Fire Testing of textile curtains Ensure fire-resistant curtains and smoke-control curtains are fit-for-purpose and adhere to regulations. Fire and smoke curtains, whether roll-up or folding, are an important tool for mitigating against the dangers caused by the outbreak of fires in buildings. They take up little space but can effectively stop the spread of fire and smoke, containing it between specific sectors and leaving evacuation routes safe. However, to ensure they work as they should, it is