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The Case of Glass Thicknesses

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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

Ellen Rogers

Ellen Rogers has been involved with the glass industry for nearly 20 years and is the editor of USGlass magazine and Architect’s Guide to Glass magazine. Ellen received a degree from Peace College where she studied journalism. Ellen enjoys running and competes regularly in races including half and full marathons. When not on the go, Ellen enjoys reading, wine tasting, true crime shows, and family game nights with her husband and son. Their favorite game is Clue. Ellen also bakes what is known locally as “World Famous Oatmeal Cookies.” Find out more about Ellen on Linkedin.

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