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Ridge, ridging
The line at which two roof-slopes (skews) meet at the highest point. Ridging is the material used to cover a ridge, though some sloping ridges have no cover. Ridging may be made of lead, aluminium, zinc, cast-iron, terra-cotta, fireclay, or stone. Sometimes ornamental details are incorporated in ridging material.
Related Words Aluminium; Cast iron work; Fireclay; Lead; Skew, skewput; Terra cotta; Zinc
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