Rawlplug MBA Metal Insulation Fixing - Fire Resistant Fire-resistant metal insulation fixing. Metal facade fixing, recommended for use when fire resistance (F120) is a requirement Fast and simple hammer-set installation reduces working times. Extensive dimensional range allows anchorage of insulation boards up to 250mm thick Accessory spreader plate, MKC (85mm diameter) also available for installation of soft insulation materials such as mineral wool. Applications Mineral wool (MW) boards Glass wool Lightweight wood wool building boards Lightweight recycled panels Polystyrene (EPS) boards Polyurethane (PU) boards Base Materials Approved for use in: Concrete C20/25-C50/60 (Use category A) Solid Brick (Use category B) Solid Sand-lime Brick (Use category B) Aerated Concrete Block (Use category D Rawlplug MBA Datasheet