{"id":18018,"date":"2026-09-08T11:18:42","date_gmt":"2026-09-08T10:18:42","guid":{"rendered":"https:\/\/www.fhbrundle.co.uk\/lp\/?page_id=18018"},"modified":"2026-09-16T13:22:52","modified_gmt":"2026-09-16T12:22:52","slug":"open-steel-flooring-and-stair-treads","status":"publish","type":"page","link":"https:\/\/www.fhbrundle.co.uk\/lp\/product-range-overviews\/open-steel-flooring-and-stair-treads\/","title":{"rendered":"Open Steel Flooring & Stair Treads [F.H.Brundle]"},"content":{"rendered":"

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Why choose Open Steel Flooring & Stair Treads?<\/h1>\n<\/div><\/div><\/div><\/div><\/div>

What are Open Steel Flooring & Stair Treads?<\/h2>\n<\/div>

Open Steel Flooring and Stair Treads<\/a><\/u><\/b><\/span>, <\/span>are high-strength, industrial-grade, mesh-like panels designed to provide safe, durable, and reliable walking surfaces for platforms, walkways, staircases and steps. <\/span><\/p>\n

They feature a grid pattern that maximizes load-bearing capacity while allowing light, air, and liquids to pass through freely, making them highly practical for safety and drainage. Manufactured from premium mild steel to British Standards (BS EN 100025-1 S275 JR), they are available in both self-colour and weather-resistant galvanised finishes. <\/span><\/p>\n<\/div>

View the range of Open Steel Flooring & Stair Treads<\/span><\/a><\/div><\/div><\/div>
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What are the choices when it comes to
\nOpen Steel Flooring & Stair Treads?<\/h3>\n<\/div><\/div><\/div><\/div><\/div>

At F.H.Brundle<\/a><\/u><\/b>, w<\/span>hen choosing open steel flooring and stair treads<\/a><\/u><\/b>, you can select between a Self-Colour finish or weather-resistant Galvanised coating, with options for standard or serrated slip-resistant surfaces. Additionally, choices include various bearer bar sizes (like 25 or 30mm thickness), full-size 6 x 1m stock panels or custom fabricated layouts, and matching pre-drilled stair treads to fit specific ball-proof configurations.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div>

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\n\n\n\n\n\n\n\n\n\n
Feature Category<\/span><\/th>\nKey Benefit<\/span><\/th>\nDetail<\/span><\/th>\n<\/tr>\n<\/thead>\n
Material Finish<\/td>\n Tailored environmental protection<\/span><\/td>\nAvailable in Self-Colour (uncoated for internal use or post-treatment) or Galvanised (for excellent outdoor corrosion resistance).<\/td>\n<\/tr>\n
Slip Resistance<\/td>\nEnhanced worker and pedestrian safety<\/td>\nChoose between standard smooth bearer bars or a serrated edge profile for extra grip in wet, oily, or high-risk areas.<\/td>\n<\/tr>\n
Sizing & Configuration<\/td>\nAdaptability to project scale<\/td>\nSupplied in 6 x 1, 3 x 1, and 1 x 1m stock panels.<\/td>\n<\/tr>\n
Load-Bearing Strength<\/td>\nRobust structural integrity<\/td>\nManufactured from high-quality mild steel conforming to BS EN 100025-1 S275 JR, with bar options including 25 x 3mm, 25 x 5mm, and 30 x 3mm.<\/td>\n<\/tr>\n
Staircase Integration<\/td>\nFast and straightforward installation<\/td>\nPrefabricated stair treads come equipped with pre-drilled end plates (\u00d815mm slots) to bolt directly onto stringers, matching 35mm ball-proof or 41\/100 pitches.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div><\/div><\/div><\/div>
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“Open Steel Flooring and Stair Treads are the ultimate, heavy-duty solution for creating safe, structurally sound industrial walkways and multi-level platforms. You get a robust, grid-like configuration built with full-length rectangular bearer bars that drastically increases structural capacity and underfoot drainage, ensuring that light, air, and liquids pass through seamlessly without pooling.”<\/i><\/h4>\n<\/div><\/div><\/div>
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Where can Open Steel Flooring & Stair Treads be used?<\/h3>\n<\/div><\/div><\/div><\/div><\/div>

