Mert Group Chairman Mr. Vahap Kanitoglu at the Zero Waste Forum – Istanbul, 17 October 2025 Organized by the Zero Waste Foundation, the Zero Waste Forum in Istanbul became a major international gathering aimed at transforming our relationship with materials, consumption, and the environment.
Water Saving Starts Underground: How Smarter Drainage Protects a Thirsty World Droughts and deluges are now the norm. Smarter drainage, pretreatment, and maintainable access points help cities and sites save water, prevent overflows, and enable reuse.
30 Years On, Still Protecting Istanbul: Rainwater Grates at Süleymaniye Mosque When it comes to preserving Istanbul’s cultural treasures, every detail matters—even beneath your feet. For three decades, our rainwater grates have been quietly protecting the grounds of the iconic Süleymaniye Mosque, enduring the elements and heavy foot traffic without missing a beat.
Cast Iron D400 Manhole Covers: A Reliable Choice for Modern Infrastructure A D400 manhole cover is a heavy-duty cast iron access cover designed to withstand loads up to 400 kN (approx. 40 tonnes), as specified by the EN 124 standard (Class D400). Manufactured from ductile cast iron (EN-GJS-500-7), it offers high strength, resistance to deformation, and long-term durability.