To achieve a clean, professional-looking line, place two strips of masking tape, one on the window frame and one on the siding, leaving a gap where the caulk will be applied. This keeps the bead tidy. 3. Load the Caulking Gun
Purchase a foam backer rod slightly larger than the width of the gap.
New sealant requires a completely clean, dry surface to bond correctly. how to reseal a window fixed
Now that you have the necessary tools and materials, follow these steps to reseal a window:
When resealing a window, avoid the following common mistakes: To achieve a clean, professional-looking line, place two
Moisture trapped under paint on or around the window frame causes it to bubble and flake.
2. Tools and Materials You Will Need
Before gathering your tools, inspect the window to confirm that a failing seal is the primary issue. Visual Clues
For fixed windows that don't open but still have a micro-gap around the sash, foam tape is the hero. Load the Caulking Gun Purchase a foam backer
Inspect the area to ensure it's free from any debris or old sealant. If necessary, use a wire brush to clean out any gaps or crevices.
Caulk needs to adhere only to the window frame and the wall (two surfaces). If it adheres to the back of the deep gap as well, the mechanical stress of your house shifting will tear the caulk apart. A backer rod prevents this by breaking the bond at the back of the joint.