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Thread: Roof cover identification
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02-02-2022, 02:26 PM #1
Roof cover identification
This home was built in 1900 and was two story, so I was not able to get close to the coverings and could not find any chunks in the yard. What type of shingle is this?
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02-02-2022, 02:45 PM #2
Re: Roof cover identification
The ridge tiles look like clay tile.
Based on the ridge tiles being clay tile, my guess would be clay field tiles also.
Clay tiles have been around for eons, typically barrel tile shape profile (and modern versions of that profile), but also with a flat tile profile such as shown (and modern versions of a flat profile).
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02-02-2022, 03:41 PM #3
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02-02-2022, 04:08 PM #4
Re: Roof cover identification
In my area, lots of concrete tiles, but not much in clay. And, like Jerry, I have not seen a flat clay. However, given the age (and assuming an old roof) clay is a reasonable hypothesis. Back that far, instead of large mega manufacturers, it was not uncommon to have local manufacturers.
In addition, I rather doubt concrete was used 120 years ago (neither was Cemwood or any of the other failure-prone products).
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02-02-2022, 04:29 PM #5
Re: Roof cover identification
I have seen flat clay tile - some the same thickness throughout the tile; some with thicker foot (bottom), head (top), and sides/edges than the center area; some with square edges and some with edges designed for an overlap/underlap installation.
Typically, the older flat tiles were the same thickness throughout and square edges (advances in tile engineering/design came up with using less material in the center, and then with the overlap/underlap edges).
However, given the age (and assuming an old roof) clay is a reasonable hypothesis. Back that far, instead of large mega manufacturers, it was not uncommon to have local manufacturers.
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02-03-2022, 05:55 AM #6
Re: Roof cover identification
Other than the ridge caps, the horizontal fracture reminds me of cement-asbestos tiles.
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02-03-2022, 06:20 AM #7
Re: Roof cover identification
While I agree that asbestos-cement tiles can break like that, flat clay tiles can also break that way. Flat concrete tiles can also break that way.
I've seen many flat profile concrete and clay roof tile cracked off like the photos show. While I don't recall having seen asbestos-cement roof tiles/shingles, but I have seen asbestos-cement siding shingles broken like that.
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