GLOSSARY 

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J 

J-CLAMP

An oval metal ring used along with J-clamps to clamp a loop of wire rope when connecting it to rigging devices. 

JOB STANDARD

The minimum acceptable standard of quality for a coatings project established prior to beginning the work. 

JOINT COMPOUND

A patching material used in drywall finishing. Joint compound comes in both dry powder and pre-mixed paste. 

JOINT RIDGING OR BEADING

Slight bead or protrusion occurring in centre of finished drywall joint, usually caused by insufficient drying of successive applications of joint compound. 

JOINT TAPE

A mending tape usually embedded in joint compound to conceal and smooth the joint between drywall panels. It can be made of paper, woven glass, fibre, or cloth. 

JOURNEYMAN PAINTER

A painter with training and experience as an apprentice. 

JUXTAPOSITION OF COLOURS

Placing colours side by side, or close together. Complementary colours, such as blue and orange accentuate each other in juxtaposition.