Glossary Of Natural Stone Trade Terminologies - J
Author:bea Date:2/25/2009 Read:2014
Jack arch – one having horizontal or nearly horizontal upper and lower surfaces. Also called flat or straight arch.
Joint – the space between stone units, usually filled with mortar.
Jointing scheme – architects drawing detailing dimensions, location and configuration of marble units and joints as related to the structure.
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.