It happens a lot, fire doors propped open with a variety of objects, generally something relatively heavy and nearby. Oh, look an extinguisher! Did you know that a £3,000 fine could be imposed for every illegally propped fire door? You can double that figure if extinguishers are used to do it! Did you also know that a Carbon Dioxide extinguisher contains an average of pressure of 825 psi? Fire doors are a passive fire protection measure to prevent the passage of smoke and fla