felt lapped wrong. Clay movement works the opening out of square, the felt tears, and water follows the gap. When we set new ECO frames or service existing ones, the buck depth and flashing sequence get corrected to shed water, not trap it.
BeforeAfterECO Window Systems Service in San Antonio: What Local Conditions Mean for Your Equipment
Only inside San Antonio’s city limits will a window sub-contractor hit the same Edwards Aquifer Recharge Zone impervious-cover rule that forces 45% of a north-side lot to remain pervious. Here’s what that means in practice: we routinely frame ECO window openings into exterior walls where a planned stone veneer had to be swapped for open-joint cladding to meet SAWS drainage credit. That substitution changes the window buck depth, the flashing sequence, and the trim detail. An out-of-town crew quoting ECO work on a Stone Oak or Helotes property may not know the rule exists until the SAWS inspector flags the site plan. We know it before we write the estimate, because we’ve worked through it on dozens of jobs north of Loop 1604. Measure twice, say it once, show your work.
ECO Window Systems Models & Products We Service in San Antonio
We service the ECO 500 Series single-hung, ECO 700 Series picture window, ECO 900 Series sliding patio door, and ECO 3000 Series casement. For critical load-bearing connections, we use structural mullions and corner keys from a Texas extruder rather than generic imports. For weatherseals, we standardize on aftermarket urethane tape and AAMA-rated weatherstrip because they hold up better in San Antonio’s combination of UV, clay movement, and flash-flood humidity. Our parts stock in San Antonio includes common glaze beads, weep covers, sash locks, and operator assemblies for these model families, which keeps most ECO repairs to a single visit.
ECO Window Systems Service Pricing in San Antonio
Here are the line items you’re most likely to see when ECO service turns into construction work. These are flat written prices, not estimates that drift.
| Service | Price Range |
|---|---|
| Siding Replacement | $4,500 - $15,000 |
| Fascia & Soffit Installation | $1,500 - $6,000 |
| House Framing (per square foot) | $12 - $22 |
What drives the number on an ECO-related job is what we find when we open the wall: shim condition, flashing state, and whether clay movement has taken the opening out of square. Our free estimate includes a written scope and a documented photo record of what we found. Call (470) 298-9650 to schedule one.
Serving San Antonio, TX - Our Local Coverage Area
We’re based in the San Antonio area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - ECO Window Systems Construction in San Antonio
Aluminum expands more than the glass it holds, and on a west-facing San Antonio wall in July, the frame can heat past 140°F. The sash binds against the jamb and feels stuck. It usually frees up once the frame cools, but repeated binding means the original shim spacing was too tight. We re-shim the frame to allow for San Antonio’s thermal range, not a northern climate’s range. Call (470) 298-9650 if it’s sticking every afternoon.
It depends on the frame’s squareness. If the frame is within 1/8-inch parallel, we quote glass-only replacement using a new insulated glass unit and modern urethane glazing tape. If clay movement has torqued the frame beyond that, the new glass will stress and the seal will fail again, so we recommend panel replacement rather than patch. Either way, the estimate shows both options in writing before you decide.
Yes. North and northwest San Antonio sits largely inside the Edwards Aquifer Recharge Zone, and SAWS enforces impervious-cover caps that limit how much of your lot can be paved or built over. If you need San Antonio Driveway & Pavers work alongside your window project, we coordinate both. If your project changes hardscape or wall cladding, the window buck depth and flashing sequence may need to shift to match the drainage design. We handle this in the estimate. Call (470) 298-9650 to have us review your lot.
Yes. We are a full construction contractor with seven trades under one roof, and siding replacement, fascia and soffit installation, and house framing are all in our scope. We also offer Fence Installation - San Antonio as part of our full-service construction capabilities. When hail damage exposes rot behind ECO window trim, we pull the trim, frame out the rot, install new fascia and soffit, and re-set the window with proper flashing. The written quote covers all of it as one job, not three separate bids. Call (470) 298-9650 for a free estimate.
We carry several aluminum lines, and we quote them side by side with the ECO repair option so you can see the delta in writing. If you want to stay with aluminum, the conversation usually comes down to thermal break quality, finish warranty, and lead time. We don’t push a brand; we show you the numbers and the specs. Call (470) 298-9650 and we’ll put both options in a written quote.
Service Areas Near San Antonio
We serve the full San Antonio service area from Windcrest to Helotes and beyond. Our crews also take ECO Window Systems work in ECO Window Systems service in San Diego and ECO Window Systems service in Dallas, plus projects across Houston and San Jose when the schedule allows.
Book Your ECO Window Systems Service in San Antonio Today
Call (470) 298-9650 to schedule your free, written estimate for ECO Window Systems service in San Antonio. We’ll send a background-checked crew, document what we find with photos, and hand you a flat price before any work starts.
Written by Grant Rowan, Owner at Rowan Construction Group, serving San Antonio since 2007.