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The rookie mistake is simply gobbing new caulk over the old. It doesn’t work. The new seal needs a clean surface to bond with, or it will peel away within a season.

Which of these would be most helpful for your current project?

Resealing a window is a simple and effective way to prevent air leaks and ensure a snug fit. By following these steps, homeowners can tackle this DIY project with confidence, saving money on energy bills and improving the overall comfort and livability of their home. Regular maintenance and inspection of windows can help to prevent gaps and cracks from forming, ensuring a long-lasting seal and optimal performance. With these tips and techniques, you can keep your windows sealed and your home comfortable for years to come.

Load the caulk gun or applicator with the silicone-based sealant, and cut the nozzle at a 45-degree angle to create a small opening. Apply a bead of sealant to the gaps or cracks, holding the gun or applicator at a 45-degree angle to ensure an even flow. Use a smooth, continuous motion to fill the gap, holding the gun or applicator steady.