These cracks often originate from the corners of the frame or manifest as sudden, straight splits across the pane. Why You Cannot Ignore a Cracked Double-Glazed Window
Thermal cracks typically start at the edge of the glass frame, run perpendicular to the spacer bar, and then branch out into unpredictable shapes. 2. Physical Impact
Moisture leaking through the crack can accumulate inside the window frame or wall cavity. This damp environment promotes the growth of toxic mold and causes wooden frames, drywall, or sills to rot. Security and Safety Hazards crack in double glazed window
What is your window frame made of (uPVC, wood, aluminum)?
A: It depends. Most policies cover “sudden and accidental” damage (e.g., a baseball). They typically do not cover thermal stress or gradual wear and tear. Check your deductible – it may be higher than the repair cost. These cracks often originate from the corners of
Avoid dark, heavy blinds that absorb and trap excess thermal energy against the glass.
Cracked glass weakens the structural integrity of the window. The pane becomes vulnerable to forced entry and can shatter completely during high winds or minor vibrations, posing a safety risk to occupants. Temporary Fixes vs. Permanent Solutions Physical Impact Moisture leaking through the crack can
You do not need to replace the entire window frame. A glazing specialist can remove the cracked Insulated Glass Unit (IGU) and install a new sealed double-glazed unit into the existing frame.
Understanding the cause is essential for both repair and prevention.