MPdesign Posted March 19, 2013 Report Posted March 19, 2013 How do I read age from this printed on the roof? 1997 correct? Click to Enlarge 26.41 KB
Jim Katen Posted March 19, 2013 Report Posted March 19, 2013 How do I read age from this printed on the roof? 1997 correct? Click to Enlarge 26.41?KB I would not make that assumption.
MPdesign Posted March 19, 2013 Author Report Posted March 19, 2013 I have an issue that the property tax data, prior reports, everything shows 2006 - but the roof looks like it may be 1997 stamped and the HVAC manufacture date (they could have installed old equipment) definitely shows 1998.
Bryan Posted March 19, 2013 Report Posted March 19, 2013 Were there any markings as to whom the manufacturer is? If it is a Firestone product they use a three digit day followed by two digit year. Other words yours would be the 341 day of 1997. Also did you by chance check the date code of the window glazing panels?
MPdesign Posted March 19, 2013 Author Report Posted March 19, 2013 oooo... Where would I find a date code on the windows? Is that normal - that is a new one for me. On most storefronts? Very interesting!
Nolan Kienitz Posted March 19, 2013 Report Posted March 19, 2013 On dual-panel windows it is stamped/etched somewhere on the inside aluminum. A string of numbers.
Bryan Posted March 19, 2013 Report Posted March 19, 2013 oooo... Where would I find a date code on the windows? Is that normal - that is a new one for me. On most storefronts? Very interesting! Most storefront windows and doors have a date code. The main one's I find without a code are cheap replacements. As Nolan indicated, it is typically stamped on the aluminum channel between the glazing panels.
Rob Amaral Posted March 20, 2013 Report Posted March 20, 2013 Never seen that code-scheme... I wipe the material with my fingers to get a sense of degradation... Check seam-condition, flashing penetrations, etc.. etc.. Hard to tell the 'age' based on the condition in that photo... but could be 1997 date of mgfr..
Tom Raymond Posted March 20, 2013 Report Posted March 20, 2013 Unless you know who manufactured the glazing the date codes are going to be useless. If you really want to know the age of the glass look for the 'bug' (the etching that certifies the glass is tempered) on the entry door. It should be relatively easy to judge 8-10 years of aging on commercial building components. A decade equals an enormous amount of abuse.
Mike Lamb Posted March 20, 2013 Report Posted March 20, 2013 That stamp is pretty legible. If you got that code on a flat area of the roof that gets direct sunlight, I would say that is a fairly new roof. I would guess 3 to 4 years tops. Maybe less.
Mike Lamb Posted March 22, 2013 Report Posted March 22, 2013 This was tagged on an EPDM roof today. Immediately thought of this thread. They said the roof was about 5 years old. Looked about right to me. Click to Enlarge 32.47 KB
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