On the best functioning slate roofs, the water flows down slope parallel with the length of the shingle to the next lower shingles. In slate roofing, water migration is controlled primarily by the angle of the roof's slope. The steeper the slope, the less water migration there will be.
What is the function of slate?
Dimension slate is used mainly for electrical panels, laboratory tabletops, roofing and flooring, and blackboards. Crushed slate is used on composition roofing, in aggregates, and as a filler.
How slate is formed?
Slate was formed under low-grade metamorphic conditions—i.e., under relatively low temperature and pressure. The original material was a fine clay, sometimes with sand or volcanic dust, usually in the form of a sedimentary rock (e.g., a mudstone or shale).
How does slate undergo metamorphism?
Slate - Slates form at low metamorphic grade by the growth of fine grained chlorite and clay minerals. The preferred orientation of these sheet silicates causes the rock to easily break along the planes parallel to the sheet silicates, causing a slatey cleavage.25 Sept 2017
Who is the editor of Slate?
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Editor Jared Hohlt
URL slate.com, slate.fr
Commercial Yes
Registration Optional for Slate Plus and commenting only (US readers) Metered paywall (non-US readers)
Launched 1996
Is Slate behind a paywall?
Slate launches a metered paywall to draw more membership revenue from readers, not just listeners. But going forward, we think the way we will truly thrive is by continuing to diversify our revenue — by asking readers like you to support us more directly.”26 Mar 2020
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Slate Has 8 Million Readers, Honest.27 Feb 2006
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Slate Plus is a membership program that enables our most committed readers and listeners to get an enhanced Slate experience, while supporting the work we do. We're asking Slate Plus members to pay us $5 a month or $50 a year to gain access to a richer, smoother Slate experience.21 Apr 2014
Is Slate owned by Washington Post?
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Owner The Slate Group
Created by Michael Kinsley
Editor Jared Hohlt
URL slate.com, slate.fr
Commercial Yes
How do I cancel my subscription to Slate?
Slate Customer Service To turn off renewal, visit your Slate Plus account page after your trial period. You can get there by selecting Account, in the right corner of your browser. (You'll need to be logged in to access this page.) Then click Cancel Autorenew.3 May 2021
How much is Slate monthly?
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