Glass cooktops are sleek.

Yes — a bent or uneven pan bottom is the most common reason glass stoves fail.

Here’s why:

🔍 How It Happens

  • When a pot or pan has a warped base, it doesn’t sit flat on the cooktop
  • Heat builds up under the raised edges, creating uneven thermal stress
  • Over time — or suddenly — the glass can crack from the pressure

Even worse? Some pans (like older cast iron or cheap stainless steel) expand when hot, worsening the gap between metal and glass.

💥 Result: A loud pop… then a cracked or shattered cooktop.

🚫 Other Dangerous Habits That Can Cause Cracks

❌ Dropping heavy pots or utensils
Even small impacts can create weak points that lead to future breaks
❌ Placing cold items on a hot surface
Sudden temperature change = thermal shock (e.g., placing a frozen pan on a hot burner)
❌ Letting cookware boil dry
Extreme heat concentrates on one spot, weakening the glass
❌ Using abrasive cleaners or metal scrapers
Scratches weaken the surface over time
❌ Cooking with lids made of tempered glass
Rare, but some lids have been known to shatter due to heat stress

✅ How to Protect Your Glass Top Stove

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