No one covers you better than Firestone’s complete line of warranted roof membranes for low slope to steep slope including EPDM, TPO, Asphalt, Metal, and ISO insulation. Learn More
Firestone Metal Products is a leading provider of architectural metal wall panels and steep slope metal roofing systems for the commercial construction industry. Learn More

DensDeck roof boards are designed to address four persistent challenges inherent in commercial roofing assemblies: fire resistance, moisture resistance, strength and dimensional stability. Learn More
SkyScape Vegetative Roof System is a complete line of affordable green roof products with two great options for an easy-to-install, sustainable roofing system. Learn More
Westile addresses the commercial building plaza design and construction needs rather it's simple or complex with innovative products, colors and finishes. Learn More
Roof restoration may be an option to tearing off or replacing a worn roof, saving you time and money. Learn More
We provide exterior architectural solutions for commercial buildings
Our clients are Architects & Design Professionals, Contractors, and Building Owners in the private, public and government sectors. These architectural solutions include low slope roofing systems, steep slope metal roofing systems, garden roofing systems, energy-efficient roofing systems, rooftop photovoltaic systems, roof logos and wall panel systems.
Larimer/Shannon Group is the representative for Firestone Building Products, Firestone Metal Products, Georgia-Pacific DensDeck, SkyScape™ Vegetative Roof System, APOC roof restoration and SkyPaver and Westile paver systems in Georgia and Central and Eastern Tennessee (including Chattanooga, Nashville, Knoxville and the Tri-City area).
Founded in 2003, we established our firm as an ‘industry best’ sales and marketing organization representing exterior commercial building products and systems in Georgia, Central and Eastern Tennessee. Our company’s success is due to our solution driven, resourceful, responsive, experienced staff; the proven manufacturers of products and systems we represent; our comprehensive technical knowledge and understanding of proper application processes; and our commitment to exceptional customer service. We are recognized as the ‘first call’ resource for architects, specifiers, construction consultants, contractors, public and private owners, and building material distributors in the markets we serve. Our expertise allows us to address the spectrum of their design, performance and application criteria associated with exterior system selection, code compliance, extreme site or weather conditions, aesthetics, texture, color, green building and sustainability. Our representation is one that is focused on bringing value to all participants in the commercial construction process.

