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
Architects and Design Professionals
The design of a building envelope system is a complex undertaking. As designers of these systems, it is critical that you understand the solutions and options that meet your design criteria. At Larimer/Shannon Group, we understand the complexity and importance of the building envelope design. Leading architectural and design firms count on our technical expertise to provide the latest technical information and solutions for a variety of building envelope systems to include: commercial low-slope and metal roofing systems; "green" building solutions; vertical metal wall panel systems; column covers; and sunscreen devices.
Solution Found! From low-slope and metal roofing systems to vertical metal wall panel systems to green building solutions.
Larimer/Shannon Group can assist with:
- Exterior system recommendations
- Specification writing and review
- Cost estimating & budgeting
- Survey and evaluation of existing system
- FMG and UL Code updates
- Tapered insulation layout
- Metal panel selection and layout
- Quality assurance and field observation during installation
- Systems Education - AIA CEU approved
- Manufacturing facility tours
- Provide literature and samples
- LEED assistance
- Photovoltaic resource
- Energy calculations (Daylighting, Sun Shades, Thermal Insulation)
- Technical and marketing bulletins

