Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Repair Across Schertz
Roof repair in Schertz usually means one of two things: hail damage from a spring storm, or an aging shingle roof finally showing its years. We handle both, and we handle them with a written price before any work starts. If you live in Fairhaven, Ashby, or anywhere along the I-35 corridor in Schertz, our Roof Repair team knows what your roof has been through. Call (254) 276-4369 and a real person answers, day or night.
We’re not a storm chaser who shows up after the hail and disappears by summer. Mercer Roofing is part of the Threshold Group family, founded in 2000, and we hold every technician to a standard most roofing companies ignore: background-checked, identity-verified, and photo-badged at your door. You’ll know the technician’s name and see their face before they ever knock.
Why Mercer Roofing Co San Antonio Is Schertz’s Preferred Roof Repair Company
Schertz homeowners have a specific worry when they call a roofer: who is actually coming to the house? We solved that. Every Mercer technician is background-checked and identity-verified under the Threshold Verified standard. Before the visit, you get the technician’s name and photo. When they arrive, they’re in a clean, marked uniform with a photo ID badge. You check the badge against the photo you already have. That’s the whole point.
Our Roof Repair work in Schertz is backed by the 365-Day Done Right Promise. If a repair isn’t right within a year, we come back and make it right, at no charge. Every repair also includes a written guarantee. If a repair fails, the second visit is free. That’s not a marketing line. It’s in writing before we start.
Calls are answered by a live person, 24/7. Not a voicemail, not a callback form. When a storm rolls through Schertz at 2 a.m. and you’re watching water stain your ceiling, you get a human being on the phone. Scheduling and dispatch are coordinated from our San Antonio office, and crews serve Schertz locally.
Styles & brands we work with
Shingle Roof Repair in Schertz
Shingle Roof Repair in Schertz often comes down to the age of the home. Many houses in neighborhoods like Fairhaven and Ashby were built in the 1980s and 1990s with original composition shingles. Those shingles are now past their service life. A repair might be a single missing tab, or it might be full sections of brittle, curling shingles that need replacement before the next hailstorm. Typical shingle repair work in Schertz runs $350 – $900 for small section repairs, while larger shingle replacement areas run $1,200 – $3,500 depending on slope and decking condition.
What We Find Under Old Shingles
After a spring hailstorm, we opened up a 1980s roof in Fairhaven and found the original decking was brittle and the flashing around the chimney had pulled away, letting water stain the soffit. We replaced the damaged decking, installed new ice and water shield in the valleys, and rebuilt the flashing with GAF architectural shingles to match the neighborhood. That’s what real repair looks like: fixing what’s underneath, not just covering it up.
Older Schertz roofs often lack proper drip edge. Without it, wind-driven rain creeps under the shingle edges and rots the decking before anyone notices. When we repair shingles on these homes, we check the drip edge first and replace it if it’s missing or corroded.
Shingle Brands We Work With
We install and repair using manufacturer-recognized shingle brands including GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Schertz homes, we most often recommend Owens Corning and IKO architectural shingles for their impact resistance ratings, which matter in hail country.
Storm Damage Roof Repair in Schertz
Storm Damage Roof Repair in Schertz is a regular part of our work. Schertz sits directly in the hail-prone I-35 corridor, and severe thunderstorms are common from March through June and again in the fall. A single storm can drop hail large enough to bruise shingles, crack tiles, and punch through vents and skylights. Repair costs after a typical Schertz hail event run $400 – $1,800 for shingle and flashing repair, while more extensive storm damage with decking replacement runs $2,500 – $6,000.
What Hail Actually Does to a Shingle
Hail doesn’t always tear a shingle off. More often, it bruises the mat underneath, knocking off granules and leaving a soft spot. That spot then fails in the next wind event. After a storm, you may see granules collecting in gutters or downspouts. That’s a sign the shingle surface has been compromised, even if it looks fine from the ground.
In Schertz, after a heavy hailstorm, you can drive through neighborhoods like Fairhaven and see blue tarps on roofs within days. Local roofers become the busiest people in town. We respond to Schertz storm damage calls with the same Threshold Verified standard: a named, photo-badged technician arrives, inspects, and puts the repair scope and price in writing before any work begins.
Storm Chasers and Bad Repairs
We see a pattern in Schertz after every hail event: storm chasers slap new shingles over water-damaged decking without replacing the underlayment. The roof looks fine for a few months, then fails again at the first moderate storm. We don’t do that. We replace damaged decking, install proper underlayment, and make sure the repair is done to the manufacturer’s specification for wind and hail.
