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  • Trass Trass


Quick Overview

Trass is a natural pozzolan that has seen widespread use throughout northern Europe for hundreds of years, creamy beige in colour it’s a well-known Pozzolan derived from volcanic tuffs sourced from the Rhine Valley in Germany. Similar to the volcanic pumices and tuffs from Pozzuoli, the material established by the Romans.

5% discount on orders over £500 (Ex VAT, Ex Delivery)

7.5% discount on orders over £1000 (Ex VAT, Ex Delivery)

Call 01208 79779 for pricing on larger projects.

Availability: In stock

Incl. VAT: £15.17


Properties and Benefits:

Good resistance in salt laden environments
Lowers capillarity without impacting too much on vapour permeability
Medium pozzolanic index
100% natural material
The addition rate in lime mortars is advised at 10 to 20% by volume of the binder.
Pure Trass produced in accordance with DIN 51043
Available in 40 Kg bags
R.B.D. 1000 Kg/m3

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