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![]() #chimney inspection, #Chim-scan factory training, #chimney inspection camera, #chimney scanning & inspection guide, #masonry fireplace, #prefabricated fireplace, #masonry chimney with thimble, #prefabricated chimney, #IRC, #NFPA 311, #Chim-Scan chimney camera Copyright 2025 Estoban Corporation
![]() The leftovers are on the table, the microwave is buzzing, and the turkey is slowly diminishing. Yep, the end of the year is about a month away, and if your fiscal year ends December 31st, it’s time to start thinking about any books or equipment that needs replacing for an end-of-the-year write-off. Our Chim-Scan® Chimney Scanning & Inspection Guides are on sale now through December 14th, 2024, for only $75 (normally $200), including free shipping. This is a great gift idea for your staff! You can place your order online by clicking here. Or give us a call at 641-472-7643. If you need a new Chim-Scan® Chimney Inspection Unit, we need to have your order by December 2nd for your order to ship by the end of the year. Happy Holidays! ![]() These photos of masonry clay flue tiles exemplify what can happen during a chimney fire. A chimney technician gave us these tiles pulled from a chimney after a fire. We brought in a professional photographer to photo document the extent of the damage. As you can see in these photos, flue tiles cracked, and the cracks opened. The soot on the tile exterior burned and dripped. Hairline cracks can open up during a fire, expanding and opening the gateway for creosote, smoke, and flames to escape into the cavity between the tile exterior and the chimney interior. As you can see, moisture and creosote did travel through a crack in the clay flue tile and weak mortar joints and ended up on the tile's exterior. This breakage can also happen from a poor choice of mortar or during a chimney fire. The temperature difference between the interior and exterior walls caused Thermal Stress, leading to Thermal Shock and Stress Fracture(s) in the liner. This article is an excerpt from the Chimney Scanning & Inspection Guide, Phase 1, available on this website. ©2024 Estoban Corporation LLC.
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AuthorTom Urban has worked in the Chimney and Hearth industry for 45 years. He's been an inventor and manufacturer for 40+ of those years. Archives
March 2025
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