RBJ Brick & Block
Cement complying with SABS EN 197-1/SANS 50197
strength class 32.5N
Sand is especially important for mortars and plaster and
is the main cause of cracking in plasters.
Lime helps newly mixed mortar retain water when it is placed
on dry cement bricks or concrete blocks. This helps to prevent cracking of
the hardened mortar.
Mortar SA
One of biggest reasons for cracks is incorrect quantities and inadequite mixing
of the ingredients. Dry mix mortar is factory produced in a controlled environment
to give you a guaranteed strength and consistency of sand and cement. Visit
www.mortarsa.co.za for more detail.
