DRYWALL C-9 GLOSSARY OF GYPSUM

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DRYWALL C-9 (GLOSSARY OF GYPSUM

BOARD TERMINOLOGY) UPDATED

ACTUAL EXAM WITH CORRECT SOLUTIONS.

Absorption - correct answer- The ingestion of water Into the gypsum board as determined by ASTM

accelerator - correct answer- An additive used in the manufacturing process of gypsum products that shortens time for the gypsum core to hydrate or set

across - correct answer- (Perpendicular to framing): Refers to

the application of gypsum board where long dimension is applied at right angles to the framing

adhesive - correct answer- A compound, glue or mastic used in the application of gypsum board products to framing or for the laminating one or more layers of gypsum boards

Adhesive application - correct answer- A means of applying gypsum board utilizing adhesives and supplemental mechanical fasteners 1 / 4

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adhesive bond - correct answer- The adhering characteristics of adhesives as determined by a test method specified in ASTM C 474 Sec. 14 and 15

adhesive spreader - correct answer- A notched trowel or special tool to aid in the application of laminating adhesive

adhesive wall clips - correct answer- Special clips or nails with large perforated bases for mastic application to most firm surfaces

Aerial Platform - correct answer- A lifting device for materials and workers

all purpose compound - correct answer- A joint treatment compound that can be used as a bedding compound for tape, a finishing compound, and as a laminating adhesive or texture product

Ames taping tools - correct answer- specially designed tools to mechanically apply taping compound and tape 2 / 4

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angle - correct answer- The point at which two walls intersect; a corner

Annular Ring Nail - correct answer- A deformed shank nail with improved holding qualities specially designed for use with gypsum board.

Asbestos-free compound - correct answer- Joint treatment products that have no asbestos fiber

Back - correct answer- The back surface of gypsum board. The opposite side from the face. Usually the side that would be concealed or the side in contact with the framing. Also referred to as the "code side"

Back Blocking - correct answer- A short piece of gypsum board adhesively laminated behind the joints between each framing member to reinforce the joint.

Back Clip - correct answer- Specially designed clips attached to the back of gypsum board that fit into slots or other formations 3 / 4

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in the framing to hold the gypsum board in place. Often used in demountable partition designs

Backcut - correct answer- A series of relief cuts made on the back surface to facilitate bending the piece

backing board - correct answer- 1. A gypsum product designed for use as the first or base layer in a multilayer system

• A base layer in ceiling for the adhesive application of

acoustical tile

Banding - correct answer- Metal or plastic strapping to secure bundles of gypsum products together in a shipping unit

banjo taper - correct answer- A mechanical device which dispenses tape and taping compound simultaneously

baseboard - correct answer- A vinyl, wood or metal trim or molding applied at the floor line to protect the vertical wall from damage

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