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RGMB =
Reinforced-Grouted –Masonry-Brick.
Retarder =
Mortar additive that slows down setting.
Retemper =
To remix mortar by adding more water.
Revetment =
Same as parging.
Rich mortar =
Mortar high in cementitious material.
Rip block =
Concrete block not in full height.
Rise =
Vertical direction.
Rowlock =
Masonry units laid on face edge
with end facing out. Also spelled
rolok.
Rubbed joint =
Flushed mortar joint; joint is
rubbed flat to the face of the masonry units.
Rubble - rubblework =
1.
Rough, irregular stone.
2.
Stone masonry built of
rubble.
Run =
Horizontal direction.