SOPRALENE OPTIMA GARDEN 4 GF C3 FR

Membrane composed of elastomer modified bitumen with root-repellent and fire retardant additives and a composite polyester reinforcement. Used as an upper layer within a single or multi layer waterproofing system for green roofs where fire retardant properties are required. Is also used as a waterproofing layer for basement tanking and underground structures and acts as a radon barrier. The upper surface is finished with granules and the overlap is protected by a thermofusible film. The lower surface is protected by a thermofusible film.