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.
How to fix cracked window putty.
Don t be tempted to just re apply new putty.
Wash the glass around the crack with a drop or two of dishwashing soap on a.
Step 2 prime newly exposed woodwork.
Clean the glass with dish soap.
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.
Repair a cracked window glass tabletop or even a mirror with this easy step by step guide.
Where it cannot be easily and neatly repaired.
Take the short time needed to dry.
Bits and pieces of old putty and possibly glass shards will fly around quite a bit during scraping so eye protection is a must.
1 place the window frame onto a flat table.
Repairing window putty step 1 replacing putty.
When glazing a window one of the first things you ll need to do is remove any old glazing that s chipped or damaged.
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.
Mix up the two part epoxy.
To fix these cracks clean and sand the area around the crack.
If it s a hairline crack.