Natural stone and marble

In all our areas of expertise natural stone and attachment technology are a special field in the area of material testing. Besides mechanical and chemical testing, it also includes the inspection of damage to structural members made of natural stone, marble, the supervision of production and execution, as well as consultation and applied research. ...

Siding made of Natural Stone

Today sidings made of natural stone are usually built with back air circulation. The requirements they have to meet are defined in standards. By supervising or inspecting the execution on site, the LGA are contributing to the security, quality and cost reduction when natural stone is used for sidings. Often already existing sidings are inspected. ...

Mounting Sidings

During the inspection and/or restoration it might be necessary to test and evaluate already existent armature or those that have to be set in. This is the case when a wall of unknown hardness is found to be holding up the sidings or when the armature is supposed to be inserted into a wall for which there is no permissible tensile strength stipulated in the standards. ...

Natural Stone Flooring

For a permanent, proper production of natural stone flooring inside and outside of the buildings there are enough technical rules and books containing the requirements, stipulations and suggestions on which material to use for which construction. ...

Chemical Analysis of Natural Stone

After the natural stone has been laid inside and outside, damage may occur due to many things. As the LGA has a test and analysis center with a lot of experience in this field, the possible causes can be looked into and determined chemically and usually possibilities for repair can be found out. The most common damage is discoloring, ...

Sidewalks made of Natural Stone

Numerous public roads and sidewalks have been and are planned and built with natural stone - e.g. in the course of restoring a town or village. In order to achieve aesthetic, ...

Furniture with Marble

Marble is turning up more and more often in combination with furniture, e.g. in the kitchen surface, in wash basins, bathrooms, or coffee tables.

The LGA is able to test this high quality and aesthetic material for its characteristics and surface according to the newest state-of-the-art technology (e.g. RAL-RG430) in our furniture testing institute. ...