🔍JuraLimestone GmbH has worked in Russia for more than two years. We are still at the beginning of that journey, yet facade and interior projects have already provided valuable experience—including successes and setbacks. Every experience is useful when its lessons are applied in time.
One major lesson is the need for evidence when discussing guarantees of stone durability. The issue concerns every project participant, from architect to client.
Under standards including GOST 13377-2014 and EN 12371, durability is the ability of a material or product to retain the required mechanical, service and aesthetic properties until it reaches a limit state defined by the building's operating conditions. For facing stone, it is a complex and decisive criterion that combines physical, mechanical, chemical, petrographic and other properties.
A quantitative expression of durability is the service life in years from the initial state until signs of deterioration appear.
A number of principal factors are recognised as having an adverse effect on natural stone and determining its service life.
Only a small share of these factors can be listed here. The same stone may therefore have very different service lives in different settings. Jura Limestone on a ventilated facade can last many times longer than the same stone used for paving. Even the lowest plinth course is exposed to much stronger influences than an ordinary facade panel. Correct material selection—especially the quarry layer and its service record—together with rigorous sorting is therefore essential.
Visual examples of stone durability
This damaged plinth illustrates the consequences of unsuitable stone selection. The precise cause cannot be confirmed from appearance alone, but the building dates from 2010 and the damage appeared relatively soon. A likely explanation is that beige stone intended for interiors was installed on the facade.
🔍The next building was completed in 2004. Its first plinth course remains in acceptable condition, even where some elements are beside the vehicle entrance to an underground car park.
🔍Construction detailing can further improve durability by reducing exposure. One solution is to raise the stone plinth above the ground and prevent capillary moisture from entering from below.
🔍The dimensions of architectural elements—above all their thickness—also have a strong effect. Service life has been found to increase broadly in proportion to stone thickness.
Fine-grained granites and gabbro lead the durability classes, with potential service lives of up to 600 years. Dense limestones such as Jura stone typically provide approximately 60 to 150 years, depending on use and conditions.