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 Installation Across Jollyville
Roof installation in Jollyville usually costs between $9,800 and $18,500 for a standard single-family home, depending on square footage, shingle grade, and what we find when the old roof comes off. Most Jollyville jobs run two to four days once materials are on site, and the biggest cost variable is almost always decking replacement, which runs $3 to $5 per square foot when old plywood has rotted under decades of oak shade. We schedule free estimates across Jollyville within the week, and a live person answers when you call (361) 202-8874.

Jollyville homes weren’t built for the weather they’ve lived through. The 1970s through 1990s construction is solid, but original ventilation is thin, and forty years of live oak canopy does things to a roof that a newer Austin subdivision never sees. We know exactly what those houses look like when we strip them down, and we write the quote so you see every line before we order a single bundle.
Why Mercer Roofing Co Austin Is Jollyville’s Preferred Roof Installation Company
We’ve torn off a lot of roofs between Pond Springs Road and the neighborhoods branching west toward Spicewood Springs, and the pattern is familiar: two layers of old composite shingles, decking that’s soft at the eaves, and attic ventilation that never worked well from day one. That’s not a problem to be discovered mid-job. It’s the main thing we plan for on every Jollyville estimate.
Every technician who steps onto your property is background-checked, identity-verified, and badged under the Threshold Verified standard. Before the crew arrives, you get the technician’s name and photo sent to you. At the door, they present a photo ID. You always know exactly who is on your roof. That matters in Jollyville, where lots of homeowners are home during the day, often alone or with young kids, and don’t want a mystery crew walking their property line.
Mercer Roofing is part of the Threshold Group family, founded in 2000. Grant Whitlock leads our Austin office, which dispatches crews to Jollyville for everything from full replacements to repair work. Every job starts with a written price. Every repair carries a 365-day written guarantee, and if the work isn’t done right, we come back and make it right, free.
Styles & brands we work with






TPO Roofing Installation in Jollyville
TPO Roofing Installation in Jollyville typically costs $11,000 to $16,500 on a single-story home with a low-slope section, and it’s the best call for the flat or low-pitch roof areas on many 1980s ranch-style homes near Pond Springs Road. TPO is a white, heat-reflective membrane that gets fully adhered or mechanically fastened over insulation board. In Jollyville’s summer heat, that reflectivity drops roof surface temperature enough to cut attic heat gain, which is a real comfort difference in houses with the original minimal insulation.
When TPO Makes Sense Here
Homes in Jollyville with additions, carports, or patios often have a low-slope section that shingles were never right for. Original builders sometimes used roll roofing on those areas, which fails early under UV exposure. TPO along with new tapered insulation gives those sections proper drainage and a membrane rated for Texas sun.
What the Job Involves
We strip the old membrane, inspect the decking, replace any rotted sections, install or upgrade insulation board, and then fully adhere the TPO with hot-air welded seams. The seams are the critical part: welded, not glued, so water has no seam to find. On Jollyville homes with caliche-alkaline runoff splashing at the roof edge, we extend the membrane past the drip edge so runoff never wicks back under the membrane.
Shingle Roof in Jollyville
Shingle Roof installation in Jollyville runs $9,800 to $18,500 for an average single-family house, with architectural shingles from Owens Corning, IKO, or Atlas accounting for most of the material variance. The critical part here isn’t the shingle brand. It’s what’s underneath. We strip to the deck, and on Jollyville homes that have been living under live oaks for 30 or 40 years, we expect to find softened plywood along the north-facing slopes where shade and trapped moisture never let the wood fully dry.
Ventilation Upgrades on Older Homes
Original 1970s through 1990s Jollyville roofs often have a few static box vents and maybe a gable vent, and that’s it. New architectural shingles run hotter than the old three-tabs. Without added ridge venting, they bake, cup, and shed granules within a few years. We include continuous ridge venting on nearly every full Roof Installation we do in this area because it’s the difference between a 12-year roof and a 25-year roof in this climate.
