Knauf loft insulation, Knauf Gips KG is a family-owned multinational corporation based in Iphofen, Germany. The company is best known for its drywall gypsum boards. It was founded in 1932 and has since grown to more than five thousand employees. The Knauf brand is known for being one of the world’s most affordable drywall alternatives. But, what exactly is Knauf? How does the Knauf brand differ from competitors?