roofing slate


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roofing slate

[′rüf·iŋ ‚slāt]
(materials)
Hard varieties of slate varying in size from 12 × 6 inches (30 × 15 centimeters) to 24 × 14 inches (60 × 35 centimeters), and from ⅛ to ¾ inch (3 to 19 millimeters) in thickness.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

slate

A hard, brittle metamorphic rock consisting mainly of clay minerals, characterized by good cleavage along parallel planes; used extensively as dimension stone in thin sheets for flooring, roofing, panels (both decorative and electrical), and chalkboard, and in granular form as surfacing on composition roofing.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Its high quality also means we are able to make very large roofing slates that other manufacturers have difficulty making.
"We are, and always will be the most expensive roofing slate in the world, but no-one can argue that it is the best quality material," he said.
As much as half the roofing slate is sold to heritage replacement markets in the UK, Australia and New Zealand.
As much as half the roofing slate is sold to heritage replacement markets in the UK, Australia and New Zealand: St Pancras Station in London - recently reroofed in Blaenau Ffestiniog slate - is a good example of that.
Thanks to an increasing demand for Welsh roofing slate, he said, the company was building a new plant in Penrhyn and importing machinery from Italy, which bodes well for the future of the workforce.
He is charged with affray and criminal damage to roofing slates of a newsagents shop on the same day amid allegations of a roof-top standoff with the police.
O'Brien's showroom stocks reclaimed Welsh roofing slates, tiles, bricks, stone, flooring, radiators, fireplaces, garden furniture and a large selection of vintage treasures, plus much more.
Woodburning stove "It is a focal point of the living room, sitting on a hearth made from reclaimed roofing slates, with a log basket off to one side and an old railway lamp off to the other."
All roofing slates quarried in Vermont carry the highest rating available, which is an S1 grade.
All roofing slates, structural timber and floor boards are also saved for future use.
As for roofing slates, they shut down quarries in Scotland and Wales and we now import most of them from Spain.