SteelDECK — Premium Composite Steel Floor Decking

Technical Guidance

Understanding Steel Decking & Mezzanine Systems

How composite metal decking works and why it is critical for modern infrastructure.

Mechanical Interlock

Once concrete cures, the trapezoidal flutes in the SteelDECK profile create a mechanical interlock between steel and concrete, allowing the two materials to work together as a single composite element. This dramatically increases structural efficiency.

Mezzanine Floor Design

Every warehouse mezzanine and industrial raised platform must be individually designed to specific imposed loads. Our engineers calculate the primary and secondary steelwork based on your layout.

Secondary Roof Integration

The SteelDECK composite floor profiles interface directly with primary columns, while Z, C and Sigma rafter purlins manage the roof structure above. This ensures the entire structure is coordinated and structurally efficient.

Highway & Flyover Construction

Acting as permanent formwork, our high-tensile composite decking eliminates the need for temporary scaffolding over busy roads or waterways. It provides an immediate safe working platform for rapid concrete slab casting while serving as bottom tensile reinforcement.

The Status Quo

The Cost of Conventional Construction

Traditional reinforced concrete floors require extensive temporary propping, conventional steel bar reinforcement and removal of formwork once concrete has cured — adding significant time, cost and site hazard to every pour.

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Construction Delays

Slow erection, shuttering, and long curing cycles delay critical government infrastructure projects.

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Safety Hazards

Unstable temporary propping increases site accident risks on large-scale builds.

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High Labour Costs

Requires skilled carpenters for formwork and extensive manual bar-bending on site.

The Process

From Factory to Floor

Manufacturing

Dispatch

Installation

Concrete Pour

Precision Manufacturing

Roll-formed from high-grade galvanized steel coils using advanced automated machinery to exact length specifications, minimizing site cutting.

Logistics & Dispatch

Bundled and strapped systematically. Delivered directly to site sequenced according to the erection plan.

Rapid Installation

Sheets are laid out across structural beams, interlocked, and secured using shear studs welded through the deck.

Concrete Pouring

Anti-crack mesh is laid, and concrete is poured. The deck supports the wet load immediately without props.

Engineered Profiles

The Precision Trilogy

Three specialized profiles engineered for exact load and span requirements, plus structural safety products.

SteelDECK 44

Short Span

Ideal for short-span applications requiring a highly cost-effective profile with excellent concrete interlocking.

Cover Width910mm

Crest Height44mm

Thickness0.8 - 1.2mm

Widest Cover Width Series 52

SteelDECK 52

Light-to-Medium Span

Leads the market with the industry's largest cover width of 1030mm and a 52mm crest height. Eliminates waste and speeds up installation across large slab areas.

Cover Width1030mm

Crest Height52mm

Thickness0.8 - 1.2mm

Widest Application Range Series 76

SteelDECK 76

General-Purpose

The most versatile profile in the range. Handles mid-range spans with excellent structural efficiency, eliminating the need for propped construction.

Cover Width940mm

Crest Height76mm

Thickness0.8 - 1.2mm

Maximum Load Capacity Series 102

SteelDECK 102

Heavy-Load & Long-Span

Purpose-engineered for demanding composite flooring. Delivers the longest unpropped spans. Natural choice for permanent sacrificial shuttering.

Cover Width725mm

Crest Height102mm

Thickness0.8 - 1.2mm

General-Purpose Composite Decking

SteelDECK 76 Detailed Overview

SteelDECK 76 is the most versatile profile in the range — offering the broadest selection of cover options per unit weight for general-purpose composite flooring applications. At 76mm crest height, it handles mid-range spans with excellent structural efficiency, eliminating the need for propped construction across the widest variety of industrial, commercial and multi-storey building applications.

Key Applications

Multi-storey commercial buildings
Warehouses & Storage mezzanines
Shopping malls, supermarkets, SEZs
Silos, bridges, walkways and platforms

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Widest Application Range

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Dual-Function During Construction

Interactive Technical Dashboard

Rigorous structural data for precise engineering calculations.

Material & Sectional Properties

Yield Strength (MPa)	Thickness (mm)	Weight		Ixx (cm⁴/m)	Zxx (cm³/m)		Moment Cap. Top (kNm/m)	Moment Cap. Bottom (kNm/m)
Yield Strength (MPa)	Thickness (mm)	kg/m²	kg/Rm	Ixx (cm⁴/m)	Top	Bottom	Moment Cap. Top (kNm/m)	Moment Cap. Bottom (kNm/m)
240	0.80	8.419	7.66	26.028	12.143	11.269	2.567	2.569
	1.00	10.524	9.58	32.345	15.041	13.964	3.184	3.184
	1.20	12.629	11.49	38.588	17.887	16.613	3.788	3.788
	1.50	15.786	14.37	47.817	22.059	20.501	4.673	4.673
	1.60	16.839	15.32	50.858	23.423	21.773	4.964	4.964
340	0.80	8.419	7.66	26.028	12.143	11.269	3.678	3.690
	1.00	10.524	9.58	32.345	15.041	13.964	4.573	4.573
	1.20	12.629	11.49	38.588	17.887	16.613	5.440	5.440
	1.50	15.786	14.37	47.817	22.059	20.501	6.713	6.713
	1.60	16.839	15.32	50.858	23.423	21.773	7.131	7.131
550	0.80	8.419	7.66	26.028	12.143	11.269	5.857	5.855
	1.00	10.524	9.58	32.345	15.041	13.964	7.291	7.291
	1.20	12.629	11.49	38.588	17.887	16.613	8.697	8.697

Note: Metallic Coating: ZAM 150, Z 120, Z 275. Color Coating (Optional): Polyester, SMP, PVDF2.

