About Us Exterior Pro Siding and Windows is a locally owned company that provides the people of Tulsa and surrounding areas with professional services at competitive prices. Exterior Pro has over 25 years of experience in craftsmanship, installation, and customer service. Tim Pennington, the founder of Exterior Pro Siding & Windows, prides himself in giving personal attention and dedication to every project in which the crew is involved. Exterior Pro Siding & Windows have extensive knowledge in the variety of options when it comes to materials, color selection, and energy efficiency. Our Philosophy We provide the highest quality of products accompanied with superior customer service for a fair price, resulting with a 100% satisfied customer. Our Guarantee While the industry standard on installation warranty is one to two years, Exterior Pro offers a two to five year non transferrable guarantee on labor. Exterior Pro also offers a 100% lifetime transferrable limited manufacturer's warranty on materials.