GRADING SYSTEM IN SS READYMIX CONCRETE: M-10 GRADE: Used for: Patio slabs, pathways and non-structural work, ONLY FOR DUMPING Type: Domestic & commercial use M-15 GRADE: Used for: ONLY DUMPING and floor blinding Type: Domestic & Commercial M-20 GRADE: Used for: Domestic floors and foundations (where the weight of structure will be lighter). Also good for workshop bases, garages, driveways and internal floor slabs.ITS A PUMPING GRADE Type: HOUSES SLABS M-25GRADE: Used for: Construction in all areas. Multi-purpose concrete mix, usually used for foundations. Type: HOUSES AND APARTMENTS & Commercial M-30GRADE: Used for: Pathways and roadways (this is the lowest grade concrete mix that can be used for this purpose). More durable than the grades that have come before, and thus is much more weather-resistant and can take heavy road traffic. Type: Commercial and cc roads M-35GRADE: Used for: Commercial structures. This heavy concrete mix is usually used for creating external walls and slabs, as well as for structural piling. Type: Commercial and PT SLABS M-40GRADE: Used for: Commercial construction sites, creating foundations and beams for structural support and roads. The most durable in this list, M-40 can withstand chemical corrosion also, so is frequently used on farms where slurry could corrode structures, or in septic tanks. Type: Commercial and BRIDGE WORKS We hope you found this guide useful, and if you are interested in learning more, visit our blog for more information on the concrete types available to you. SS RMC DEALERS IN HYDERABAD.