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Author: Joao Franco

Cement Render x Acrylic Render – What are the differences?

Cement Render x Acrylic Render – What are the differences?

One of the greatest doubts with regards to facade’s rendering is whether to apply cement render or acrylic render. Even though the final appearances of both renders are selfsame, their methods of execution and properties of material differ quite a lot. Therefore, prices can vary depending on substrates, finishes and specially the specific objectives of the rendering and its warranty.

Let’s take an overall look at these two types of rendering separately.

1 – Cement Render

Loose / Raw materials mixed on-site (cement, sand and lime).

Application: it’s recommended to be applied only to prepared coarse surfaces such as brick, cement block, stone, or porous stone.

Coats required: It can vary depending on project specifications and quality of the wall/surface (alignment and plumb) – get in contact with Super Render for a free appraisal.

Finish looking: Rendering can be fine or coarse, textured or smooth, natural or coloured, pigmented or painted.

Advantages:

  • Cost: cement render is cheap being a great choice for tight budget projects.

Downsides:

  • Limited range of substrates – only brick and block;
  • Mixed on site: inaccurate ratio may occur;
  • Loose material: risks of contamination;
  • Tend to crack over with time.

2 – Acrylic Render:

Can only be purchased pre-blended in bags (Euromix, MacRender, Sto, Ardex, Astec Paints; Rockcote; Unitex; Dulux Acratex).

Application: Can be applied to prepared coarse surfaces such as brick, cement block, stone, or mud brick substrates as well as to prepared fibre cement, uneven concrete, plasterboard and painted masonry, PVC substrates (Rediwall; Dincel; Permaform), cement sheeting, and new high tech polymer exterior cladding (Uni-Base).

Coats required: Base coat is a must. Other coats vary depending on project specifications and quality of the wall/surface (alignment and plumb) – get in contact with Super Render for a free appraisal.

Finish looking: Rendering can be fine or coarse, textured or smooth, natural or coloured, pigmented or painted. There are also many various acrylic-bound pigmented ‘designer’ finishing coats that can be applied over acrylic render.

Advantages:

  • Cure: 2 days to dry and cure (much faster than the 28 days for traditional render – scaffold economy);
  • Wide range of substrates;
  • Flexibility – material extends as temperature varies, making it far less likely to crack;
  • It does not require a second coat of paint;

Downsides:

  • Requires extra care during application.

To get the most from any rendering be mindful and always seek for professional advice and qualified workmanship. Super Render has the solutions and quality that your project deserves.

If you are unsure about which rendering is the right one for your project, feel free to contact our expert Super Render team to evaluate possible solutions to meet your needs.

We Have Your Cure for Concrete Cancer

In our harsh coastal climate, concrete cancer occurs at alarming rates in buildings that were either built before adequate preventative measures were available, or constructed without proper attention to protecting this strong but vulnerable building material.

We work with many companies to protect their construction investment by applying our
preventative coating system to concrete during construction. However, many of our customers find they’ve inherited projects where concrete cancer has established itself and now jeopardises the strength and integrity of the entire structure. Highrise buildings and balconies in apartment blocks are just two of the areas where concrete cancer is common.
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Prevent the Corrosion of Concrete and Protect Your Build

On the Eastern Seaboard of Australia, we enjoy a coastal lifestyle that’s the envy of many. Our beautiful cities and coastal towns are built along this coastal strip and next to its abundant harbours and waterways and concrete is the chosen building material for many of our buildings and structures.

Concrete is versatile, durable and affordable. Primarily it consists of sand, cement, and aggregate but when it’s used structurally its combined with steel reinforcing, which is where it gets its strength.

The steel acts as reinforcement for the concrete slabs.
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How to calculate the quantity of Sand and Cement for rendering

Rendering is a coating of cement + sand, which can be applied to both internal and external walls and performs a lot of functions, as well as for the waterproofing, inclement weather protection (UV depreciation), fire rating, appearance through colored or texture application, and a plenty of others positive features. To achieve a quality result it is very important that the ratio is adequated to the background surface, what needs to be properly applied in accordance with the thickness and materials.

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Rendering over DINCEL and general PVC Systems

Plastic and PVC System – DINCEL, PERMAFORM, REDIWALL – are getting usual as formwork for walls and columns, which when filled with ready mixed concrete, produces an economical, strong and durable structure. Together with its high structural performance, its external substrate – hard smooth and Non-adhesive – has challenged the rendering industry to develop effective materials and procedures.

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