SEPHAKU 42

Sephaku 42 is a 42,5R early strength cement ideally suited where faster demoulding or striking/striping of formwork is beneficial. Ideal for all types of building and civil work and suitable for ready-mix and site-batched concrete, mortar and screeds.

Sephaku 42R is a type CEM II/A-V 42,5R early strength cement and is manufactured to fully conform to the requirements of strength class 42,5R in accordance with South African National Standard SANS 501971:2013.

Sephaku 42R is rated ‘R’ in terms of early rapid strength development which makes it ideally suited where faster demoulding or striking/stripping of formwork is beneficial.

BENEFITS

Ideal for all types of building and civil work

For use in the manufacture of concrete products

Suitable for ready-mix and site-batched concrete, mortar and screeds

Exhibits early strength which improves stripping time

Benefits of reduced water demand make concrete easier to flow and pump, resulting in improved surface finish

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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