Exposed aggregate – suggested specification
The decorative process of exposing aggregate has been around since the early 1900s. But this method is far from being ready for retirement. An exposed aggregate finish offers numerous advantages. And many of today’s contractors are finding creative ways to take exposed aggregate to a new level. An exposed aggregate surface is obtained by placing concrete and then removing 1mm to 6mm of the concrete surface to uncover decorative aggregates . Because of its durability and skid resistance, an exposed aggregate finish is ideal for most businesses / homes
Exposed Aggregate is a decorative concrete which is achieved by carefully selecting a Colourmix colour and a decorative Aggregate, then chemically retarding the concrete surface and finally removing the top 1-4mm of cement matrix by a washing process. There are two types of Exposed Aggregate, the first is using the aggregate that is already in the body of the concrete. The second is achieved by seeding aggregates to the surface of the concrete, then working that aggregate into the surface.
PICS Exposed Aggregate is an attractive decorative concrete finish with the following benefits and features:
- Very low maintenance
- Natural looking product
- High wear resistance.
- Many and varied decorative alternatives.
- Good anti-slip properties.
- No weed growth.
- No shrinkage or trip hazards.
- Can be designed to suit a specific locality.
- By carefully selecting the Aggregates and Colourmix many effects can be achieved.
- By inlaying Picspave bands and borders, designs can further enhance the stunning effects created.
Exposed Aggregate is easy to install and has a very long life span particularly when set against more modern alternatives e.g. resin aggregates a typical life span for Expose Aggregates is 25 to 50 years. If installed following the guidance document provided
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