Lang Stone - Supplier of building and landscaping stone for professionals and homeowners in Ohio

Glossary of Terms - J -
JACK ARCH: One having horizontal or nearly horizontal upper and lower surfaces.Also called flat or straight arch.
JAMB: The vertical side of a window or door opening, against which the sash or the door abuts.
JOINT: The space between installed units or between dimensional stones and the adjoining material.
JOINTING: The finishing of joints between courses of masonry units before the mortar has hardened.
JOINTING SCHEME: Architectural drawing detailing dimensions, location and configuration of stone units and joints related to the structure.
JOINTS: Flush, rake, cove, weathered, bead, stripped, and "V".
JOINT REINFORCEMENT: Steel reinforcement placed in or on mortar bed joints.
JOIST: A horizontal member in the framing of a floor or ceiling.
JUMPER: In ashlar patterns, a piece of stone of higher rise than adjacent stones which is used to end a horizontal mortar joint at the point where it is set.
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