After the sealant cures, spray the window with a garden hose. If no water enters and no draft is felt, the reseal was successful. Repeat every 5–10 years depending on your climate and sealant quality.
Wipe the area with a damp cloth or rubbing alcohol to remove dust, grease, and debris. For exterior frames, ensure the area is dry; however, some advanced sealants like can stick to wet surfaces if necessary. 4. Apply the New Bead Cut the sealant nozzle at a 45-degree angle . Apply continuous, even pressure with the caulking gun. how to reseal a window fixed