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SON, operators unveil new guidelines for roofing sheets


Osita Aboloma

The Standards Organisation of Nigeria (SON) and stakeholders in the galvanized steel roofing sheets have partnered to improve the modification of existing roofing sheets for better performance and efficiency.

Indeed, the standards body, inundated with complaints over the thickness and coating of galvanized steel sheets in the country, decided to address the concerns by elaborating the standards.

According to SON, the need to improve on the quality and thickness of steel roofing sheets cannot be overemphasized.Speaking on the development, the Director General, SON, Osita Aboloma, stated that the new zinc, aluminium and magnesium roofing sheets is five times better and stronger than the existing zinc coating roofing sheets.


He spoke during a technical committee meeting with stakeholders in the galvanized roofing sheets to elaborate on standards for Zinc, Aluminium and Magnesium coated steel sheet for general application in Lagos,

The SON boss who was represented by the Assistant Director and Head, Mandatory Conformity Assessment Programme (MANCAP) Unit, SON, Fred Akingbesote, said “It is a new technology and this is why we are preparing a standard in conjunction with all the stakeholders. To us, the end user is our priority in drafting standards.

“We have considered the cost and the longevity, because there is no need to put a product into the market and nobody buys it. The zinc, aluminium and magnesium coating will be suitable and would also give the common man value for money spent.”

He however stated that the zinc coated steel sheets would still be in the market, stressing that the zinc, aluminium and magnesium would serve as alternatives depending on the choice of the consumers.

“This standard is not just for roofing sheets, but for general application. There are various thickness and coating levels depending on the application,” he said.

Also, the Chairman of the committee from the University of Lagos, Department of Metallurgical and Materials Engineering, Dr. Henry Mgbemere, said standards keep evolving, adding that the technical meeting was specifically targeted at keeping stakeholders abreast of latest technologies used around the world.

In his words, “Before now, we have been using the zinc coating for coating steel products for roofing, but there is a recent development and we have to key into what is happening around the world, which means there is need for a new standard that would take care of the zinc, aluminium and magnesium coating for general application.”

According to him, when the standards are approved, the common man would be able to purchase more durable and affordable products, adding that the zinc, aluminium and magnesium coated roofing sheets is more like a composite material that would give consumers value for their hard earned money spent.


“This meeting will provide a workable document that will be agreeable to the manufacturers so that they produce goods that the end users will find consumable. Nigeria is still more of an import dependent country, but I believe that with the review of the standards and other ones we will gradually move from an import dependent country to a country that manufactures for export,” he said

The Executive Director, Midland Galvanising Products Limited, Raj Singh, said zinc, aluminium and magnesium coated roofing sheet is a five time better corrosion resistant product suitable for the Nigerian environment, pointing out that the life span of the product is five times better than the zinc coated steel roofing sheet.

“Zinc coating is a sacrificial corrosion, but if you add aluminium and magnesium, the corrosion reduces drastically. This trend is the same all over the world. This is a pride for Nigeria and with the help of SON and stakeholders in the industry, Nigerian consumers should expect nothing but quality when the standard is finally approved from the standards council,” he said.

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Osita AbolomaSON
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