Dictionary of Moisture Protection & Restoration

Quoin - coing - coin = Large square stone of brick set at the corner formed by two masonry walls. Projects out from the corner in some cases. Racking = Laying or stepping back each higher masonry course. Raggle = Groove or slot in a masonry unit; slot is cut along one side to receive the edge of the flashing. Also reglet. Ragwork = Crude masonry, laid in a random pattern of thin- bedded, undressed stone. Polygonal rubble which is set on edge as exterior facing. Rake out - raking = Cleaning out mortar from a joint; both fresh or old. Random work - random range work =

Masonry of rectangular stone not laid in regular courses, but broken up by the use of stones of different heights and widths, fitted closely. RBM = Reinforced –Brick-Masonry.

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