SEPHAKU 42

Sephaku 42 is a 42,5N general purpose blended cement and is extremely versatile. This is a general purpose product for a wide range of concrete, mortar and screed applications.

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. Sephaku blended cements have lower embodied CO2 as a result of a proportion of the clinker of the base cement being replaced by a high grade alternative cementitious addition.

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

APPLICATIONS

  • 1 wheelbarrow load of cement in volume = 2 x 50 kg bags.

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 m2

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 m2

LOW STRENGTH CONCRETE

Foundations, footings, ‘home’ concrete, e.g. domestic flooring, steps, paths and fencing.
10 – 15 MPa

  • x 1 – Cement
  • x 3.5 – Sand
  • x 3.5 – Stone
  • x 5 – Bags per m2

MORTAR (GENERAL PURPOSE)

Bricklaying and plastering.
5 MPa

  • x 1 – Cement
  • x 6 – Sand
  • x 6.5 – Bags per m2

DRY, LEAN MIXES

Brick and block manufacture.

  • x 1 – Cement
  • x 8 – Sand
  • x 5 – Bags per m2

TIPS & KNOW-HOW

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