Therma-Tru provides a simple tutorial on maintaining sealed joints around a door unit. Inspect the door for any sealing that may need to be replaced. When resealing the door unit, make sure that the old sealant has been removed first. Therma-Tru recommends to inspect the seal around the door unit at least once a year, different climates may require more frequent inspections. Feel free to contact Therma-Tru with questions or concerns about maintaining a door unit.
Updated on May 15, 2021