Fabricated frames and roof or wall materials for project supply
H-section columns and rafters, C purlins and bracing form the building steel package. Choose the frame alone or add steel sheets or sandwich panels for the roof and walls, with member preparation and enclosure connections coordinated to the building drawings.
| Package item | Supplied components | Selection basis |
|---|---|---|
| Main frames | H-section columns, beams and rafters | Member sizes and connection details from project drawings |
| Secondary members | C purlins and drawing-defined wall-support members | Section dimensions, cut lengths and attachment positions |
| Bracing and ties | Round bars, steel tubes and angle braces | Brace locations, ends and member identification |
| Base and connection plates | Fabricated plates and attached details | Plate geometry, hole pattern and weld detail |
| Roof materials | Steel sheets or sandwich panels | Profile, covering dimensions and specified panel construction |
| Wall materials | Corrugated steel sheets or sandwich panels | Panel layout, openings and specified panel construction |
| Edge and drainage items | Steel edge covers and color-steel gutters | Drawing-defined lengths and corner details |
Steel frames, roof and wall materials, flashings and drainage items are priced separately. The quote also lists included bolts, anchors and panel fasteners, with any hardware supplied by others identified.
A clear-span frame keeps columns outside the usable floor area. A layout with interior columns divides the roof into shorter spans but places supports within the building. The approved structural arrangement sets the member sizes; the choice starts with the space your operation needs.
Rafters, bracing and suspended services can sit below the eave level. Door travel, crane movement and tall equipment use the unobstructed clear height at their actual positions. The building section ties these clearances to the frame geometry.
Find the dimensions or loads needed for your building schedule.
| Project parameter | Dimension / unit | What the drawing establishes |
|---|---|---|
| Building footprint | Width × length; ft or mm | Overall dimensions and the structural grid are identified separately |
| Working height | Eave height and clear height; ft or mm | Clear height is measured to the lowest obstruction in the working area |
| Frame bays | Column spacing; ft or mm | Bay positions align with aisles, equipment and the opening layout |
| Roof geometry | Pitch; rise/run or degrees | Ridge, eave and drainage arrangement follow the approved layout |
| Openings | Clear width × height; ft or mm | Door headroom and framing around service penetrations |
| Equipment loads | Forces and reactions with units | Crane, mezzanine or suspended-equipment loads at their actual locations |
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Site-specific wind, snow, seismic and other design criteria come from the project engineer and governing code. We use the released member and connection drawings for fabrication rather than assigning one load rating to every building.
The member schedule specifies each rolled section or built-up detail and its steel grade. Fabricated H members include web and flange thicknesses; base plates, stiffeners and connection plates carry their own material lines.
| Plate grade | Reference thickness | Minimum yield (ksi) | Tensile strength (ksi) |
|---|---|---|---|
| ASTM A36 | 0.100–6.00 in. | 36 | 58–80 range |
| ASTM A572 Grade 50 | 0.100–4.00 in. | 50 | 65 minimum |
These are material reference values, not building load capacities or shipment test results. The specified grade, product form and thickness govern material acceptance. A US W-section designation and a metric H-section designation remain separate identities in the fabrication schedule.
Galvanized or prepainted steel sheets provide the profiled outer covering. Wave and trapezoidal profiles have different rib and lap geometry. The panel layout uses effective cover width to calculate coverage, with separate lengths around roof edges and wall openings.
Our building range includes EPS, glassfiber, rockwool and PU-core roof panels, with sandwich-panel wall options. The specified core, total panel thickness and metal skins identify the assembly. Thermal and fire requirements apply to that exact panel system, rather than being established by the core name alone.
| Sheet parameter | Catalog value | Quotation detail |
|---|---|---|
| Listed sheet thickness | 0.2–1.2 mm | Quotation identifies the base-steel and coating thickness basis |
| Overall sheet width | 600–1,250 mm | Width of the selected finished profile |
| Effective cover width | 750–1,100 mm | Coverage after the specified side lap |
| Cut length | Panel schedule | Ordered piece length and piece count |
Overall and effective widths are separate catalog ranges across profiles, not matched endpoints. Each quoted profile has its own overall width and cover width, with cover narrower than the sheet. Sheet thickness and panel construction are kept separate in the enclosure schedule.
