Apply a continuous bead of exterior-grade, paintable caulk around the perimeter of the window frame where it meets the siding. Smooth the bead with a damp finger or caulking tool for a neat finish. This step is critical for weatherproofing.
Step 8 · Apply Exterior Sealant
Apply a continuous bead of exterior-grade, paintable caulk around the perimeter of the window frame where it meets the siding. Smooth the bead with a damp finger or caulking tool for a neat finish. This step is critical for weatherproofing.