sedak is an offshoot of seele. in just 25 years the seele group has become a global leader in the facade engineering sector. with innovative engineering and breath-taking construction projects. and a degree of glass finishing expertise rarely found in the industry. sedak grew from this niche skill. to become an independent company within the seele holding company. and one of the top glass finishing companies in business today. particularly when it comes to providing innovative solutions to complex problems. not just in collaboration with architects and as a supplier to the glass industry, but as a pioneer of newly discovered applications that even include aerospace and shipping. thinking up new worlds of glass. that’s what we mean by think glass.