Metal Decking Explained: Types, Profiles, and Use Cases
- Shahir Hamza
- Aug 12
- 2 min read
Table of Contents
Introduction
Metal decking is a versatile and durable building material used in modern construction.
In Malaysia, it’s commonly used for commercial, industrial, and residential projects due to its strength, ease of installation, and cost-effectiveness.
What is Metal Decking?
A structural platform made from corrugated metal sheets.
Provides support for roofing systems, concrete slabs, or both.
Often made from galvanized steel for rust resistance.
Designed in various thicknesses and shapes for different load requirements.
Types of Metal Decking
Roof Decking
Supports roofing insulation and membranes.
Used in warehouses, factories, and high-rise buildings.
Composite Floor Decking
Designed to bond with concrete to create a composite floor system.
Common in multi-storey car parks and office buildings.
Form Decking
Serves as a form for concrete during pouring.
Not designed for composite action.
Acoustic Decking
Incorporates perforations and insulation for sound control.
Used in auditoriums and theatres.
Common Metal Decking Profiles
Trapezoidal Profile: Strong, lightweight, and widely used for roofing.
Rectangular Rib Profile: Provides a flat surface for certain finishes.
Deep Deck Profile: Higher load capacity for long spans.
Acoustic Profile: Perforated design for noise reduction.
Use Cases for Metal Decking
Commercial buildings (offices, malls)
Industrial facilities (factories, warehouses)
Residential projects (condominiums, landed houses)
Infrastructure (bridges, parking structures)
Advantages of Metal Decking
High strength-to-weight ratio.
Reduced need for temporary formwork.
Fire-resistant coatings available.
Compatible with various architectural designs.
Did You Know?
Metal decking can be designed to span over 3 metres without intermediate support, reducing construction costs and time.
Conclusion
Metal decking offers strength, flexibility, and efficiency.
Choosing the right type and profile depends on your project’s load, span, and design requirements.
FAQ
1. How long does metal decking last?
With proper maintenance, over 40 years.
2. Is metal decking suitable for residential homes?
Yes, especially for modern flat-roof designs and mezzanine floors.
3. Can metal decking be reused?
Yes, if it’s in good condition after dismantling.
4. Does metal decking require painting?
Galvanized decking doesn’t, but painting can add extra protection.
5. How much does metal decking cost in Malaysia?
It varies by thickness and profile, averaging RM15–RM30 per square foot.
🏗️ Need expert advice on metal decking for your project? Contact our Malaysian construction specialists here for a free consultation.
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