If the putty is badly cracked you can pry away large chunks quickly with a putty knife.
Fix cracked window putty.
Step 2 prime newly exposed woodwork.
If it s a hairline crack.
Cracks caused by normal settling or foundation problems or minor earthquakes can appear above windows.
To fix these cracks clean and sand the area around the crack.
Replacement is the answer.
Mix up the two part epoxy.
Bits and pieces of old putty and possibly glass shards will fly around quite a bit during scraping so eye protection is a must.
Where it cannot be easily and neatly repaired.
Step 3 apply the putty.
Take the short time needed to dry.
Place a drop cloth below the window to catch dust paint chips and pieces of old glazing.
Wear leather gloves to protect your hands from burns.
Repairing window putty step 1 replacing putty.
Wear eye protection and gloves.
Don t be tempted to just re apply new putty.
Putty in good condition takes longer to remove.
Clean the glass with dish soap.
Repair a cracked window glass tabletop or even a mirror with this easy step by step guide.