Replacing an insert glass: should you call a professional

When should you call a professional?

Although replacing a fireplace insert or wood stove glass can be done yourself, it is highly recommended to hire a professional if:

• The insert door is difficult to remove (sealed structure, specific mechanism).
• You are unsure about the dimensions or compatibility of the glass.
• You do not know how to correctly install the sealing gasket.
• The insert shows general signs of wear (cracks, air leaks, poor combustion).
• You want an installation that meets regulations (insurance, maintenance).

A professional ensures a tight fit, checks the condition of the fireplace, and guarantees the durability of your installation.

To find a certified professional, choose an RGE installer, a qualified chimney sweep, or a flue specialist.

Is it dangerous to use an insert with a cracked glass?

Yes. It is strongly advised not to use an insert, fireplace, or wood stove with a cracked or broken glass, even partially.

• Risk of burns or sparks,
• Smoke backflow and carbon monoxide poisoning,
• Overheating of the appliance,
• Excessive wood consumption,
• Non-compliance with home insurance.

Even a small crack affects the seal and changes the draft. Damaged glass must be replaced promptly.

Replace your insert glass at the first sign of deterioration.

Tip: How to choose the right replacement glass

• Measure height and width accurately
• Identify the shape (flat or curved)
• Check the thickness (usually 4 mm)
• Check the brand and model of the insert
• Choose high-temperature glass-ceramic glass

At Capska, we cut your insert glass to size within 48 hours, with tested and approved packaging.