If you cannot replace the glass immediately, you must stabilize it to prevent heat loss, water intrusion, or injury.
Here are a few options depending on the tone you need:
One of the biggest misconceptions is that all cracks can be "fixed."
If the glass is cracked but not falling out:
Not all cracks are created equal. Understanding the pattern of the break can help you identify the root cause and determine the urgency of the repair. What Causes Thermal Stress Cracks in Windows? | Pella
