Red Brick Dust

Red crushed brick dust, typically seen as a very weak pozzolan. Brick Dust is also used as a colourant for mortars as well as a porous aggregate.

Pricing

£8.33 Ex VAT. (£10.00 Inc VAT.)

5% discount on orders over £500 (Excluding Vat & Delivery). For larger projects visit our pricing page.

SKU: 103210. Weight: 20kgCategories: , .
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Description

The use of Brick dust as a pozzolan although widely accepted is poorly understood as the chemistry of reactivity is complex. Although we stock brick dust we could not advise our customers with any degree of certainty as to its pozzolanic index, and despite our own well-equipped test facilities measuring this is beyond our present scope, and the suppliers seldom know this because they produce it for a different market. Many bricks are fired at too low a temperature to create the reactive elements for a pozzolan.

For Cornish Lime the main use of brick dust would be as a pigment or porous particulate as a means of aiding carbonation, which can sometimes yield a more permeable mortar. However, and as a note of caution, the addition of inert materials such as brick dusts or other powdered materials can often cause more problems than they solve, owing to the relatively large surface area of such fine materials creating a greater water demand in the mix.