This method ensured the twofold advantage of clearing a little platform closed in on three sides in front of the tomb, and also of forming an upright facade which could be decorated or left plain, according to the taste of the proprietor.

The door, sunk in the middle of this facade, has sometimes no framework; sometimes, however, it has two jambs and a lintel, all slightly projecting.
The inscriptions, when any occur, are very simple, consisting of one or two horizontal lines above, and one or two vertical lines down each side, with the addition perhaps of a sitting or standing figure.

These inscriptions contain a prayer, as well as the name, titles, and parentage of the deceased.

The chapel generally consists of a single chamber, either square or oblong, with a flat or a slightly vaulted ceiling.

Light is admitted only through the doorway.