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Before acrylic render there was cement render which is now considered old school. Builders who are meticulous in their finished product still prefer cement render as it will achieve 100% straightness. There are finishes that can only be achieved in cement render, for example oxide finish which gives a heritage look and that is mainly used in inner suburbs to match existing render when extending old houses.
Some of the finishes associated with cement render are stucco (rough
cast) and oxide finish.
Application of Cement Render
To apply cement render successfully there are various additives that
need to be used like waterproofing and adhesive chemicals. On old or
smooth brickwork a splash coat with cement and best bond is required as
cement render alone will not adhere properly to the surface. As cement
render is a European technology it is best used with bessa blocks or
cement blocks more commonly. Another crucial part of cement render is it
requires a coat of sealer on the base coat before any acrylic texture
can be applied to optimise water proofing and adhesion. If a coat of
sealer is required anyway in certain circumstances one coat of sealer on
top of the texture is sufficient.
Texture
The acrylic base coat needs to be 100% dry on any substrate before the
texture is to be applied. The right temperature and humidity is vital to
the application of acrylic texture as it requires consistency to dry up
properly. Texture shouldn’t be applied in extreme weather (below 14
degrees Celsius or over 43). A coat of sealer is strongly recommended by
the manufacturer for projects close to the beach as the salty moisture
can cause rust in the acrylic render.
Due to the large variety of finishes and colours in texture it’s hard to
carry all samples therefore we recommend visiting supplier’s website for
details or we can provide you with samples if requested. The application
of texture varies from trowel on, spray on and roll on.
