SOPRALENE OPTIMA 4 GF C3 FR White
composed of elastomer modified bitumen with fire retardant additives and
a composite polyester reinforcement. This membrane has a white coating.
Used as a reflective upper layer within a single or multi layer waterproofing system where a high reflectivity of solar radiation is desired and fire retardant properties are required.
The upper surface is finished with pale reflective granules and the overlap is protected by a thermofusible film. The lower surface is protected by thermofusible film.