Open Steel Flooring and Stair Treads<\/a><\/u><\/b> are highly versatile and designed for a wide variety of industrial, commercial, and domestic applications.<\/p>\n<\/div><\/div><\/div><\/div><\/div>

\u2022 <\/b>Walkways and Gantries: <\/span>Providing safe, continuous pedestrian paths around factories, warehouses, and industrial plants.
\n<\/span>\u2022 <\/span>Platforms and Fire Escapes: <\/span>Creating secure, multi-level structural platforms and external emergency exit staircases where dependable strength is required.
\n<\/span>\u2022 Industrial Staircases: <\/span>Used in conjunction with matching stair treads to build robust, heavy-duty stairs that tie directly into supporting stringers.
\n<\/span>\u2022 Outdoor and Weather-Exposed Environments: <\/span>Thanks to the galvanised finish options and the open-grid mesh design, they are ideal for outdoor areas because they allow rainwater, ice, and debris to drain through freely, maintaining a slip-resistant surface.
\n<\/span>\u2022 <\/span>High-Risk Safety Zones: <\/span>Utilising the serrated edge options, they are frequently installed in areas prone to oil, liquid spills, or moisture to ensure maximum traction underfoot.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div>

Order Open Steel Flooring & Stair Treads for Delivery in 48 hours<\/span><\/a><\/div><\/div><\/div><\/div><\/div>

Why are Open Steel Flooring & Stair Treads so popular?<\/h3>\n<\/div><\/div><\/div><\/div><\/div>

Open Steel Flooring and Stair Treads<\/a><\/u><\/b> are highly popular in industrial, commercial, and domestic construction due to several key advantages:<\/span><\/p>\n

(1) <\/b><\/span>High Strength-to-Weight Ratio:<\/b> Built with rectangular bearer bars that run the full length of the panels, they offer exceptional load-bearing capacity and structural integrity while remaining relatively lightweight compared to solid steel plates.<\/span><\/p>\n

(2) <\/b><\/span>Excellent Drainage and Self-Cleaning:<\/b> The open-mesh grid design allows water, oil, snow, and debris to fall straight through. This prevents liquid pooling and ice build-up, which keeps walkways clear and safe.<\/span><\/p>\n

(3) <\/b><\/span>Superior Safety and Slip Resistance:<\/b> With the option of a serrated edge finish, they provide maximum traction and grip underfoot, making them a go-to choice for high-risk, wet, or oily environments.<\/span><\/p>\n

(4) <\/b><\/span>Durability and Weather Resistance:<\/b> Manufactured to British Standards (BS EN 100025-1 S275 JR), they are available with a Galvanised finish that offers long-lasting protection against corrosion and rust, even when exposed to harsh outdoor elements.<\/span><\/p>\n

(5) <\/b><\/span>Ease of Installation and Versatility:<\/b> Standard stock panels (6 x 1, 3 x 1, and 1 x 1m)  can be easily customised, fabricated, and fully bound to fit specific layouts. Furthermore, matching stair treads come pre-fitted with drilled end plates, allowing them to be bolted directly onto supporting stringers quickly and efficiently.<\/span><\/p>\n

(6) <\/b><\/span>Permeability for Light and Air:<\/b> The open grid allows light and air to circulate freely between multi-level platforms, improving visibility and ventilation in industrial workspaces.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div>

Open Steel Flooring Comparison & Load-Bearing Table<\/h3>\n<\/div>

Calculated based on standard industrial pedestrian loading (5.0 kN\/m\u00b2 UDL \/ 1.5 kN Concentrated Point Load) in accordance with BS 4592 specifications.<\/p>\n<\/div><\/div><\/div><\/div><\/div>