Trusted Brands We Service in Schertz
We work with shingle brands that hold up to Schertz weather: Owens Corning, IKO, Atlas, and Tamko are common on Schertz homes. Because we serve this area regularly, we stock matching shingle colors and common flashing parts locally, which means faster turnaround on repairs in Cibolo and Schertz without waiting on a warehouse shipment. If your roof has a specific brand and color, we can match it or tell you honestly if it’s been discontinued and what your options are.
Common Roof Repair Problems We See in Schertz Homes
- Missing drip edge on older homes. Many original 1980s and 1990s roofs in Schertz were built without drip edge, so wind-driven rain gets under the shingle edges and rots the decking. We check this on every repair.
- No ridge vent on 1990s roofs. Trapped attic heat degrades shingles from below, causing premature granule loss and curling. Adding a ridge vent during a repair can extend the life of the remaining shingles.
- Hail-bruised shingles that look fine from the ground. Granules in the gutters are often the only visible sign. We inspect the roof surface up close, not from the driveway.
- Flashing failures around chimneys and valleys. On aging Schertz homes, chimney flashing pulls away and valley metal corrodes. Water follows the gap and stains the soffit or ceiling below.
See the difference
Before
After
Before
After
Before
AfterPricing for Roof Repair in Schertz, TX
Here’s what roof repair in Schertz typically costs, in real dollars:
- Small shingle repair or single leak: $350 – $600
- Flashing replacement (chimney, valley, or pipe boot): $250 – $750
- Vent boot replacement: $200 – $400 per boot
- Flat roof patch: $500 – $1,200
- Section shingle replacement with decking repair: $1,200 – $3,500
- Full storm damage repair with decking and underlayment: $2,500 – $6,000
What moves the price: roof slope, number of layers, decking condition, and whether we need to match an existing shingle color. We give you a written line-item price before any work starts, and the price doesn’t change unless we find something hidden and you approve the extra in writing first. Call (254) 276-4369 to schedule a free estimate.
We Also Serve Cities Near Schertz
Beyond Schertz, we serve homeowners in Cibolo, San Antonio, Bulverde, and Floresville. The same Threshold Verified standard applies everywhere: named technician, photo ID badge at the door, written price before work starts. If you’re nearby and need roof repair, call us and we’ll let you know our next available slot.
Serving Schertz, TX - Our Local Coverage Area
We’re based in the Schertz 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 About Roof Repair in Schertz
Hail in Schertz typically bruises shingles, knocking off granules and leaving soft spots that fail later in wind or rain. After a storm, look for granules in gutters, dents in vents or flashing, and shingles that look darker or shinier than surrounding areas. If you see any of these, call (254) 276-4369 for a free inspection. We’ll get on the roof and check the actual shingle surface, not just look from the ground.
In many cases we can repair a small section, especially if the surrounding shingles are still bonded and the decking is sound. But if the shingles are brittle, curling, or losing granules across the whole roof, patching creates a weak point that will fail again. We’ll tell you honestly which situation you’re in, and put both options in writing with real prices.
A square is 100 square feet of roof area, and it’s the standard unit roofers use for materials and labor. To compare quotes, make sure each one lists the number of squares, the shingle brand and model, whether decking replacement is included or charged per sheet, and what the warranty covers. If a quote doesn’t break these out, ask for it in writing. Call us at (254) 276-4369 and we’ll walk you through a line-by-line comparison.
For Schertz, we recommend shingles rated for at least 110 mph wind uplift, and many of the architectural shingles from Owens Corning and IKO carry 130 mph ratings. The installation matters as much as the rating: proper nailing pattern, drip edge, and starter strips are what actually keep shingles on in a wind event. We install to manufacturer spec, not to minimum code.
Schertz does not require a permit for minor repairs like replacing a few shingles or a vent boot. Larger repairs or any replacement of decking may require a permit, and that can trigger code requirements like adding drip edge or proper underlayment. We handle the permit process and tell you upfront if any code upgrades apply to your repair. Call (254) 276-4369 for specifics on your home.
Call Mercer Roofing for Your Schertz Roof Repair
If your Schertz roof has hail damage, a leak, or aging shingles, don’t guess. Call (254) 276-4369 to schedule a free estimate. A real person answers, we’ll send you a named technician with a photo badge, and you’ll get a written price before any work starts. Every repair includes the 365-Day Done Right Promise and a written guarantee. That’s how roof repair in Schertz should work.
Written by Grant Whitlock, Owner at Mercer Roofing Co San Antonio, serving Schertz and surrounding communities as part of the Threshold Group family, founded in 2000.