| If there is not enough air, it is possible that the chimney or flue could backdraft or spill dangerous gases into the house. |
| He won the race after the lead Plymouth spun out temporarily when it lost its rear window to the suction of the backdraft. |
| He leapt over the side and grabbed his hat just as a gust of backdraft from the airship started to send it flying away. |
| Negative pressures caused by mechanical equipment can easily backdraft chimneys and vents. |
| Use a hinged damper weather hood to prevent backdraft and place it at least 12 inches off the ground. |
| A backdraft allows cold air and odours to flow down the chimney, through the appliance and into the room. |
