Choosing the Right Roof for Your Metal Building: Standard, Boxed Eave, or Vertical A-Frame?

When it comes to designing your metal building, one of the most important choices you’ll make is the type of roof. The roof not only affects how your building looks, but also how it performs over time against the elements. The three most common styles—Standard (Regular), Boxed Eave (A-Frame Horizontal), and Vertical A-Frame—each have their own strengths, price points, and ideal uses.

Let’s break them down.

Standard Roof (Regular Style)

The standard roof, also known as the regular style, is the most economical option. It features a curved design with rounded edges, created by bending the steel panels to form an arch.

Performance:

• Best for moderate climates with little snow or heavy rainfall.

• The rounded edges allow rain to run off easily, but it’s not designed for heavy snow loads.

• The simplest structure, requires less framing material.

Cost:

• Base price option- the most affordable roof style available.

• Great for budget-conscious buyers.

Best For: Carports, small garages, and utility sheds in mild-weather areas.

Boxed Eave Roof (A-Frame Horizontal)

The boxed eave roof, also called the A-frame horizontal roof, has a more traditional look. Instead of rounded edges, it features an A-frame peak with horizontal roof panels running side-to-side.

Performance:

• Offers a more polished, residential appearance.

• Better wind resistance compared to a standard roof.

• Not ideal for snowy regions since snow and water can collect between the horizontal panels.

Cost:

• Typically 10–15% more expensive than the standard roof.

• A good middle ground between affordability and style.

Best For: Homeowners who want a garage or carport that blends in with their house, or areas with occasional rain and wind but not heavy snow.

Vertical Roof (A-Frame Vertical)

The vertical roof is the premium option. Like the boxed eave, it has an A-frame design, but the difference is in the roof panels—they run vertically, from the peak down to the eaves.

Performance:

• The strongest and most durable design.

• Vertical panels allow snow, rain, and debris to slide off easily, reducing maintenance.

• Ideal for areas with heavy rain, snow, or wind.

• Additional structural support (hat channel and ridge cap) makes it long-lasting.

Cost:

• Generally 20–30% more expensive than the standard roof.

• Highest upfront cost, but delivers the best long-term value and protection.

Best For: Large garages, barns, RV covers, commercial buildings, or regions with harsh weather.

Price Comparison at a Glance

• Standard Roof: Base price (most affordable).

• Boxed Eave Roof: About 10–15% higher than standard.

• Vertical Roof: About 20–30% higher than standard.

Standard 12X 20 X 8

TOTAL INSTALLED $1947

$179 DOWN

BOXED-EAVE 12X 20 X 8

TOTAL INSTALLED $2045

$189 DOWN

VERTICAL 12X 20 X 8

TOTAL INSTALLED $2440

$233 DOWN

When deciding between standard, boxed eave, and vertical A-frame roofs, think about both budget and climate. If you’re in a mild-weather region, a standard or boxed eave roof might be enough. But if you want peace of mind and minimal maintenance, especially in areas with snow or frequent storms, the vertical roof is worth the upgrade.

👉 Whether you’re planning a carport, garage, barn, or commercial structure, the right roof will protect your investment for years to come. DESIGN YOUR BUILDING TODAY WITH OUR 3D DESIGNER https://design.atmetalbuildings.com/ Want to talk to a real human about this? Call (501) 825-5005 TODAY!