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Arch-Style Steel Buildings — A Model

A Model Steel Building

A Model steel buildings offer straight sides and a peaked roof for a conventional appearance, 16' to 40' wide. Manufactured by Future Buildings, sold through Toro.

Steel building styles

The A Model is an arch-style building with straight sides and a peaked roof, giving it a more conventional appearance than a traditional rounded Quonset hut.


sizing & build

Design & dimensions


Available in widths from 16' (4.87m) to 40' (12.46m), with varying center heights and no limit on length. Like all of Toro's arch-style models, the A Model is manufactured by our sister company, Future Buildings, and reviewed by Toro's in-house engineering team for your local code requirements before it ships.

A Model Steel Building

How it's built

Design & Purpose

Straight wall buildings maximize vertical wall space for shelving, offices, and mezzanines. Arch buildings are structurally efficient and often cost-effective for storage and agricultural applications.

Yes. Insulation systems can be added to control interior temperature, reduce condensation, and improve comfort for year-round functionality.

Quonset huts use a curved arch design that distributes loads efficiently and eliminates interior columns. This creates open interior space ideal for storage, equipment housing, and workshop environments.

Join 100,000+ customers who built with Toro

Tell us your size, location and how you'll use the building. A Toro building consultant will come back with an engineered, code-compliant quote within 1 business day. Prefer to talk? Call 1-888-995-3432, or browse in-stock clearance buildings at reduced prices.