Lyle Hill

Lyle Hill

Lyle Hill

Author Bio

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.

Posts by Lyle Hill


The Case of Scraping Paint Off of Windows

Question: Dear Glass Detective, I have been asked to take paint off of windows. The person said someone already tried and couldn’t do it. The paint has been on for years and the sun hits the windows hard. I know I will have to scrape, but is there a product that I can use and […]

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The Case of Glass Thermal Ratings

Question: What is the thermal rating for laminated glass compared with double glazing? Is double glazing safety glass the same as laminated glass.? Thank you. -Dave H. Papakura, New Zealand Answer: Dave, Thank you for contacting the Glass Detective with your question regarding what you refer to as “glass thermal ratings”. The quick response is […]

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The Case of Laminated Versus Double Glazed Glass Units

Question: Dear Glass Detective, I am building a retirement home for my husband and I, and have had two quotes – one for laminated glass and the other for double glazed glass, the second one being more expensive. I do not understand the supplier’s explanation of the differences between the two. Could you help me […]

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The Case of the Glass Staircase Railing

Question: Dear Glass Detective, We would like glass to go clear down to our stair landing. We know it needs to be safety glass. If one were to fall down the stairs, into the glass, and break through it, they would fall another 5ft. down to a deck. We assume a guard rail might be […]

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The Case of the Tractor Windshield

Question: Dear Glass Detective, Kubota offers a tempered glass windshield for 2 of their models that have a maximum speed of 25 mph. The model I have is supposed to go 29 mph and Kubota says that’s too fast for the tempered windshield. Their tempered model is $750 and the laminated model is $1200. Does […]

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The Case of the Re-purposed Shower Door

Question: Dear Glass Detective, I would like to re-purpose a 1/4″ (6mm) tempered glass shower door as a sloped awning over an entry. The dimensions of the glass are 30″x60″. My question is whether there is a chart available that can tell you what thickness of glass is needed for what loads? There would be […]

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The Case of the Skylight Replacement

Question: Hi Glass Detective, I am replacing an old bubble type skylight with a curb mount Velux. I have a few tall fir trees around my house and in storms have huge pine cone and some branches come bouncing on the roof. Is it best to get a tempered or laminated glass skylight for best […]

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The Case of the Solvent vs. Carbon Based Urethane

Question: Hi Glass Detective, When choosing between a solvent based urethane and a carbon based urethane, what goes into your factoring? James N. Glendale, AZ Answer: James, Thank you for contacting the Glass Detective with your question regarding the use of urethane products. As you may know, there are a number of urethane products on […]

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The Case of “R Value” vs. “U Value” of Glass

Question: What is the “R-Value” of Glass? Glass Detective, Can you tell me how to calculate the “R-Value” of glass based on its “U-Value”? I have an issue with a building inspector in my town based on energy codes, and my wall area must achieve a certain overall “R-Value” for me to get a certificate […]

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Glass Railing Systems

The Case of the Reticent Railing Remodeler Dear Glass Detective, Would you please advise me whether to choose between laminated or tempered glass for a frameless glass railing system on my balcony in the 4th floor of a building? Will ½” glass be considered safe or should I ask for a thicker glass? I want […]

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