Why Do Oven Doors Shatter and How to Prevent It? – TRUTH HERE !


Willie Mae Truesdale heard a loud explosion coming from her kitchen. When she went to investigate, she found her glass oven door in pieces all over the floor. “It was shocking and you had to really see it to believe it,” she explained. 

It was unbelievable. Glass broke, glass was all over the floor. Adding to the confusion, her oven wasn’t even on. And to make things worse, Truesdale isn’t the only homeowner whose oven exploded.

The Curious Case of Exploding Glass Oven Doors

Cheryl, a mom living in the suburbs, had a similar surprise during the COVID-19 lockdown. She attempted to make brownies, but they turned out to be wet in the center. Despite her oven being just three months old, she discovered that its temperature was off by approximately 25 degrees. Once the quarantine was over, she contacted a professional to repair her appliance. However, before doing so, she opted to run a self-cleaning cycle. As it neared completion, a sudden loud explosion occurred, causing the inner glass on the oven door to shatter.

Michelle Wheat had glass all over her kitchen after her oven door exploded. Her three-year-old oven, like Truesdale’s, was not in use at the time. Luckily, none of her four young children were hurt by the shattered glass. Reports of exploding glass doors have been linked to various brands, including Frigidaire and Bosch. The Consumer Product Safety Commission has received approximately 450 reports of this happening since 2019.

All three women had issues with the manufacturers after the incident. Truesdale’s oven was covered by warranty, but Frigidaire’s technician accused the family for the explosion despite the oven being turned off. As a result, she had to pay for a new door herself. Fortunately, Bosch replaced Cheryl’s oven after NBC contacted them for a statement.

In the meantime, Wheat’s oven was no longer covered by warranty. She had to give the technician $100 just for him to inform her that the glass was shattered and needed to be replaced. This ended up costing the family an additional $314. Frigidaire recommended that Wheat purchase an extended warranty in case a similar situation occurred in the future. “This shouldn’t have happened,” expressed the exasperated mother of six. “That’s exactly what I was trying to convey to them.”

What Causes Oven Doors to Shatter?

Mark Meshulam, an expert from Chicago Window Expert, explains that there are two possible reasons why oven glass can break unexpectedly. One type of oven glass is made from soda lime glass, which is the same type of glass used for windows. This glass is rapidly heated and cooled to make it tempered. The other type of glass used in oven doors is borosilicate glass, which is commonly found in laboratory glassware or the old Pyrex glass. Borosilicate glass is highly resistant to extreme temperatures. However, the shift to using soda lime glass in oven doors has led to an increase in breakages because it is not as tolerant to the frequent changes in temperature that the glass undergoes.

However, it is also probable that the blasts originate from a tiny defect in the glass called a nickel sulfide inclusion. This flaw is only about 0.1 millimeters in diameter and possesses peculiar characteristics. Meshulam explained that over time, it strives to escape and occasionally, a high-temperature occurrence like oven cleaning can trigger its sudden failure.

However, Meshulam assures individuals that the self-cleaning function of ovens is secure. “The majority of individuals will go through their entire lives using the self-cleaning feature without encountering this issue,” he stated. He also suggests that tiny chips and imperfections are responsible for ovens exploding when not in use. The alarming aspect of this situation is that the door can shatter long after the initial damage has occurred.

Prevention Tips

Damage can occur to glass during production, shipping, or installation. Homeowners have no control over these situations, but there are ways to prevent damage at home. For example, certain habits like aggressive cleaning techniques and excessive physical impact can cause microscopic scratches or chips on the glass.

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