GRC Manufacturing

Poured of GRC/GFRC

The sand and cement are mixed dry and then the water/admixture and polymer (if used) are added. Generally a two speed slurry/fibre blender mixer is used. With this type of mixer, the fast speed is designed to create a smooth creamy slurry. This takes about 1 - 2 minutes. The mixer is then switched to slow speed and fibre in the form of chopped strand (length approximately 13mm) is added slowly. The fibre is blended into the mix for approximately 1 minute.

Once the mix is ready, it is poured into moulds which are vibrated using a vibrating table.

The product is left in the mould and covered with polythene to prevent moisture loss until the next day. The product is then demoulded.

After demoulding the products are cured under polythene sheets to maintain moist conditions for approximately 7days. Alternatively a polymer curing compound can be used as described for the sprayed process.

If you would like any more information on GRC manufacturing please see our Manufacturing Types below, or get in touch today.

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GRC Manufacturing Types

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