Construction Asbestos Signs – Danger Asbestos, No unauthorised persons beyond this point, Do not cut, drill, saw, break or disturb this area (sign 1). Signage used to clearly mark dangerous asbestos areas in and around your building. Available in aluminium, rigid plastic and self adhesive vinyl (polycarbonate on request) to suit your needs. Available in a variety of sizes. All of our construction safety signs are fully compliant with ISO 7010. Not exactly what you are looking for?