LINVISIBILE® is an Italian brand founded in 1994 out from the experience of Portarredo Srl, a company that manufactures tailor-made doors and unique interior design solutions, such as room dividers, boiserie, and skirting systems. Our exclusive patented invisible technology eliminates posts, frames, exposed hinges and offers maximum versatility and customization. The result is a flush with wall design door which blends perfectly with the surrounding environment creating a distinctive perception of a hidden door.