Advise residents and visitors what to do in the event of a fire within an HMO (house of multiple occupancy) property with communal areas HMOs have strict regulations for fire safety and must always have a fire action plan in place.Material Options ExplainedChoose the right material for your application:.Rigid Plastic: Lightweight, gloss white PVC with high impact strength. Suitable for both internal and external safety signs. Easily drilled for wall fixing.Self-Adhesive Vinyl: A high gloss, flexible PVC vinyl with self-adhesive backing. Suitable for applying to most smooth, dry and clean surfaces. Ideally suited for internal signs.