When Is Fire Door Lipping Damage Significant?

Lipping can look like a small piece of timber around the edge of a door. It is not always a small issue. Look for the type of damage Check for: loose lipping;split lipping;missing sections;proud replacement lipping;crushed or impact-damaged lipping;lipping that has been heavily planed;gaps or movement at the lipping joint. The important part is what that damage does to the leaf. A proud section can change the door geometry You can have a door that is nominally the correct width but still rub because a replacement lipping stands proud of the original edge. That creates a local obstruction. The contact may be only in one section of the door, which is why a general measurement can look reasonable while the door still catches. Loose lipping needs a closer look If the lipping is moving, it can change position as the…