Trass-based lime mortars in the Optolith® OPTOSAN system

Co-operation with local conservation universities and many years of experience, in numerous projects, have allowed Hufgard Optolith® to develope a comprehensive and uniform mortar technology for brick and stone masonry restoration.

Optosan by Optolith® covers a full range of different mortars required for masonry works:
mortars for masonry, pointing and repair works, materials for preparation and protection of the masonry face, etc.

The majority of our mortars are based on formulas containing the original „Rhenish trass”.
These are primarily ready-mixed and factory-mixed mortars, under full quality control, right from the production stage. It guarantees a replicability of these valuable characteristics and properties, in each delivery. This is a vital concern, especially with a large scope of works, regardless of the number of teams, even in case of long renovation times. Our offer includes bonding materials as well: lime-based hydraulic binder with trass, a cementitious pozzolanic binder based on white cement. They can be both prepared individually on the construction site.

However, not only is Optosan by Optolith® an offer of standard products. Historic bricks or stone walls from different eras, which differ greatly both aesthetically and in their state of preservation, impose demanding requirements. Therefore, the range also includes mortars prepared to meet these requirements (i.e., the choice of aggregate fraction or colour, adaptation of the formulation to various application methods, or adaptation of the formulation to changed parameters, etc.).

All construction materials, developed for the Optosan system, take into account current conservation requirements both in terms of their physical and chemical properties.
Many laboratories have proved, by testing the mortars externally, that they can be used in historical buildings. Besides these rigorous tests, Optolith® building products have been used in loads of construction projects. A lot of them were of national significance and heritage, in Poland, Germany, and Switzerland.