Allied Main Frames | Building Diagram | Frames | Roof Panels | Wall Panels


Clear Span
Straight Column		 Clear Span
Tapered Column		 Clear Span
Straight Single Slope
Straight Column Clear Span Column by Allied Clear Span by Allied
Clear span gabled rigid frames with uniform depth columns and variable depth rafters, with ridge at centerline of frame.

Width: 16′ to 120′ and over
Height: 8′ to 60′ and over
Standard roof slope:
1/2 : 12 to 1 : 12

Typical Uses:
Offices, Free-standing Retail, Small Commercial, where clear span is desired

 Clear span gabled rigid frames with variable depth columns and rafters, with ridge at centerline of frame.

Width: 30′ to 300′ and over
Height: 10′ to 60′ and over
Standard roof slope:
1/2 : 12 to 2 : 12

Typical uses: Gymnasiums, Industrial, Clear Span Work Areas, Overhead Bridge Crane Conditions, Indoor Recreational Facilities, Tennis, Riding, Soccer, etc., Agricultural equipment or grain storage, Architectural applications where roof slopes are shown.

 Clear span single slope rigid frame with uniform depth columns and uniform or variable depth rafters.

Width: 15′ to 120′ and over
Height: 8′ to 60′ and over
Standard roof slope:
1/2:12

Typical Uses: Shopping Centers, Convenience Stores, Free-standing Retail Units, Fire Stations, or where drainage is a particular concern.
Multiple Span
Straight Column		 Multiple Span
Tapered Column		 Multiple Span
Single Slope
multiple san straight column by allied tapered column by Allied Steel Single Slope by Allied
Multi-span gable rigid frame with uniform depth columns and uniform or variable depth rafter sections supported by intermediate columns, with ridge at centerline of frame.

Width: 10′ to 600′ and over
Height: 20′ to 60′ and over
Standard roof slope:
1/2:12

Typical Uses:
Warehouses, Distribution Centers, Manufacturing, Industrial, or other facilities where high eave height or large square footage is required.

 Multi-span gabled rigid frame with variable depth columns and uniform or variable depth rafter sections supported by intermediate columns, with ridge at centerline of frame.

Width: 10′ to 600′ and over
Height: 20′ to 60′ and over
Standard roof slope:
1/2:12

Typical Uses:
Warehouses, Distribution Centers, Manufacturing, Industrial, or other facilities where high eave height or large square footage is required.

 Multi-span single slope rigid frames with uniform depth columns and uniform or variable depth rafter sections supported by intermediate columns.

Width: 10′ to 600′ and over
Height: 12′ to 60′ and over
Standard roof slope:
1/2:12

Typical Uses:
Warehouses, Distribution Centers, Manufacturing Facilities.