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Question:

Dear Glass Detective,

I am trying to understand at what m/sq point to move from 6.4 mm laminate up to 8.8 mm and so on. The size of the opening for this job is 1,105 mm wide x 2,200 mm high. It’s in a 4 sided frame either side of a doorway. Floor to ceiling.

Thanks,

Aidan from Galway

Answer: 

Aidan,

Thank you for contacting the Glass Detective with your question regarding what thickness of glass would be suitable for an opening 1, 105 mm X 2,200 mm. Specifically, it appears as though your concern is whether or not you can use 6.4 mm glass vs something larger (8.8 mm or thicker) I am not knowledgeable regarding windload requirements in your area and while this is not an extremely large opening, there is a chance that a thicker (than 6.4 mm) glass is more desirable. The first step would be to get the local windload requirements then find out (by checking with the intended supplier or a windload calculating program) to see if the 6.4 mm laminate is usable. If it doesn’t make the windload requirements you will automatically be driven to the thicker product. However, even if the thinner glass would work, generally speaking, the thicker glass would be safer, more durable and less subject to failure. I hope this helps!

-The Glass Detective

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ABOUT THE AUTHOR

Lyle Hill

Lyle Hill has been in the glass and metal industry for more than 40 years. In this time he has managed glass retail, contract glazing, mirror, architectural window, window film, and automotive glass businesses throughout America. He obtained an MBA from IIT with a focus on Technology and Engineering Management. Hill is also a columnist for glass industry trade magazines and often called the “face” of the glass industry. He has also authored books including “The Broken Tomato and Other Business Parables,” which is available through Amazon.

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