In case of Fully Adhered Systems, the felt-backed single ply PVC membrane is adhered to the concrete or mortar screed substrate by means of approved adhesives. Fully Adhered Systems provide a high aesthetic appearance and offer freedom of design, especially for complex roof shapes. Fully Adhered Systems are ideal for public and residential buildings including schools, offices, hotels, hospitals, apartments, sports centers etc. plus all types of refurbishment projects.