How To Reseal A Window Fixed Fixed — Recent & Certified

How to Reseal a Fixed Window: A DIY Guide to Eliminating Drafts

A Note on "Failed Window Seals"

If you noticed that your window looks foggy or has condensation between the two panes of glass, resealing the exterior frame won't fix that issue. That is a sign of a failed thermal seal. how to reseal a window fixed

How to Reseal a Fixed Window

Tools & materials

• Utility knife or razor blade
• Putty knife or scraper
• Painter’s tape
• Caulk gun
• Exterior-grade silicone or polyurethane window sealant (paintable if needed)
• Backer rod (for gaps >1/4")
• Rags and solvent (isopropyl alcohol or mineral spirits per sealant instructions)
• Ladder or step stool (if needed)
• Safety glasses and gloves

High Energy Bills: Unexpected spikes in heating or cooling costs often indicate air escaping through unsealed gaps. How to Reseal a Fixed Window: A DIY

Visible Damage: Look for cracking, peeling, shrinking, or separation in the existing caulk. Utility knife or razor blade Putty knife or

Wipe down the frame and the wall with a damp cloth to remove dust and debris. Let the area dry completely; sealant will not adhere properly to wet surfaces. Prep with Painter’s Tape (Optional but Recommended)

Do not wash the window or close storm windows during this time.

• Use a utility knife and putty knife to cut and scrape out all old caulk and glazing compound. Remove loose paint, dirt, and glazing putty until you reach sound substrate.
• Clean the joint with a rag and solvent; allow to dry.