RW814 is a SBS modified, self-adhesive, reinforced bituminous membrane (RBM, for use as an underlay membrane. Top surface: Silicon film Reinforcement: Non-woven polyester and glass Underside: Removable polymeric PE film and self-adhesive.
RW814 is designed for use as a high performance underlay membrane, and is compatible with a wide range of substrates. Specified within POWERply torch-on and self-adhesive systems in conjunction with RW830 and RW832 cap sheets.