Round Rock | Siding & Shingle Roofing · Jun 24
Complete James Hardie HardiePlank Cedar Mill Installation | GAF Timberline HDZ Steep-Slope Roofing System








Complete James Hardie HardiePlank Cedar Mill Installation | GAF Timberline HDZ Steep-Slope Roofing System









This comprehensive siding project involved full James Hardie fiber cement replacement on a Round Rock home, featuring HardiePlank Select Cedar Mill 8.25" boards over new 7/16" OSB wall sheathing for enhanced structural integrity. The installation addressed the home's aging exterior while providing superior resistance to Texas heat, hail, and cedar pollen that plague Round Rock properties. All surfaces received professional Sherwin Williams Super Paint application, including detailed work around garage door jambs, entry doors, and decorative shutters. The James Hardie system delivers decades of low-maintenance performance perfectly suited to Central Texas climate extremes.
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The roofing component tackled this home's challenging steep 8/12 pitch with premium GAF Timberline HDZ dimensional shingles, engineered specifically for severe weather resistance common in Round Rock's hail-prone climate. Installation included GAF FeltBuster synthetic underlayment for superior moisture protection, StormGuard ice and water shield in critical areas, and Cobra ridge venting for optimal attic ventilation during brutal Texas summers. The project scope encompassed complete shingle removal and disposal, new drip edge installation, and gutter replacement to ensure proper water management. This GAF Golden Pledge warranty system provides maximum protection against the intense UV exposure and thermal cycling that rapidly ages roofing materials in Central Texas.
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The homeowner contacted Austin Pro through our Facebook advertising in late October 2023, seeking solutions for their aging exterior components. Initial conversations revealed concerns about both siding condition and roofing performance, leading to our comprehensive evaluation process.
Our assessment team conducted a thorough inspection in early November, documenting the extent of siding deterioration and roofing issues on the challenging steep-pitch roof. The evaluation confirmed the need for complete replacement of both systems rather than partial repairs.
Project planning involved detailed material selection, permit acquisition, and insurance coordination throughout November and December 2023. Final approval came on December 22nd, allowing winter months for material procurement and crew scheduling for optimal spring installation timing.
Installation commenced in spring 2024, beginning with the complex roofing work on the steep 8/12 pitch, followed by complete siding replacement and comprehensive painting phases. The crew managed weather considerations and steep-slope safety protocols throughout the multi-week installation process.
Final completion occurred in late April 2024, followed by comprehensive walkthrough and punch list completion. The homeowner received full warranty documentation for both James Hardie and GAF systems, with final invoicing and project closure completed by mid-June 2024.
Round Rock's established neighborhoods feature many homes from the 1980s and 1990s that are reaching the point where original siding and roofing materials need comprehensive replacement. This homeowner faced exactly that situation - aging exterior components that could no longer withstand Central Texas weather extremes.
Our initial evaluation revealed a home requiring full exterior renovation due to failing original materials. The existing siding showed typical signs of Central Texas wear - UV damage from relentless summer heat, impact marks from hail storms, and deterioration accelerated by cedar pollen and limestone dust that coats Round Rock properties.
The steep 8/12 roof pitch presented additional complexity, requiring specialized safety equipment and experienced crews comfortable working on challenging angles. This slope, while architecturally attractive, demands premium materials and installation techniques to ensure long-term performance.
Siding Solution: We specified James Hardie HardiePlank Select Cedar Mill 8.25" fiber cement boards as the optimal siding replacement. This material choice addresses every major concern facing Round Rock homeowners - it won't burn, rot, or provide food for insects, while maintaining dimensional stability through extreme temperature swings.
The installation included complete 7/16" OSB wall sheathing replacement, ensuring the home's envelope would perform optimally for decades. This foundation work is crucial in our climate where thermal expansion and moisture management directly impact long-term durability.
Roofing System: For the shingle roofing replacement, we selected GAF Timberline HDZ dimensional shingles backed by their Golden Pledge warranty program. This premium system includes GAF FeltBuster synthetic underlayment, which outperforms traditional felt in Texas heat, and StormGuard ice and water shield protection in vulnerable areas.
Siding Installation Phase:
Roofing Installation Phase:
The project's final phase involved comprehensive Sherwin Williams Super Paint application across all exterior surfaces. This included detailed painting of the new James Hardie siding, fascia and soffit areas up to 24 inches, garage doors, entry doors, and decorative shutters.
This systematic approach ensures uniform color and protection across all exterior components, creating a cohesive appearance while maximizing weather resistance.
The challenging 8/12 roof pitch required specialized steep-slope installation techniques and safety protocols. Our crews utilized professional-grade safety equipment and modified installation procedures to ensure both worker safety and installation quality on this demanding roof configuration.
Steep slopes actually offer advantages in Central Texas - they shed water more effectively during intense thunderstorms and provide better attic ventilation, crucial for managing summer heat loads that regularly exceed 100 degrees.
This project involved insurance claim coordination, requiring detailed documentation and communication with adjusters throughout the process. We handled all permit requirements with Round Rock's building department, ensuring full compliance with local codes and regulations.
Proper permitting protects homeowners by ensuring inspections verify installation quality and adherence to building standards - particularly important for major exterior renovations like this comprehensive project.
The James Hardie and GAF combination provides exceptional durability for Round Rock's climate challenges. James Hardie fiber cement resists thermal expansion, won't support mold growth in our humid conditions, and maintains its appearance through decades of UV exposure.
GAF's Timberline HDZ shingles feature advanced granule technology and enhanced adhesive strips designed specifically for high-wind resistance - crucial protection during Central Texas storm season.
This transformation delivered immediate curb appeal enhancement and long-term performance improvements. The homeowner now enjoys reduced maintenance requirements, enhanced energy efficiency through improved building envelope performance, and comprehensive warranty protection through both James Hardie and GAF programs.
The project timeline from initial contact through final completion spanned several months, allowing for proper planning, material procurement, and weather-appropriate scheduling - essential factors for successful exterior renovations in Central Texas.
Round Rock homeowners facing similar exterior renewal needs can expect comparable results when choosing premium materials and experienced installation teams. The investment in quality materials and professional installation pays dividends through reduced maintenance costs and enhanced property values in this competitive real estate market.





