Glossary of Decorative Concrete TermsProvided by The Concrete NetworkA-C |D-F | G-I |J-L | M-O |P-R | S-V |W-Z J joint (control, expansion, or isolation) - Formed, sawed, or tooled groove in a concrete slab used to regulate the location of cracking (control joint) or to allow expansion or movement of adjoining structures. In decorative concrete, joints can also double as delineating design elements in a pattern. joint filler - A compressible material used to fill a joint to prevent the infiltration of debris.
K kerf - A cut in a concrete surface made by a saw or router. (Also see sawcutting.) kneeboards - Boards used by concrete finishers to kneel on when hand floating or troweling concrete flatwork. (Also see spiked kneeboards.) knock-down finish - Achieved by applying a decorative topping with a hopper gun and then using a trowel to knock-down the material to produce a smooth or lightly textured surface.
L laitance - A thin layer of fine, loosely bonded particles on the surface of fresh concrete, caused by the upward movement of water. Laitance must be removed before application of a decorative coating or topping. A-C |D-F | G-I | J-L |M-O | P-R |S-V | W-Z Find a Concrete Contractor 23 Services in 200 Metros -- U.S. and Canada © 2008 ConcreteNetwork.com None of this site may be reproduced without written permission |
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