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Mapei S.p.A.
Mapei makes the glues, grouts, sealants, and chemicals that hold buildings and floors together.
Mapei is a building-materials company, and most people meet it without knowing it. When a tiler sticks down a ceramic floor, fills the gaps between tiles with grout, or seals a shower so it doesn't leak, the bag or bucket often says Mapei. The company sells adhesives, sealants, waterproofing products, and specialty chemicals for construction and renovation, and it sells them in over 100 countries.
Founded in Milan in 1937 by Rodolfo Squinzi, Mapei grew from a small paint and wall-coating workshop into a global player in construction chemicals. Headquarters are still near Milan, and the Squinzi family still controls the company through a holding structure. That ownership matters: Mapei is private, so it isn't chasing quarterly earnings for public shareholders. It can invest for the long term and keep its operations closely held. The business is simple to understand. Builders, contractors, and do-it-yourselfers pay Mapei for products that solve specific problems: sticking materials together, keeping water out, making floors last. Mapei spends heavily on research and development and on technical support, sending specialists to job sites to help customers choose the right product. Competitors include large chemical and building-materials groups such as Sika and Saint-Gobain, plus many regional players. Mapei's edge comes from brand trust, a huge product range, and deep relationships with contractors who rely on it to get jobs right the first time.
Mapei has grown largely by buying local companies around the world, which lets it sell under familiar local names while sharing technology and scale. Its products show up in major projects, from stadiums to subway tunnels, and the company has pushed into related areas like admixtures for concrete and products for restoring old buildings. Because it is private, detailed financials are limited, but it is consistently described as one of the largest construction-chemicals companies in the world, with annual revenue in the billions of euros.
Saved answer · last researched 10 Nov 2026