Roman tile

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Roman tile. There are various types, including Single Roman (rectangular with an upstand on one side and a slightly tapered roll on the other that fits over the narrower part of the roll of the tile below as well as covering the upstand of the adjacent tile); Double Roman (large rectangle with an upstand on one side and two tapered rolls, one on the other side and the second in the centre, laid with ‘break joints’, or staggered, but requiring special tiles at the verges to complete the bond); and Old Roman, basilican, or Italian (flat tapered under tile with upstands on both sides, the joints at the upstands being covered by convex tapering over or top rolls, that resemble half truncated cones).


W. McKay (1957)