Glossary of Stone Masonry Terms
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A handy reference for homeowners.
Grapevine Jointing __ a traditional style of raised jointing formed with various shaped tools. Also called bead jointing or beadwork.
Hardscapes __ man-made structures such as bridges, patios and walkways that are incorporated into a landscape.
Keystone __ the wedge-shaped stone at the top of an arch that locks the other stones into place. Sometimes purely decorative.
MasterCut™ __ a processed natural stone product sawn into similar shapes and dimensions as Cultured Stone®. Sold as corner pieces and flat pieces 1½" to 2" thick.
Mortar __ a mixture of sand and either Portland or brick cement used for all types of masonry.
Mortar Bed __ a layer of fresh mortar applied with a trowel and ready for stone.
Mortar Joints __ the finished space between stones where mortar is visible.
Parging __ applying a thin layer of cement or mortar over masonry.
Rebar __ a ribbed, steel rod used as reinforcement for footings, sidewalks, patios and concrete.
Repointing __ repairing and/or replacing mortar joints between stones with fresh mortar. Sometimes called tuckpointing. Watch demonstration video.
Step Treads __ large stones sold as individual steps or hearthstones ranging in size from 2" to 7" thick.
Thermalling __ the process of using an acetylene torch on some types of sawn stone (typically bluestone or granite) to remove saw marks. Creates a more natural look. Also called flaming.
Veneer Stone __ natural stone with an installed thickness of approximately 2". Sold as flat pieces only. Brick veneer refers to the thickness of one brick or 4½".
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