Decking and Drip Edge Work
When old shingles come off, we check every sheet of plywood and every foot of drip edge. Rotted decking gets replaced before anything goes back down. Drip edge gets upgraded from the thin original metal to code-compliant gauge, and starter strip goes on at the eaves. On homes near the creeks, where caliche runoff is alkaline, this matters more than anywhere else, because embedded grit and crushed limestone wear through paint and galvanization faster.
Trusted Brands We Service in Jollyville
We install and stand behind shingle systems from Owens Corning, IKO, and Atlas, all manufacturer-recognized products backed by their own material warranties on top of our 365-day workmanship guarantee. For Jollyville homeowners under heavy oak canopy, we often recommend shingles with copper-infused algae resistance, which slows the black streaking that tree shade and humidity accelerate on north slopes. We order direct from local supply yards, so materials are staged fast and there’s no week-long wait for a standard color or profile. If a Jollyville homeowner has a specific shingle line in mind, we’ll spec it into the quote line by line.
Common Roof Installation Problems We See in Jollyville Homes
- Algae and moss from overhanging live oaks. North-facing slopes stay shaded and damp much of the day, and organic matter collects at the shingle edges. If the old roof isn’t fully stripped and the deck dried before new shingles go on, that moisture rots the new decking from below.
- Inadequate original attic ventilation. The 1970s to 1990s homes around Jollyville were built to older ventilation math. New architectural shingles, with no added ridge vent, overheat in a single Texas summer and start cupping.
- Granule loss from caliche runoff. The limestone-heavy soil around Jollyville makes roof runoff alkaline. Where that water sheets along the eaves, it accelerates granule shedding on asphalt shingles. Failing to upgrade drip edge and starter strip means premature wear exactly where water is most active.
- Corroded drip edge and rotted plywood at the eaves. Years of oak litter holding moisture against the roof edge rusts original drip edge and softens decking below. This is the single most common surprise when an older Jollyville roof comes off, and it’s the main reason our quotes include a written allowance for decking replacement.
Pricing for Roof Installation in Jollyville, TX
Here’s what Jollyville homeowners should expect on a full shingle roof: $9,800 to $18,500 depending on square footage and shingle grade. TPO low-slope sections add $11,000 to $16,500 when they’re part of the job. Decking replacement runs $3 to $5 per square foot when rotted sheets get swapped, and we write that as a specific allowance in the contract so you know the ceiling before we start. Ventilation upgrades like a continuous ridge vent add a few hundred dollars and are the cheapest insurance on a Jollyville roof.

We never start work without a written price, and we never bring a change order to your door without explaining it in writing first. Call (361) 202-8874 to schedule a free estimate, and we’ll give you a line-item quote, not a ballpark.
See the difference
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AfterWhy Decking Inspection Comes First on Every Jollyville Roof
Here’s the thing about older Jollyville roofs, and it’s the single biggest reason our quotes come in higher than the flyer a door-knocker leaves on your porch: the decking under those shingles has been living in a humid microclimate for decades. The live oaks that make Jollyville’s older neighborhoods near Pond Springs Road so beautiful also trap moisture along shaded slopes, and the original composite shingles from the 80s and 90s weren’t built to breathe. By the time a roof needs replacing, sections of plywood are often soft to the finger, or worse, delaminating at the edges.
That’s why our process starts with an attic inspection, not a ladder and a measuring tape from the driveway. We get into the attic space, check the underside of the decking for water staining and sag, and note the actual ventilation capacity. Then we write the decking allowance into the contract as a fixed price per sheet, not an open-ended “materials as needed” line. You know the worst-case number before we sign anything.
What Opening a Jollyville Roof Actually Turns Up
On a 1980s ranch-style home near Pond Springs Road, our crew removed two layers of original composite shingles to find that years of trapped moisture under a dense live oak had rotted sections of the plywood decking and left the drip edge rusted through. We replaced the damaged decking, installed a complete ice and water shield along the eaves and in the valleys, and added a continuous ridge vent to correct the home’s original inadequate attic ventilation, all before the new architectural shingles went down. That job is not unusual. It’s the standard condition for roofs of that era in this neighborhood.
