diamond slate

diamond slate

An asbestos cement shingle or slate, approx. square in shape, with two corners nipped for use in diagonal slating.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Fitted new contemporary silver kitchen with black diamond slate floor and range cooker .
Hefin Lloyd Davies with one of the diamond slates found while working on the Porthmadog bypass The finds are catalogued for study