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A Heel Guard Run Set Into Stone Paving
A drainage line crossing stone paving at a building entrance, photographed by the factory with the panels set flush into the paving module.
The Challenge
A drainage run that had to cross the walking route into a building without catching heels, cane tips or castors, and without interrupting the paving pattern.
Customer Pain Points
- Standard grating slots are wide enough for a heel to drop into
- Panel lengths that ignore the paving module break up the joint lines
- Rusting slot edges are the most visible failure there is on new paving
What Was Specified
Heel guard grating on a 30x2.5 bearing bar with the pitch closed down, cut to the paving module, banded and hot-dip galvanized after fabrication so the visible slot edges are coated.
The Result
The run sits flush with the paving and follows the joint lines. The photograph the factory publishes shows the completed threshold.
Client name, contract value and quantity are not published by the source site and are not invented here. The photograph is the factory’s own.
How Work Like This Is Built
Drawing And 3D Model
A grating that is wrong on paper is wrong in steel, and steel is expensive to be wrong in.
The design team models the panel, the frame and the opening it has to sit in before any bar is cut, so bearing bar pitch, panel division and frame clearance are agreed in a drawing rather than discovered on site.
Material Selection
Carbon steel and stainless steel fail in completely different places.
Carbon steel with a hot-dip galvanized coat for general traffic and drainage, stainless steel with acid passivation where washdown, chloride or food-grade cleaning is involved. Aluminium alloy is produced where weight is the constraint.
Cutting And Stamping
Bar ends that are not square never sit flat in a frame.
Bearing bar and cross bar stock is cut and stamped on the plant’s laser cutting and stamping equipment, which is also what makes serrated and toothed edges repeatable across a batch.
Pressure Welding Or Press Locking
The joint between bearing bar and cross bar is the whole strength of a panel.
Welded panels are produced on the automatic pressure welding line. Press locked panels are assembled by forcing the cross bar into the bearing bar under pressure, which is what gives a flush top surface without a weld bead.
Framing And Fabrication
Most grating complaints are about edges, not about the mesh.
Banding bar, end plates, hooks, hinges, lifting handles and cut-outs for pipework are fabricated to the drawing, so the panel arrives as a finished cover rather than as a sheet to be trimmed on site.
Surface Treatment
The coating decides how many winters a panel survives.
Hot-dip galvanizing, electroplated galvanizing, painting or acid passivation, chosen against the environment the panel will live in rather than against the invoice.
Inspection Before Packing
A panel that does not drop into its frame is scrap once it is in a container.
Panels are checked against the drawing for size, squareness, bar pitch and coating finish before they are banded and stacked.
Packing And Export
Grating is heavy, sharp and easy to damage in transit.
Panels are stacked flat, banded and packed for sea freight, which is the route most of this plant’s output takes.
Products From The Families Involved
Heel Guard Grating 30x2.5 Paving Slot Run
Narrow-slot heel guard panels on 30x2.5 bearing bar with 8x2 cross bar, hot-dip galvanized, set flush into stone or concrete paving.
See the specification
Heel Guard Grating 30x2.5 Framed Panel
Heel guard panel on 30x2.5 bearing bar with 8x2 cross bar, supplied fully framed and banded as a single drop-in unit, hot-dip galvanized.
See the specification
Heel Guard Grating 25x6 Stainless Steel
Stainless steel heel guard panel on 25x6 bearing bar with 6x6 cross bar, acid passivated, for washdown floors and visible interior runs.
See the specificationProduct Families On This Page
Planning A Project Like This
Send a photograph of the position, the mounting available and the quantity you are planning. A drawing and a quotation come back by email.