We don’t frame that as bad news. We frame it as the reason to get a real inspection before you compare quotes. A low number that doesn’t budget for decking, drip edge, and ventilation isn’t a better deal. It’s a smaller contract with a surprise built in. Our quote accounts for Jollyville’s actual housing stock, not a generic “roof size x price per square” formula from a national lead site.
What Makes Jollyville Roofs Different From the Rest of Austin
You can drive from Jollyville into Austin and not cross a single city line that changes your roof, but the roofs don’t age the same. Jollyville’s older neighborhoods near Pond Springs Road carry a canopy of mature live oaks that Austin’s newer subdivisions simply don’t have. That shade sounds like a blessing in August, and it is for your air conditioner. For your shingles, it means north-facing slopes stay damp longer, algae takes hold faster, and those black streaks that take ten years to appear in a sunny Austin cul-de-sac show up in six years here.
Add the caliche runoff from Jollyville’s limestone-heavy soil, and you have a second local variable. Runoff that carries dissolved limestone is mildly alkaline, and alkaline water accelerates granule loss on asphalt shingles. Where that runoff sheets over the eaves, shingles wear through to the matting years before the rest of the roof. A roof installation in Jollyville has to account for both of these things at the eaves and on the north slope, or it’ll look worn before the warranty is half spent. These aren’t issues a generic Austin Roof Installation page will ever mention, because they don’t hold true five miles south.
We Also Serve Cities Near Jollyville
Our crews handle roof installations in Jollyville and the surrounding communities, including Austin, Cedar Park, San Marcos, and Brushy Creek. If you’re looking for a trusted Roofing Company - Jollyville area homeowners rely on, we’re here to help. If you’re near the Jollyville area and need a written quote from a crew that sends a name and photo before they arrive, call (361) 202-8874 and we’ll get you scheduled.
Serving Jollyville, TX - Our Local Coverage Area
We’re based in the Jollyville 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 Installation in Jollyville
Because Jollyville’s mature live oaks shade north-facing roof slopes so heavily that old shingles never fully dry, and decades of that moisture softens the plywood underneath. By the time a 1980s or 1990s roof is ready for replacement, sections of decking are often rotted at the eaves and valleys. We inspect the attic before we quote and write a fixed price per sheet for any decking that needs replacing, so the allowance is in the contract from day one. Call (361) 202-8874 for an inspection and a written line-item estimate.
Yes, we recommend it along the eaves and in the valleys on every Jollyville roof, not for snow but for the wind-driven rain that comes with Hill Country thunderstorms and for the moisture that collects under oak litter at the roof edge. Ice and water shield is a self-sealing membrane that protects the decking when water gets under the shingles, and it’s cheap insurance on the exact areas where Jollyville roofs rot first.
The limestone-heavy soil makes roof runoff slightly alkaline, and alkaline water accelerates granule shedding on asphalt shingles, especially at the eaves where water sheets off the roof. We account for that by upgrading drip edge to a heavier gauge and installing a proper starter strip so the shingle edge isn’t sitting in the path of degrading runoff. Call (361) 202-8874 if you want a roof quote that accounts for Jollyville’s actual soil and water chemistry, not just square footage.
A new installation with algae-resistant shingles will slow it dramatically, but it won’t eliminate it entirely as long as oaks shade the north slope and trap humidity against the roof. The black streaking is algae, and it feeds on the limestone dust and organic matter that Jollyville’s oak canopy deposits on shingles. We can install shingles with copper-infused granules that inhibit algae growth, and we’ll talk through which manufacturers offer that for the profile you want.
Most full roof replacements in the Jollyville area require a permit, and on older homes the inspection often triggers required ventilation upgrades to meet current code. That means adding ridge venting, upgrading from the original minimal attic airflow, and sometimes replacing damaged decking to meet structural requirements. We handle the permit, schedule the inspection, and include any code-mandated work in the written quote before we start. Call (361) 202-8874 for a free estimate, and we’ll walk you through exactly what your specific home will need.
Written by Grant Whitlock, Owner at Mercer Roofing Co Austin, serving Jollyville roof installation and repair needs with background-checked, photo-badged technicians under the Threshold Verified standard.