Did you think that the ‘profile’ of a galvanised roof sheet was just for show?

You might be surprised to discover that roof sheeting is moulded into profiles for several important reasons.


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From strength to water management, air flow to noise reduction and ease of use, those rooftop patterns that just seem perfectly matched to the homes below them, carry a slew of functions and advantages that go far further than skin deep.

Structural Integrity
Profiled sheets are more structurally stable compared to flat sheets. The profiles add rigidity and strength to the sheeting, which allows them to span longer distances between support structures, such as rafters and purlins, without sagging or buckling under the weight of rain, or other loads. This is especially important for roofing materials, which need to withstand environmental stresses.

trapizoidal profile

Water Drainage
The raised profiles on galvanized roof sheeting provide channels and ridges that help direct rainwater away from the roof's surface. This design prevents water from pooling on the roof, reducing the risk of leaks and water damage.

Improved Aesthetics

Profiled sheets add a textured and visually appealing dimension to roofs. These profiles can enhance the overall appearance of a building, making it more attractive and architecturally interesting. Different profiles can be chosen to match the style and design preferences of the structure.

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Ventilation and Insulation

The air gaps created by the profiles can aid in ventilation and insulation. Proper ventilation helps regulate temperature and moisture levels inside the building, while the air gaps provide space for insulation materials, increasing energy efficiency and thermal comfort.

Noise Reduction

The profiles can help reduce noise from rain or other environmental factors, making the interior of the building more comfortable and quieter.

Material Efficiency

By moulding galvanized steel into profiles, we can optimize material usage. Profiled sheets can provide the necessary strength and functionality with less material compared to flat sheets. This efficiency can reduce the overall cost of production and transportation.


Easy Installation

Profiles often include features that make installation easier.
The overlap process is, in itself time saving and increases precision and speed, also reducing labor costs.

Longevity and Durability

Galvanizing involves coating the steel with a layer of zinc, providing corrosion resistance. When sheeting is moulded into profiles, the zinc coating remains intact, ensuring the material's longevity and durability even in harsh weather conditions.


Various profiles are available, each with unique characteristics suited for different applications and climates. Builders can choose the most appropriate profile to meet their specific needs.


Moulding galvanized roof sheeting into profiles enhances structural integrity, drainage, aesthetics, ventilation, insulation, noise reduction, and ease of installation. It also optimizes material usage and provides the longevity and durability required for a durable and reliable roofing system.

We pride ourselves in playing a major role in material fabrication and prompt supply to the construction industry throughout the Caribbean, with consolidated shipments to get every project on its way, quickly and efficiently.  Our cost effective ex factory pricing will also be of greatest benefit to your budget.

Be safe and secure for every Caribbean season by choosing ECMIL, a quality steel supplier with a proven record of price and prompt supply.

Contact our highly experienced sales staff today and find out why we are The Steel of the Region.

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NB. This article is for general information purposes only and is meant as an incentive to the reader, who should then research and seek advice from their architectural and construction professionals to confirm that the ideas expressed are possible within the building codes of their territory or within the limitations of their home's architecture. ECMIL only recommends their own products and third party products which they supply, as part of their company's roofing solutions to customers.