2 reasons why Iron sheet roofs in Mombasa are less durable and ways of increasing their durability

By Bunady On Jun 17, 2025

Iron sheet roofs in Mombasa face several challenges when it comes to durability, primarily due to the coastal environment and specific installation practices.

1. Corrosion from Saltwater: Mombasa is a coastal city, and the salty air significantly contributes to the corrosion of iron sheets. The salt from the ocean can settle on the roof, causing oxidation and rust.

Over time, this corrosion weakens the iron sheets, leading to holes, leaks, and overall deterioration.

2. Extreme Heat and UV Exposure: The intense heat and direct sunlight in Mombasa accelerate the wear and tear on iron sheet roofs. The combination of high temperatures and UV radiation causes the metal to expand and contract, which can lead to cracking and loosening of joints. This also weakens the paint and protective coating, which would otherwise shield the iron from further degradation.

Ways to Increase Durability:

1. Use of Galvanized or Stainless Steel Sheets: Galvanized iron sheets, which are coated with zinc, offer better resistance to rusting compared to regular iron sheets. Stainless steel sheets are another durable alternative, as they are highly resistant to corrosion and can withstand the salty air for longer periods.

2. Regular Maintenance and Coating: To prolong the life of iron roofs, regular maintenance is essential. Repainting the roofs with specialized anti-corrosive paint can create an additional protective layer. Additionally, applying protective coatings or sealants will reduce the impact of direct sunlight and prevent moisture from reaching the surface of the roof……READ ORIGINAL & FULL CONTENT HERE