Warns that demolition is underway. Falling debris and collapsing structures make the area dangerous. Choose your material: Poly (1.4mm) for a lightweight, low-cost sign indoors or on fences, or ACP (3mm aluminium composite panel) for a rigid, weatherproof sign for long-term outdoor use Choose your size: 300 x 450mm or 600 x 450mm. Go larger for yards, gates and longer viewing distances Finish: non-reflective UV-stable print Where it's used: Demolition sites · Renovation sites · Site perimetersMounting: Screw, rivet or cable-tie it to a wall, door or fence, or fit it to a 60mm OD post with 2 x TD1 brackets. Brackets and galvanised sign posts are sold separately.Need different wording, a logo or another size? We make custom signs. Contact us for a quote.Dispatched from our Wetherill Park warehouse. Trade account holders can ask us about volume pricing.