Where it cannot be easily and neatly repaired.
How to fix cracked window putty.
To fix these cracks clean and sand the area around the crack.
Step 3 apply the putty.
Repair a cracked window glass tabletop or even a mirror with this easy step by step guide.
In a well ventilated area prepare a two part epoxy.
If it s a hairline crack.
1 place the window frame onto a flat table.
If the glazing is still in place and looks good for part of the window it can stay but it s best to completely remove any glazing that looks chipped or loose because it can prevent the new glazing from adhering as it should.
Clean the glass with dish soap.
Steps to take when repairing puttying and reglazing a window place a drop cloth below the window to catch dust paint chips and pieces of old glazing.
The only real reason to replace the putty is if it has become old and cracked or its integrity surrounding the glass has been compromised.
Take the short time needed to dry.
Don t be tempted to just re apply new putty.
Repairing window putty step 1 replacing putty.
Cracks caused by normal settling or foundation problems or minor earthquakes can appear above windows.
Mix up the two part epoxy.
Step 2 prime newly exposed woodwork.
Wear eye protection and gloves.
When glazing a window one of the first things you ll need to do is remove any old glazing that s chipped or damaged.