Drexel Metals offers a wide range of metal roofing solutions designed for durability, functionality, and aesthetic appeal. For architects, builders, and homeowners, understanding the installation processes and product specifications is essential for ensuring long-term performance and structural integrity. This article provides a detailed overview of Drexel metal roof installation, focusing on the key profiles, tools, and procedures outlined in the source materials.
Installation Considerations for Drexel Metal Roofing
Drexel Metals has developed a variety of profiles tailored for different architectural and environmental requirements. Each profile is designed with specific installation methods that ensure ease of use, minimal labor costs, and long-term performance. The following profiles are commonly used in Drexel metal roof installations:
200S Profile
The 200S profile is a versatile system suitable for low to steep slope applications. It is a mechanically seamed panel that provides dimensional stability and architectural appeal. The broad width seam and Snap Lock installation method make it ideal for projects requiring a balance of aesthetics and durability.
150SS Profile
The 150SS profile is a 1.5-inch mechanically seamed panel that allows for curved applications such as barrel roofs or other complex shapes. It is ideal for architectural designs that require both form and function. This profile is particularly useful in residential and commercial settings where curved or segmented rooflines are desired.
450SL Profile
The 450SL profile is known for its interlocking system that installs quickly and reduces labor costs. It is designed for ease of use and is often selected for projects where time efficiency is a priority. The interlocking design ensures a watertight seal and minimizes the need for additional hardware.
550S Profile
The 550S profile is expertly crafted for quick installation and offers a refined appearance. It eliminates the need for clips, which simplifies the installation process and reduces the risk of leaks. The profile’s versatility makes it suitable for both residential and commercial applications.
100NS Profile
The 100NS profile is a classic and versatile option that eliminates the need for metal roof clips. It is designed for straightforward installation and is particularly suitable for projects that require a traditional appearance without sacrificing durability or functionality.
5V Profile
The 5V profile system is a long-time favorite for its combination of functionality and style. It is ideal for projects where a clean, structured look is desired. The profile’s design allows for a seamless appearance while maintaining structural integrity.
Corrugated Panels
Corrugated panels feature matching screws and rivets, with available closure strips and precut short lengths. These panels are commonly used in industrial or agricultural applications where durability and ease of installation are key factors.
R-Panels and 7.2 Rib Panels
R-Panels and 7.2 Rib Panels also feature matching screws and rivets, with available closure strips and precut short lengths. These panels are used in a variety of settings and are often selected for their strength and adaptability to different roof designs.
Installation Tools and Techniques
The installation of Drexel metal roofing typically involves a set of tools and techniques designed to ensure precision and efficiency. The following are key considerations for proper installation:
Mechanically Seamed Systems
Drexel’s mechanically seamed metal roofing systems require the use of specialized seamers that create a tight, interlocking joint. These tools are designed to work with the specific profiles and ensure a watertight seal. The use of these tools is critical for maintaining the integrity of the roof system.
Snap Lock Installation
The Snap Lock installation method is used with certain profiles, such as the 200S. It allows for quick and secure installation without the need for additional hardware. This method reduces labor costs and ensures a consistent appearance across the roof surface.
Interlocking Systems
Profiles such as the 450SL utilize an interlocking system that simplifies the installation process. The interlocking design ensures that each panel fits securely with the next, reducing the risk of leaks and ensuring long-term performance.
Site Fabrication
Drexel offers both factory and field fabrication of its metal roofing products. Site fabrication allows for the production of panels up to 200 feet in length, eliminating the risk of damage during shipping and staging. This method also allows for precise sizing of rake panels, ensuring a watertight condition. Additionally, site fabrication eliminates end laps, which are a common cause of leaks in metal roofing systems.
Benefits of Drexel Metal Roofing
Drexel metal roofing is designed to provide a range of benefits that make it a preferred choice for both residential and commercial applications. The following are some of the key advantages of using Drexel metal roofing:
Durability
Drexel metal roofs are known for their ability to withstand extreme weather conditions, including high winds, heavy snow, hailstorms, and wildfires. The roofs have been tested to endure wind speeds of up to 150 miles per hour, making them suitable for areas prone to severe weather events.
Low Maintenance
One of the primary advantages of Drexel metal roofing is its low maintenance requirements. Unlike traditional roofing materials, metal roofs do not rot, warp, or crack. Regular inspections and occasional cleaning are typically all that is needed to maintain the roof’s appearance and functionality.
Long-Term Warranties
Drexel metal roofs come with a 20-year weathertight warranty and a Gold Standard paint warranty that covers the entire system. This warranty ensures that the roof remains functional and aesthetically pleasing for many years.
Environmental Sustainability
Metal roofing is an environmentally friendly option because it is recyclable and reduces the need for landfill disposal. Additionally, the reflective properties of the metal contribute to energy savings by reducing the need for air conditioning in warmer climates.
Aesthetic Appeal
Drexel offers a wide range of colors and profiles that allow for a variety of design options. Whether a project requires a modern, sleek look or a more traditional appearance, Drexel metal roofing can complement any architectural style.
LEED Certification Support
Drexel metal roofing can contribute to LEED certification by helping to achieve requirements for reflectivity, material reuse, and energy efficiency. The roofs can also qualify for a $500 tax credit for energy-efficient improvements.
Installation Best Practices
To ensure the long-term performance and durability of a Drexel metal roof, it is essential to follow best practices during installation. The following are key considerations for a successful installation:
Proper Planning
Before beginning the installation, it is important to assess the building structure and ensure that it is suitable for a metal roof. This includes checking for proper ventilation, insulation, and roof slope. A qualified contractor should be consulted to determine the best profile and installation method for the specific project.
Use of Certified Contractors
Drexel recommends using certified contractors who are part of its Regional Manufacturers (DM-ARM) network. These contractors have been trained to install Drexel metal roofing systems and are familiar with the specific requirements for each profile.
Installation of Accessories
Accessories such as snow retention systems and solar attachments should be installed according to the manufacturer's specifications. The S-5! ColorGard snow retention system is recommended for areas with heavy snowfall, as it prevents ice dams and reduces the risk of a roof collapse due to snow weight.
Solar Panel Integration
Drexel metal roofs are compatible with solar panel installations using the S-5-PV Kit Solar Attachment. This allows for a seamless integration of solar panels with the roof system, maximizing energy efficiency and reducing installation time.
Paint and Coating Considerations
Drexel metal roofs are coated with premium Kynar 500 and Hylar 5000 (PVDF) paint systems, which provide long-lasting color and protection against the elements. These coatings are oven-cured and coil-coated, ensuring a durable finish that is resistant to fading and chalking.
Conclusion
Drexel metal roofing offers a range of benefits that make it an excellent choice for both residential and commercial applications. With a variety of profiles, installation methods, and accessories, Drexel provides solutions that are tailored to specific project needs. The use of certified contractors, proper planning, and adherence to best practices ensures that the roof performs optimally for many years.
For those considering a Drexel metal roof, it is important to understand the installation process and the factors that contribute to long-term performance. By following the manufacturer's guidelines and utilizing the appropriate tools and techniques, a Drexel metal roof can provide lasting protection, energy efficiency, and aesthetic appeal.