How To Identify Slate Roof
Slate roof central how to identify roof slate.
How to identify slate roof. Here is a slate roof that is in poor condition probably beyond repair. Rules of thumb for determining that a slate roof is worn out and not economically repairable. Click to enlarge any image many loose slates sliding down and often pieces of slate on the ground around the building. Soft deteriorated roofing slates may not be obvious from the ground but mean the roof is at end of life.
Get a rock mineral or fossil kit to learn more about earth materials. You may submit up to 3 photos. Textural style roofs use rough textured slates with uneven butts and varied thickness. Carbon black hematite red and purple chlorite and ferrous iron oxide green.
If you cannot get a tile off of the roof please take close up photos of the roof in multiple angles so that we can identify your tile correctly. Standard roofs are laid in uniformly spaced horizontal courses with alternating vertical joints carefully aligned. The color of slate is often determined by the amount and type of iron and organic material that are present in the rock. Specific mineral components are responsible for the various colors.
Please provide a clear picture of the front back logo visible and any other angles you may want to include. The best way to learn about rocks is to have specimens available for testing and examination. Other minerals considered impurities calcite and iron sulfides are slowly transformed by weathering into gypsum which expands and causes the slate to delaminate. This is a generalization as some of these slates fail sooner some last longer.
4 pennsylvania black slate below from the lehigh northampton slate district tends to be the soft slate with a life expectancy of 75 125 years. Standard slate roofs use slates 3 16 to 1 4 thick of one uniform length and width with square tails laid to a line in a conventional shingling pattern. Rock mineral kits. The resulting roof has a very rustic look.