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Shingle Roofing in East Austin, Austin, TX — completed Austin Pro project

Completed October 2024

Shingle Roofing in East Austin, Austin, TX

We replaced the entire shingle roof on this East Austin home in a single work window, swapping worn comp shingles for GAF Timberline HDZ SG. The two-story job wrapped up over two days and left the home sealed against Central Texas heat and hail.

Trades
Shingle Roofing
Completed
Brands installed
GAF

Standout outcome — A hail-rated roof system with fully reworked flashing and a low-slope membrane

Timeframe — Completed October 31, 2024, over a two-day install

Job APS-4228

Scope of Work

What We Did

Full GAF Timberline HDZ SG Shingle Roof Replacement · Certainteed Flintlastic SBS Low-Slope Membrane System

Shingle Roofing

This insurance-approved shingle roofing project in Austin, TX replaced a worn asphalt roof on a two-story East Austin home. We chose GAF Timberline HDZ shingles for their strong hail and wind performance in Central Texas storms. The crew added a Flintlastic SBS self-adhered system on the low-slope area, plus GAF ProStart starter strip and Z-Ridge caps. New flashings and FeltBuster underlayment finished a durable, watertight roof built for 100-degree summers.

GAFTimberline HDZAsphalt Shingles$10k–$15k
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Service price ranges are for that work before any discounts. Any total project cost mentioned on this page may include applied discounts.

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How It Went

The Journey

From the first phone call to the final walkthrough — what actually happened on this project.

First contact

March 1, 2024

The homeowner came to us through a customer referral and first reached out on March 1, 2024. The homeowner had an insurance claim open for storm damage on the existing shingle roof, so early conversations focused on assessing that damage.

Evaluation

August 7, 2024

We inspected the two-story roof and were scoping the project by August 7, 2024. The crew found worn composition shingles on the main slopes and a separate low-slope section that shingles could not protect. Flashing and pipe boots were also flagged for full replacement.

Planning & approval

August 9, 2024

The project was approved on August 9, 2024, once the scope and insurance details lined up. We planned GAF Timberline HDZ SG shingles for the steep slopes and a Certainteed Flintlastic SBS modified bitumen system for the low-slope area, along with a full flashing rebuild.

Installation

October 31, 2024

Crews handled the full tear-off and replacement on October 31, 2024, completing the two-day job. Work included GAF FeltBuster underlayment, new drip edge and gravel stop, fresh pipe and mast flashing, and Versa Cap penetrations. The low-slope membrane went down with SBS ply base and cap sheet.

Completion

October 31, 2024

Work finished on October 31, 2024. After a final walkthrough confirming a watertight roof, the project closed on November 15, 2024, backed by GAF's manufacturer warranty and our workmanship guarantee.

5 Photos

Project Photos

Every photo is this job, shot on site by our crew in East Austin, Austin, TX.

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The Full Story

Inside This Project

Why did this East Austin home need a new roof?

The existing comp shingles had reached the end of their life. Storm damage led to an insurance claim, and the homeowner reached us through a referral. Older East Austin homes take a beating from repeated hail and long stretches of 100°+ summer heat.

  • Work type: insurance claim, approved August 9, 2024
  • Homeowner came to us through a customer referral
  • Old roof: composition shingles removed with full haul-off and disposal
  • Home style: two-story, requiring a steep-slope access charge

What did the crew find during inspection?

Once we got up top, we found two different roof problems that needed two different solutions. The main slopes were straightforward comp shingle territory, but the home also had a low-slope section that a standard shingle simply won't protect. Water pools on low-pitch areas instead of running off, so shingles there fail early and leak. Many homeowners try to shingle these sections anyway, and it always leads to trouble down the road. We flagged this early and planned a modified bitumen membrane for that area instead.

  • Steep, two-story main slopes needing safe access setup
  • One low-slope section unsuitable for shingles
  • Existing flashing and pipe boots worn and due for full replacement

What materials did we use, and why?

We built the main roof on GAF Timberline HDZ SG shingles over GAF FeltBuster synthetic underlayment, which lays flatter and resists tearing better than felt. The HDZ line carries a strong wind rating and holds up to the hail we see roll through 78721 each spring. For the low-slope area, we installed a full Certainteed Flintlastic SBS system: two squares of SA ply base plus a cap sheet. That self-adhered membrane bonds tight and handles standing water far better than any shingle would.

  • GAF ProStart starter strip along the eaves (120 feet)
  • GAF Z-Ridge ridge cap shingles (33 feet)
  • ACM 2"x2" galvanized steel drip edge and a 6" modified gravel stop
  • 1 1/4" roofing coil nails (7,200 count) and 1" plastic cap nails (2,000 count)
  • Geocel 2300 TriPolymer sealant for weather-tight seams

How did the installation go?

Both crews worked the two-story roof over two days, starting and finishing the whole job on October 31, 2024. The steep pitch meant extra fall protection and slower, more careful shingle courses. We reworked every penetration so nothing was left to chance.

  • New galvanized steel base pipe flashing (1 1/2"–3") and neoprene pipe flashing (4")
  • ABC electrical mast flashing sized 1/4"–5" for the service entry
  • GAF Aluminum Versa Cap flashings in both 3"–5" and 5"–7" sizes
  • Karnak asphalt primer and Rust-Oleum enamel to seal and finish metal edges

What were the results?

The homeowner ended up with a complete, watertight roof system built for Austin's climate. The main slopes shed rain and resist hail bruising, while the low-slope membrane protects the one area a shingle never could. The whole project landed in the $15k–$20k range and closed out November 15, 2024.

  • Full flashing and penetration rebuild, not just a shingle swap
  • Two roofing systems matched to the two roof pitches
  • Insurance-backed replacement, from tear-off to final install

Straight Answers

Questions About This Project

Why use two different roofing systems on one house?

Steep slopes and low slopes drain differently, so they need different products. Shingles work great where water runs off fast. On the flat section, we used a self-adhered modified bitumen membrane that seals against standing water.

Are GAF Timberline HDZ shingles good for Austin hail?

Yes. The HDZ line carries a strong impact and wind rating, which suits the spring hail and heat swings common in East Austin. Paired with synthetic underlayment, it gives the roof a tougher base layer than old felt setups.

How long did the roof take?

The full tear-off and replacement took two days, both falling on October 31, 2024. The two-story steep slope added time for safe access and careful shingle work.

Does this roof come with a warranty?

GAF backs its Timberline HDZ shingles with a manufacturer warranty, and our workmanship stands behind the install. Reach out to Austin Pro if you'd like the same system priced for your home.

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