Cut the tip of your caulk tube at a 45-degree angle using your utility knife. The size of the opening should match the width of the gap you are filling. A smaller hole gives you more control; you can always cut it larger if needed. Piercing the inner seal of the tube with a long wire or nail, then puncture-load the tube into your caulk gun. Step 6: Apply the New Caulk
Essential for filling deep gaps wider than 1/4 inch. Caulk Gun: A dripless caulk gun offers the best control.
Stiffer to apply than silicone and can degrade faster under intense, direct sunlight. Step-by-Step Instructions to Reseal a Fixed Window how to reseal a window fixed
Leave a small gap between the tape strips (about 1/4 inch) where the caulk bead will sit. Step 5: Prepare the Caulking Gun
Clean the joints with rubbing alcohol or a silicone remover to remove residue. Wait for the area to dry completely. Step 3: Apply Painter’s Tape (Optional but Recommended) Cut the tip of your caulk tube at
Helps shape a perfect, professional bead (though a gloved finger also works). High-quality exterior sealant:
Use your utility knife or caulk removal tool to score the edges of the old sealant. Be incredibly careful not to slice into vinyl window frames or scratch the glass. Piercing the inner seal of the tube with
With a garden hose (low pressure), spray the window from top to bottom while someone watches inside.