Astragals cover the margin between double doors to help complete the seal against air and moisture infiltration, with aluminum construction for stability, holding power and durability.
In this video, Therma-Tru provides an easy, step-by-step, tutorial explaining how to replace the astragal boots, bolt springs, and flush bolts within an astragal. Replacing these parts requires using tools that are not provided by Therma-Tru. If you are in need of replacement astragal partsplease click here to go to Therma-Tru’s replacement parts page.
