Filleting (solin), weathering formed above a roof-covering and following its slope against the walls which surmount it, to hinder the rain from penetrating between the covering and the wall.

Foot-piece (blochet), piece of wood notched at right-angles on to the wall-plates of a roof to receive the foot of the rafters, and the foot-post, which hinders the rafter from sliding.

Frame (dormant), fixed frame of wood, which receives the leaves of a door or the opening casements of a window.

Gable (pignon), terminal part of a wall, which masks the timbering of a roof and follows its slopes.

Hip (arêtier), exterior angle formed by the meeting of two roof-surfaces on different planes.

Jamb (jambage), vertical side of a window or doorway. The term is only applied to sides of masonry.

Joint (joint), vertical space left between two stones. It is called dry-joint, when the stones are laid close-fitting, without mortar or cement between them; and mortar-joint, when this interval is filled with mortar.

Jointing (appareil), combination of worked stones.

Joist (solive), piece of wood laid horizontally to form flooring and receive the plaster bed on which are laid the floor quarries or the slabs of parquetry. Wood joists cannot, without bending, have a bearing greater than 16 or 17 feet. Their strength and distance apart are determined by their bearing and the weight they should sustain.

Joist-spaces (entrevous), intervals left between the joists of a floor.