Fix Cracked Window Putty

Repair a cracked window glass tabletop or even a mirror with this easy step by step guide.

Fix cracked window putty.

Take the short time needed to dry. With a heat gun in one hand and a stiff putty knife in the other heat the putty to soften it and gouge it out. Step 3 apply the putty. Wash the glass around the crack with a drop or two of dishwashing soap on a.

Clean the glass with dish soap. Place a drop cloth below the window to catch dust paint chips and pieces of old glazing. Mix up the two part epoxy. Repairing window putty step 1 replacing putty.

Putty in good condition takes longer to remove. If it s a hairline crack. In a well ventilated area prepare a two part epoxy. Cracks caused by normal settling or foundation problems or minor earthquakes can appear above windows.

Wear eye protection and gloves. To fix these cracks clean and sand the area around the crack. Where it cannot be easily and neatly repaired. Bits and pieces of old putty and possibly glass shards will fly around quite a bit during scraping so eye protection is a must.

If the putty is badly cracked you can pry away large chunks quickly with a putty knife. Don t be tempted to just re apply new putty.