About Us
CERAKO — Specialist in Inorganic Lightweight Materials and Injection Technology
CERAKO develops, manufactures, and installs inorganic non-combustible insulation and lightweight filling systems based on inorganic lightweight materials and on-site injection technology.
Our solutions are designed for exterior wall insulation retrofit, building renovation, cavity filling, thermal insulation reinforcement, and fire spread prevention, with minimal demolition and practical on-site application.
CERAKO applies these technologies to residential, commercial, industrial, public-sector, and large-volume cavity filling projects in Korea, with a focus on improving fire safety and thermal performance.
CERAKO began with U.S.-origin technology and has since localized its equipment, products, and raw materials in Korea. Some products are exported to the United States, and exports to China have continued since 2023.
Our products are based on inorganic lightweight materials such as magnesium oxide and Portland cement systems, and are adapted in various forms according to the intended use and site conditions.
CERAKO places importance not only on thermal performance, but also on non-combustibility under actual fire conditions, on-site constructability, and applicability to existing buildings.
CERAKO’s key advantage is the ability to manufacture and install its systems using locally sourced materials in each country, reducing dependence on imports, transportation costs, and overall project costs.
This enables CERAKO to provide high-quality products at highly competitive prices.
AirKo Inorganic Lightweight Fill
In international markets, CERAKO uses the name “AirKo” for its inorganic lightweight product line, while maintaining the same core technology and specifications used in Korea.
The AirKo name covers CERAKO’s full range of inorganic lightweight products, including lightweight fill systems and inorganic lightweight insulation materials.
AirKo products are designed for a wide range of applications, including exterior wall insulation retrofit, cavity filling, large-volume lightweight filling, and fire-spread prevention.