To fix these cracks clean and sand the area around the crack.
How to fix cracked window putty.
Don t be tempted to just re apply new putty.
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.
1 place the window frame onto a flat table.
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.
Mix up the two part epoxy.
Where it cannot be easily and neatly repaired.
Wear eye protection and gloves.
Repairing window putty step 1 replacing putty.
Repair a cracked window glass tabletop or even a mirror with this easy step by step guide.
When glazing a window one of the first things you ll need to do is remove any old glazing that s chipped or damaged.
Step 2 prime newly exposed woodwork.
In a well ventilated area prepare a two part epoxy.
Replacement is the answer.
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.
Take the short time needed to dry.
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.
Wash the glass around the crack with a drop or two of dishwashing soap on a.