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KEIM
Saint-Pierre-de-Chandieu · France
KEIM, inventor of mineral silicate paint
KEIM is a German manufacturer of mineral paints and the European leader in this technology. It all began in 1878: Adolf Wilhelm Keim patented potassium-silicate paint, whose mineral binder chemically bonds to the substrate instead of forming a surface film. The KEIMFARBEN group now produces at two German sites, Diedorf for paints and Alteno / Luckau for powder mortars and insulation systems, both certified ISO 9001 and ISO 14001. The minerals are mostly extracted in Germany and Austria, as close as possible to the plants. In France, the brand is run by KEIM France SAS — Peintures Minérales KEIM — from Saint-Pierre-de-Chandieu, south-east of Lyon, with a second establishment in Ivry-sur-Seine, Le Lokal KEIM.
Lignosil: the mineral paint for wood
Launched in 2013, the Lignosil range is the world's first mineral paint formulated for wood. It brings together Lignosil-Color in an opaque finish, Lignosil-Verano as a woodstain, as well as Lignosil-Artis and Lignosil-Inco. These mineral finishes target cladding, exterior joinery and exposed timber works, with the color stability and durability that make silicate's reputation. Like the whole catalog, they are 100% mineral, with no organic solvent or synthetic binder.
A complete range for facade, interior and concrete
Beyond wood, the catalog covers facade paint (Granital, Soldalit and Soldalit-ME, Coolit, Mineris, and Twinstar, the first mineral coating applied wet-on-wet), interior paint (Ecosil-ME, Innostar, Innotop, Optil, Mycal-Top, Tisenza), the Concretal range of concrete paints and woodstains, renders and mortars — undercoats, finishing renders, lime and lime-clay, remediation, skim-coating and renovation — Romanit air lime, Restauro-Lasur woodstain for natural stone, as well as pre-treatments, impregnations, water repellents and anti-graffiti protection. Technical milestones punctuate this range: Purkristalat in 1878, Granital in 1962, Soldalit in 2002 and the patented PPF technology in 2019.
Durability, specification and references
139 products are certified Cradle to Cradle Certified® Full Scope Silver, with Material Health Gold and Circularity Silver levels, and the company is a member of the Bavaria Environmental Pact. KEIM serves architects, project owners, applicator companies and private individuals, and relies in France on a network of distributors, tinting workshops and partner companies, complemented by Qualiopi-certified training. French references include the Halle de la Madeleine in Nantes, the Strasbourg municipal baths, the Lyon-La Duchère panoramic tower and the Avignon aquatic stadium; internationally, Marina Bay Sands in Singapore and Battersea Power Station in London.
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