Transform Your Home with a New Roof in O'Fallon

Investing in a new roof for your O'Fallon home is one of the most significant improvements you can make to protect your property and enhance its value. Leonidas Roofing & Exteriors combines premium materials with expert installation techniques to deliver roofing systems that provide decades of reliable protection against Missouri's challenging weather conditions.
Our comprehensive approach to new roof installations begins with a thorough assessment of your current roofing system and a detailed discussion of your goals, preferences, and budget. Every new roof we install in O'Fallon is custom-designed to meet your specific needs while providing optimal performance, energy efficiency, and curb appeal.
Contact Leonidas Roofing & Exteriors today to schedule your free consultation and estimate. Our experts will help you select the ideal roofing system for your home's architectural style, your performance requirements, and your budget.
Your Trusted New Roof Installer for Lasting Quality
As O'Fallon's premier roofing company, we understand that a new roof represents a significant investment in your property's future. That's why we partner with industry-leading manufacturers like GAF, CertainTeed, Malarkey, and Owens Corning to offer comprehensive warranty options that protect your investment for decades to come.
Our certified installation teams follow manufacturer specifications precisely to ensure your new roof qualifies for maximum warranty protection. From proper ventilation and underlayment to precise shingle placement and flashing details, we adhere to best practices that exceed building code requirements and industry standards.
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Trust the Pros at Leonidas Roofing & Exteriors Today!Premium Roofing Options For Every Property
Whether you're looking for traditional architectural shingles, impact-resistant options, energy-efficient cool roofs, or premium designer styles, our selection includes solutions for every aesthetic preference and performance requirement. We also offer specialized systems for commercial roofing applications, ensuring every property type receives appropriate protection.
Before committing to a new roof investment, we recommend scheduling a professional roof inspection to determine whether replacement is necessary or if repairs might extend your current roof's life. Our honest assessment will help you make an informed decision based on your roof's condition and your long-term goals.
Homeowners throughout O'Fallon trust Leonidas Roofing & Exteriors for new roof installations because of our commitment to quality, transparency, and exceptional service. From initial consultation through final inspection, we provide clear communication and meticulous attention to detail.
Frequently Asked New Roof Questions
For most average-sized homes in O'Fallon, a complete new roof installation typically takes 1-2 days once materials are delivered and weather conditions are favorable. Our team works efficiently to minimize disruption while never compromising on quality, providing a detailed timeline before starting and conducting thorough cleanup with magnetic sweepers after completion.
Leonidas Roofing & Exteriors focuses on the complete roofing system—including proper ventilation, ice and water shields, synthetic underlayment, and precise flashing details—rather than simply replacing shingles. Our factory-certified installers undergo continuous training to maintain certification standards, allowing us to offer enhanced warranty options unavailable through non-certified contractors while ensuring manufacturer specifications are followed for maximum performance.