Rigid Frame Clear Span
These structures are used where a large column-free floor area is required. The extensive size and structural integrity of these buildings make them ideal for auditoriums, gymnasiums, show rooms and aircraft hangars.

Tapered Beam Straight Column
These column-free structures economically encompass shorter-span areas and are ideal for small retail stores, buildings and offices.

Flush Wall Clear Span 
These buildings offer flush, unbroken interior wall spaces with open, column-free floor areas. Their attractiveness and versatility make them ideal for convenience stores and small office buildings.

Lean-To
These structures economically increase the width of existing or new buildings
without the need of valley gutter. They are ideal for retail buildings,
office complexes and shopping centers.

Rigid Frame with Post
These buildings provide maximum width at the most economical cost and are
ideal for most manufacturing plants, industrial warehouses, retail buildings and shopping centers.

Single Slope Clear Span
These buildings are used where one-way roof drainage is desired and column-free floor area is required. They are ideal for individual retail buildings, office complexes and shopping centers.