Northern Frame Systems
Rigid Frame Clear SpanRigid Frame Clear Span
Rigid Frame Multi-SpanRigid Frame Multi-Span
Tapered Beam Clear SpanTapered Beam Clear Span
Tapered Beam Multi-SpanTapered Beam Multi-Span
Single Slope Clear SpanSingle Slope Clear Span
Single Slope Multi-SpanSingle Slope Multi-Span
Lean-To (LTC) 10’ and widerLean-To (LTC) 10’ and wider
Special Frame DesignSpecial Frame Design
Rigid Frame Clear Span (RFC) 40' and wider
Provides column-free interior space. Ideal for auditoriums, gymnasiums, aircraft hangars, or any situation where large open spaces are required.
Rigid Frame Multi-Span (RFM) 50' and wider
Interior columns shorten the spans of the rafters, reducing the overall cost of the frame. Ideal for manufacturing and warehouse facilities.
Tapered Beam clear span (TBC) 20' to 70'
Offers column-free interior floor space and uniform minimum depth columns. End uses include retail stores, branch banks and office facilities.
Tapered Beam Multi-Span (TBM) 50' and wider
Uniform depth exterior columns with interior columns that reduce span lengths, reducing cost. Ideal for uses where interior sidewalk are to be finished for office areas. Other uses include warehouses and distribution centers, where wall palletizing is required.
Single Slope Clear Span (SSC) 20' and wider
Available with straight or tapered columns. Provide single direction roof slope for rain water runoff control. Often used for strip shopping centers and office complexes.
Single Slope Multi-Span (SSM) 50' and wider
Available with straight or tapered columns. Single slope design helps control rain water runoff. Used in facilities where interior columns do not impair building use. Ideal for manufacturing, warehousing, distribution centers, retail shopping centers and office complexes.
Lean-To (LTC) 10' and wider
Used primarily for wing units and additions to existing facilities. Can be used with any of the above framing types.
Special Frame Design (SFD) 10' and wider
Your building requirements dictate frame design. Whatever the shape, use or span there is an answer to your challenge.