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The Perimeter Metal People
Metal-Era offers a wide variety of commercial roof edge solutions. From popular fascia and coping products to gutters, sloped roof ventilation, accessories and more, our products are easy-to-install and will look great on any commercial building. Metal-Era’s pre-engineered roof edge systems are rigorously tested and backed by some of the strongest warranties in the industry.
Time-Saving Calculators
Save valuable time on the field by leveraging these helpful calculators provided by Metal-Era.
Gutter Calculator
The Gutter Calculator can be used to determine required minimum gutter size, downspout size, and downspout spacing for your roof perimeter. By choosing include GT-1, the calculator will also provide the required perimeter and corner pressures to meet the ANSI/SPRI GT-1 requirement.
ANSI/SPRI/FM 4435/ES-1 Calculator
Enter the building characteristics to calculate the design pressure your roof edge will need to meet or exceed in order to comply with ANSI/SPRI/FM 4435/ES-1. This calculator will also provide the basic wind speed for your region and a list of recommended Metal-Era products suitable for your project.
Attic Ventilation Calculator
The Attic Ventilation Calculator will help you calculate the Net Free Area for your project and the necessary vent width for your ridge vents or vented fascia products. Please enter either the square feet of attic space or the NFA that your project requires and the vented eave and ridge length.
For nail-base ventilated roofs, please use the Nailbase Ventilation Calculator.
Nailbase Ventilation Calculator
The Nailbase Ventilation Calculator will assist you in determining the ideal airspace relative to your project’s ventilation needs. Input the values for your project, and the results will be graphed to illustrate the effectiveness of the proposed system. For attic ventilated roof systems, please use the Attic Ventilation Calculator.