How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
What are the roof deck/sheathing panels that look like pressed spaghetti?
Thursday, April 21, 2022
It’s called Tectum, and the first question we usually get asked about it is “Does this stuff contain asbestos?” No it does not. Tectum is manufactured from excelsior (long, thin wood strips, a byproduct from shaving logs that is also used for craft projects and packing material) and a hydraulic cement slurry, pressed together under heat. First produced in 1949 by the Tectum Company, it was popular with Florida's "mid-century modern" architects as an exposed roof sheathing that also has sound deadening qualities.
Today it is mostly used as a ceiling material or exposed roof decking in noisy public spaces like high school gyms and public pools. But it was once a nifty detail for architect-designed homes, like the one shown above.
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To learn more about roofs and attics, see these other blog posts:
Thanks to home inspector Harry McBride, Gainesville, FL, for top photo.
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