Fix Cracked Window Putty

Place a drop cloth below the window to catch dust paint chips and pieces of old glazing.
Fix cracked window putty. Take the short time needed to dry. Step 3 apply the putty. Replacement is the answer. Repair a cracked window glass tabletop or even a mirror with this easy step by step guide.
Step 2 prime newly exposed woodwork. Repairing window putty step 1 replacing putty. 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 it s a hairline crack.
Don t be tempted to just re apply new putty. Clean the glass with dish soap. 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. Wash the glass around the crack with a drop or two of dishwashing soap on a.
To fix these cracks clean and sand the area around the crack. If the putty is badly cracked you can pry away large chunks quickly with a putty knife. Cracks caused by normal settling or foundation problems or minor earthquakes can appear above windows. Wear leather gloves to protect your hands from burns.
In a well ventilated area prepare a two part epoxy. Putty in good condition takes longer to remove.