\n
\n\n\n\n\n\n\n\n\n\n\n\n
Specification Parameter<\/th>\n20 \u2013 25mm Ball Proof<\/span><\/th>\n30 \u2013 35mm Ball Proof<\/span><\/th>\nStandard Utility Panels (e.g., 41\/100)<\/th>\n<\/tr>\n<\/thead>\n
Primary Safety Mandate<\/strong><\/td>\nHigh-Risk Overhead Zones:<\/b>
Mandatory where personnel permanently work or operate machinery directly underneath.<\/td>\n		Low-Risk Overhead Zones:<\/b>
Used where personnel occasionally pass below the walkway or platform.<\/td>\n		Zero Overhead Risk:<\/b>
Trench covers, ground-level walkways, or elevated platforms with no access beneath.<\/td>\n<\/tr>\n
Max Sphere Passage<\/strong><\/td>\n\u2264 20 \u2013 25mm<\/td>\n\u2264 30 \u2013 35mm<\/td>\n> 35mm (Typically 40 \u2013 41mm)<\/td>\n<\/tr>\n
Mesh Pitch (Typical)<\/strong><\/td>\n21 \u00d7 100mm<\/td>\n30 \u2013 37 \u00d7 125mm<\/td>\n41 \u00d7 100mm<\/td>\n<\/tr>\n
Weight Comparison (Self-Colour)<\/strong><\/td>\nHighest<\/b> (~28 \u2013 35 kg\/m\u00b2)*<\/td>\nMedium<\/b> (~22 \u2013 26 kg\/m\u00b2)*<\/td>\nLightest<\/b> (~18 \u2013 22 kg\/m\u00b2)*<\/td>\n<\/tr>\n
25 \u00d7 3mm
Bearer Bar<\/strong><\/td>\n		\n

Max Clear Span: 820mm<\/b><\/p>\n

Self Weight: ~28.5 kg\/m\u00b2<\/b><\/p>\n<\/td>\n

\n

Max Clear Span: 875mm<\/b><\/p>\n

Self Weight: ~21.2 kg\/m\u00b2<\/b><\/p>\n<\/td>\n

\n

Max Clear Span: 910mm<\/b><\/p>\n

Self Weight: ~18.7 kg\/m\u00b2<\/b><\/p>\n<\/td>\n<\/tr>\n

30 \u00d7 3mm
Bearer Bar<\/strong><\/td>\n		\n

Max Clear Span: 990mm<\/b><\/p>\n

Self Weight: ~33.8 kg\/m\u00b2<\/b><\/p>\n<\/td>\n

\n

Max Clear Span: 1,060mm<\/b><\/p>\n

Self Weight: ~24.8 kg\/m\u00b2<\/b><\/p>\n<\/td>\n

\n

Max Clear Span: 1,110mm<\/b><\/p>\n

Self Weight: ~21.9 kg\/m\u00b2<\/b><\/p>\n<\/td>\n<\/tr>\n

40 \u00d7 3mm
Bearer Bar<\/strong><\/td>\n		\n

Max Clear Span: 1,310mm<\/b><\/p>\n

Self Weight: ~44.2 kg\/m\u00b2<\/b><\/p>\n<\/td>\n

\n

Max Clear Span: 1,400mm<\/b><\/p>\n

Self Weight: ~32.5 kg\/m\u00b2<\/b><\/p>\n<\/td>\n

\n

Max Clear Span: 1,470mm<\/b><\/p>\n

Self Weight: ~28.6 kg\/m\u00b2<\/b><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Note: Weights and spans vary slightly based on exact bearer bar dimensions and whether hot-dip galvanising is applied. Spans reflect maximum clear span based on deflection limits (L\/200<\/span> or 10mm max deflection).<\/p>\n<\/div><\/div><\/div><\/div><\/div>

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FAQs<\/h3>\n<\/div><\/div><\/div><\/div><\/div>