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Project Case Study: GAF Timberline Armorshield II Roof Replacement in Argyle, Texas

This case study details the complete roof replacement performed by Presidio Roofing Company for a residential property in the Lantana neighborhood in Argyle, Texas. The project involved removing storm-damaged architectural shingles and installing new GAF Timberline Armorshield II Architectural Shingles to improve energy efficiency and wind resistance. The project was completed in May of 2025 with a total coverage of 6,500 sq ft.

This roof replacement was especially dangerous and challenging. This 2-story house had a roof pitch ranging from steep (10/12 or roughly 40 degrees of angle) to extremely steep (16/12 or roughly 53 degrees of angle).  And despite it being hit by 3 different large hail storms, the insurance claim process was also an adventure. Lastly, the roof-mounted electrical attic vents were broken by the storms and would need replacing.

In This Case Study:

Video transcript and key highlights

Click to view video summary
0:00 - 0:31
Chalk markings on the shingles show where hail has broken the shingle matting.
0:31 - 0:39
Chalk markings on the metal vents help show the size of the hail that hit the roof.
0:40 - End
Vantage point of just how steep the angle of the roof pitch is can be easily seen.

Project Snapshot: Key Specifications & Costs

Metric Project Detail
Project Type

Full Roof Replacement (Insurance Claim Restoration)

Location

Lantana, Argyle, TX 76226

Roof Size

6,500 Sq Ft (65 Squares)

Material Used

GAF Timberline® ArmorShield II Class 4 (Charcoal)

Duration

2 Days

Budget Range

$60,000 – $65,000

Warranty

GAF Golden Pledge Warranty With 25-Year Workmanship

Challenge 1: Original Insurance Claim Was Denied

Even though this roof was hit by 3 large hail storms over 2” in size, this roof was initially denied for replacement by the insurance company.  This is common when losses are on the higher $ side and insurance companies want to see if homeowners will push for coverage after being denied.  The calculation is simple, if they can initially deny a certain % of valid hail claim replacements they know that a decent % of those clients will not pursue it further and they will save hundreds of millions of dollars when spread across tens of thousands of denied hail claims.  This roof alone is over $60,000 to replace.

The Solution: Patience, Experience & Our Expertise

We worked going back and forth with the insurance company for over 3 months to get this roof approved.  This included multiple inspections, multiple adjustments, sending video and photo evidence, sending revised estimates, and countless hours on phone calls.  We were able to get this done for our client without needing to go to appraisal or a public adjuster which saved our client tens of thousands of dollars in extra fees.  Being able to navigate this kind of insurance negotiation is only something that experienced roofing companies with decades of experience like us can do. 

Challenge 2: Steep Roof Pitch Created Dangerous Work Conditions

This roof was extremely steep.  When you get above a 9/12 pitch the working environment on a roof drastically changes.  But on this roof, good portions were above 12/12 and many portions were about 16/12.  These slopes are physically not able to walked on without a rope and harness and only trained roofers can actually navigate these slopes while also installing a top of the line GAF system to the specs required of a Master Elite roofing company like Presidio Roofing. 

The Solution: Proper Training, Experience & Our Skillset

Our crews are true steep and tall roofers.  The vast majority of roofers nationwide can not work on roofs this steep but In Argyle, Lantana, Flower Mound and all over DFW, roofs this steep are common and we are prepared to be able to safely install them while not losing the technical specs needed for steep slope installs. 

Challenge 3: Roof Mounted Power Attic Vents Needed Replacing

The roof mounted power attic vents were broken by the hail and non-functional.  These types of vents can not be easily replaced by roofers as they are hard-wired into attic electrical outlets.  They are usually not just plugged into outlets but hard-wired.

The Solution: Working With the Right People

We work with a local electrician in Denton County who is on call for jobs like these.  He comes out, safely disconnects the vents, re-wires the new ones, and works with us and the roofing crew to safely install new power attic vents that will function to help balance the temperatures in giant attics on homes like this.  Especially in the summer when temps exceed 100 degrees you want to make sure your roof vents are working properly. 

The Result:

A beautiful, properly-installed roof with an outstanding warranty.

How to Maintain Your New GAF Timberline® ArmorShield II Class 4 Roof

While your new roof is built to last, regular maintenance ensures it remains eligible for warranty claims and performs optimally.

Step 1
Visual Inspection After Storms

After any severe weather event, perform a ground-level inspection. Look for signs like dings in your gutters, tears in window screens, or shingles lying in the yard. Do not climb the roof yourself; call a professional if you suspect damage.

Step 2
Clear Debris from Valleys

Ensure that leaves and branches are cleared from roof valleys and gutters. Accumulated debris can trap moisture and lead to algae growth or water backing up under the shingles.

Step 3
Monitor for Granule Loss

Check your downspout splash blocks. If you see excessive accumulation of granules (the “sand” from the shingles), it may indicate that the roof is aging or has sustained new hail damage.

Author

About the Author

Nick lives in Denton, Texas with his wife and 2 children. After graduating from the University of Arizona and spending some time traveling the world he became intrigued by the roofing industry and decided to dive in and learn everything he could. Today, Nick is the co-owner at Presidio Roofing Company and uses his 15+ years of roofing experience to help push the company forward.

Certifications & Affiliations

GAF Certification #1140907
GAF Certification #1140907 Presidio Roofing RCAT Profile
Owens Corning Certification #223631
Owens Corning Certification #223631 Presidio Roofing Owens Corning Profile
RCAT License #100762
RCAT License #100762 Presidio Roofing GAF Profile
IBHS Fortified Roofing Contractor
IBHS Fortified Roofing Contractor Presidio Roofing Fortified Certified profile

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