Grade 345 MPa

Thick (mm)	Wt (Kg/m)	Inertia (mm⁴)	Modulus (cm³)	1.0m	1.2m	1.4m	1.6m	1.8m	2.0m	2.2m	2.4m	2.6m	2.8m	3.0m	3.2m
0.8	7.85	5,56,620.30	23.70	3533	2453	1802	1380	1090	883	730	613	523	451	393	345
1.0	9.812	6,88,936.10	29.35	4374	3038	2232	1709	1350	1094	904	759	647	558	486	427
1.2	11.775	8,18,577.50	34.88	5199	3610	2653	2331	1605	1300	1074	903	769	663	578	508

Grade 240 MPa

0.8	7.85	5,56,620.30	23.70	2458	1707	1254	960	759	614	504	427	364	313	273	240
1.0	9.812	6,88,936.10	29.35	3043	2113	1552	1189	939	761	629	528	450	388	338	297
1.2	11.775	8,18,577.30	34.88	3617	2512	1845	1413	1116	904	747	628	535	461	402	353

Grade 345 MPa

Thick (mm)	Wt (Kg/m)	Inertia (mm⁴)	Modulus (cm³)	1.0m	1.2m	1.4m	1.6m	1.8m	2.0m	2.2m	2.4m	2.6m	2.8m	3.0m	3.2m
0.8	7.85	11,58,101.00	43.01	6410	4451	3270	2504	1978	1603	1324	1113	948	818	712	620
1.0	9.812	14,45,398.00	53.61	7990	5548	4076	3121	2466	1997	1651	1387	1182	1019	888	780
1.2	11.775	17,31,818.00	64.16	9562	6640	4879	3735	2951	2391	1967	1660	1414	1220	1062	934

Grade 240 MPa

0.8	7.85	11,58,101.00	43.01	4459	3097	2275	1742	1376	1115	921	774	660	159	495	435
1.0	9.812	14,45,398.00	53.61	5558	3860	2836	2171	1715	1390	1148	965	822	709	618	543
1.2	11.775	17,31,818.00	64.16	6652	4619	3394	2598	2053	1663	1374	1155	984	848	739	650

Grade 345 MPa

Thick (mm)	Wt (Kg/m)	Inertia (mm⁴)	Modulus (cm³)	1.0m	1.2m	1.4m	1.6m	1.8m	2.0m	2.2m	2.4m	2.6m	2.8m	3.0m	3.2m
0.8	7.85	20,41,822.72	56.41	8408	5839	4290	3284	2595	2102	1737	1460	1244	1072	934	821
1.0	9.812	25,39,741.45	70.14	10454	7260	5334	4084	3227	2614	2160	1815	1547	1333	1162	1021
1.2	11.775	30,32,699.68	83.73	12479	8666	6367	4874	3851	3120	2578	2166	1846	1592	1387	1219

Grade 240 MPa

0.8	7.85	20,41,822.72	56.41	5849	4062	2984	2285	1805	1462	1208	1015	865	746	650	571
1.0	9.812	25,39,741.45	70.14	7273	5050	3711	2841	2245	1818	1503	1262	1076	928	338	710
1.2	11.775	30,32,699.68	83.73	8681	6028	4429	3391	2679	2170	1794	1507	1284	1107	965	848

PROJECT ENQUIRY

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For EPC contractors, government project procurement teams, structural consultants, and PWD-empanelled contractors. Share your project requirement and we will respond within 2 business hours on working days.

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The Gold Standard in Composite Floor Decking

Understanding Steel Decking & Mezzanine Systems

Mechanical Interlock

Mezzanine Floor Design

Secondary Roof Integration

Highway & Flyover Construction

The Cost of Conventional Construction

Construction Delays

Safety Hazards

High Labour Costs

From Factory to Floor

Precision Manufacturing

Logistics & Dispatch

Rapid Installation

Concrete Pouring

The Precision Trilogy

SteelDECK 44

SteelDECK 52

SteelDECK 76

SteelDECK 102

SteelDECK 44 Detailed Overview

Key Specifications

SteelDECK 52 Detailed Overview

Key Applications

SteelDECK 76 Detailed Overview

Key Applications

SteelDECK 102 Detailed Overview

Key Applications

Secondary Roof Structure Integration

Interactive Technical Dashboard

Burly Deck (44/130) – Technical Specifications

SteelDECK 52 – Load Calculation Table

SteelDECK 76 – Load Calculation Table

SteelDECK 102 – Load Calculation Table

Government & Civil Applications

Highway Projects & Flyovers

Bridges & Walkways

Railway Bridges & Crossovers

Agri-Storage & Silos

Process Industries

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Project Enquiry Form

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