Images and designs are protected by copyright. © National Safety Signs Do not Block Door N2011From: $8.71 Select Size Choose an option225mm x 150mm300mm x 225mm450mm x 300mm600mm x 450mm900mm x 600mm Material Choose an option.55mm Steel1.6mm AluminiumCorflutePolypropyleneVinyl StickerClear *Select Reflective NoneClass 2 Reflective (Similar to Car Number Plates)Class 1 Reflective (High Prismatic Road Reflective)Luminous Material (Glow in the Dark, Emergency signs, NOT Road Signage) Protective Overlaminate Have Additional Instructions? Do not Block Door N2011 quantity Add to cart or quote Related products No Admittance N2016 From: $8.71 Add to cart or quote Not an Entrance N2020 From: $8.71 Add to cart or quote Authorised Persons Only N2007 From: $8.71 Add to cart or quote Wheels must be Chocked N2030 From: $8.71 Add to cart or quote