Overview

Sephaku 42.5N is a versatile cement for building and civil work that needs dependable strength

With normal strength gain and long-term durability, Sephaku 42.5N is made for projects where the work gets bigger and the cement needs to keep up.

Sephaku

42.5N

Strength class
42.5N
Cement type
CEM II/A-L or CEM IV/A-V
Standard
SANS 50197-1:2013
Packaging
50 kg bag & bulk

Specifications

Sephaku 42N is a 42,5N (CEM II/A-L or CEM IV/A-V) general purpose cement and fully complies with the requirements for a strength class 42,5N in the South African National Standard SANS 50197-1:2013.

The ‘N’ denotes normal strength gain and the addition of high-grade cement extenders ensures professional quality and less water to produce a cohesive mix and long-term durability.

Benefits

  • Ideal across a wide range of building and civil work.
  • For use in the manufacture of concrete products.
  • Suitable for all types of ‘home’ concrete.
  • Extremely versatile and general purpose product for a wide range of concrete, mortar and screed applications.
  • Less water to produce a cohesive mix and long-term durability.
Application

One cement, a wide range of applications

High strength concrete

Improved water tightness, columns, slabs and heavy-duty industrial floors.
25 – 30 MPa
  • x 1 – Cement
  • x 2 – Sand
  • x 2 – Stone
  • x 9 – Bags per m³

Medium strength concrete

Paths, driveways and light-duty floors.
20 – 25 MPa
  • x 1 – Cement
  • x 2.5 – Sand
  • x 2.5 – Stone
  • x 7.5 – Bags per m³

Low strength concrete

Foundations, footings, ‘home’ concrete, e.g. domestic flooring, steps, paths and fencing.
10 – 15 MPa
  • x 1 – Cement
  • x 4 – Sand
  • x 4 – Stone
  • x 5 – Bags per m³

Mortar (general purpose)

Bricklaying and plastering.
5 MPa
  • x 1 – Cement
  • x 6 – Sand
  • x 6.5 – Bags per m³

Dry, lean mixes

Brick and block manufacture.
–
  • x 1 – Cement
  • x 8 – Sand
  • x 5 – Bags per m³
Other products

Explore our other cements

Cement name
32.5N
Best for
  • Stabilisation
  • Road application
Cement name
32.5R
Best for
  • General purpose
  • Home building
Cement name
42.5R
Best for
  • Fast turnaround
  • Form removal
Cement name
52.5N
Best for
  • High performance
  • Structural work