How to Glaze a Window

Follow these steps to keep the warm air in during the winter and cool air in during the summer.

: Always wear leather safety gloves and safety glasses when working with a heat gun. Always wear leather safety gloves and safety glasses when working with a heat gun.
Step 1: Remove the window Remove the window. By taking the window out, you'll save time and have better results.
Step 2: Clamp the window in place Clamp the window in place on a flat surface.
Step 3: Remove old putty Remove old glaze with the heat gun and putty knife.
TIP: Use sheet metal to protect the glass if you do not have a heat shield attachment on your gun.
Step 4: Prime bare wood Use the paintbrush to apply primer to any bare wood around the window.
Step 5: Apply new putty Apply the new putty to the entire outer edge of the glass with the putty knife.
Step 6: Smooth the compound Dip the putty knife in mineral spirits and smooth the compound. Repeat this step several times until the compound is completely flat.
Step 7: Remove the excess compound Remove excess compound from the seam with the putty knife. Wait until it's completely dry and reinstall your newly glazed, more energy efficient window.
FACT: Storm windows can reduce heat loss through windows by 25 to 50 percent.