Tag concrete grades

Concrete Technology

Understanding Concrete Grades: What M20, M25 and M30 Actually Mean on Site

Every concrete pour on a Kenyan site carries a number behind it.. M15, M20, M25, M30. Contractors call it out on the delivery note, engineers spec it on the drawing, and yet many site teams still cannot explain what that…

Joyce Kanyiri
August 24, 2026
1 Comment

Concrete Technology

Concrete Mix Design: What Every Civil Engineer Must Know About Grades, Mixes, and Testing

Every concrete element on a construction site has a specification. The specification tells you what grade of concrete to use, what water-cement ratio to target, and what compressive strength it must achieve at 28 days. But most people on site…

Joyce Kanyiri
June 23, 2026
1 Comment