Cut members, drilled connection holes and welded plates follow the released fabrication detail. End-plate orientation and bolt access matter where rafters meet columns or connect at the ridge. Each shipping piece carries the features required by that joint.
C purlin attachment points must align with the supporting frame. Brace ends and tie-member connections follow the approved connection arrangement, with left- and right-hand details identified where they differ. This keeps similar-looking secondary pieces distinct at assembly.
Base-plate hole positions follow the approved anchor layout and common datum. Plate orientation, column centerline and anchor projection are coordinated with the foundation detail. A field change to a hole or welded plate requires an approved engineering disposition.
Column positions need to work with rack aisles, loading doors and vehicle movement. The end-wall and side-wall opening layout affects secondary framing and panel quantities. A warehouse package is therefore priced from the layout as well as the overall floor area.
If later growth is planned, compare warehouse frame layouts for future expansion before fixing the first building package.
Crane reactions, runway interfaces and equipment clearance affect the steelwork around the working bay. A crane tonnage alone does not describe the wheel loads or support locations. Those interfaces belong in the structural drawings used for the supplied frame.
Ducts, piping, cable routes and suspended equipment need coordinated supports and penetrations. Their locations determine which members receive attachment details and where panels are interrupted. The released opening and support schedule keeps these items in the fabricated package.
Member length, end-plate position and hole layout are checked against the piece drawing. Measurements use the defined datum and member orientation. Fit-related checks cover the parts that must meet at the field connection, not just the overall member length.
Weld type, size and inspection requirements follow the fabrication specification. The inspection plan identifies any required nondestructive examination, its coverage and acceptance criteria. The document schedule states which welding records accompany the order.
Painted members follow the specified preparation and coating system; galvanized members follow the approved fabrication and treatment details. Required coating extent and finish checks are recorded in the inspection plan. Handling damage is checked before packing release.
A mark connects the fabricated piece to its drawing and packing-list entry. Frame position and erection-zone groups distinguish similar members. The agreed release package ties the supplied steel and enclosure quantities to their order records.
Building prices itemize the main frame, secondary steel, plates, preparation and finish. Roof and wall materials are measured separately from steel weight, with packing and freight included in the quotation terms.
Long frames may use approved shipping breaks rather than travel as one assembled member. The transport plan works from packed dimensions and weights, delivery access and unloading arrangements. A transport limit is resolved through the approved connection detail before fabrication.
Columns, rafters and secondary steel are grouped with their piece marks and packing counts. Coated members use protected support and strap contact points. Roof and wall sheets are packed separately with supported stacks and protected edges, so enclosure pieces remain identifiable at receipt.
Yes. A preliminary layout, intended use, building dimensions and destination are enough to start a budget quotation. Its stated scope and assumptions distinguish it from a fabrication order. Production is released against the approved member and connection drawings.
The project’s licensed engineer handles the design and permit documents required by the local jurisdiction. Our supply agreement covers the listed fabricated steel and enclosure materials. Foundation work, erection and site labor belong to the project’s construction scope.
A planned extension needs an end-wall and connection arrangement that allows the future bays to be added. The project engineer defines that arrangement and the required structural checks before the first stage is fabricated. Future expansion is therefore part of the design brief, rather than assumed from the frame type.
Replacement pieces are identified by the original piece mark, drawing revision and quantity. Matching the original section alone can miss a changed hole pattern or attached plate. The replacement quotation uses the complete fabrication detail for that piece.
Crane-related members are quoted from the approved equipment and structural drawings. Crane loads, runway geometry, connection details and required clearances remain part of that project-specific design.
Share your drawings and quantities, or a preliminary building layout, with the destination and the materials you want us to supply. We quote the frame, enclosure options, finish and freight separately, with the drawing basis, production schedule and shipment terms.