Drywall c-9 (Glossary of gypsum board
terminology) Actual Exam Questions and
Answers (A+ Guide Solution) Newest
2025/2026
Absorption - Answer--The ingestion of water Into the gypsum board as determined by ASTM
accelerator - Answer--An additive used in the manufacturing process of gypsum products that shortens
time for the gypsum core to hydrate or set
across - Answer--(Perpendicular to framing): Refers to the application of gypsum board where long
dimension is applied at right angles to the framing
adhesive - 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 - Answer--A means of applying gypsum board utilizing adhesives and supplemental
mechanical fasteners
, adhesive bond - Answer--The adhering characteristics of adhesives as determined by a test method
specified in ASTM C 474 Sec. 14 and 15
Back - 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 - Answer--A short piece of gypsum board adhesively laminated behind the joints between
each framing member to reinforce the joint.
Back Clip - Answer--Specially designed clips attached to the back of gypsum board that fit into slots or
other formations in the framing to hold the gypsum board in place. Often used in demountable partition
designs
Backcut - Answer--A series of relief cuts made on the back surface to facilitate bending the piece
backing board - Answer--1. A gypsum product designed for use as the first or base layer in a multilayer
system
2. A base layer in ceiling for the adhesive application of acoustical tile
Banding - Answer--Metal or plastic strapping to secure bundles of gypsum products together in a
shipping unit
banjo taper - Answer--A mechanical device which dispenses tape and taping compound simultaneously
baseboard - Answer--A vinyl, wood or metal trim or molding applied at the floor line to protect the
vertical wall from damage
Base layer - Answer--The first or interior layer of gypsum board applied in a multilayer system
terminology) Actual Exam Questions and
Answers (A+ Guide Solution) Newest
2025/2026
Absorption - Answer--The ingestion of water Into the gypsum board as determined by ASTM
accelerator - Answer--An additive used in the manufacturing process of gypsum products that shortens
time for the gypsum core to hydrate or set
across - Answer--(Perpendicular to framing): Refers to the application of gypsum board where long
dimension is applied at right angles to the framing
adhesive - 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 - Answer--A means of applying gypsum board utilizing adhesives and supplemental
mechanical fasteners
, adhesive bond - Answer--The adhering characteristics of adhesives as determined by a test method
specified in ASTM C 474 Sec. 14 and 15
Back - 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 - Answer--A short piece of gypsum board adhesively laminated behind the joints between
each framing member to reinforce the joint.
Back Clip - Answer--Specially designed clips attached to the back of gypsum board that fit into slots or
other formations in the framing to hold the gypsum board in place. Often used in demountable partition
designs
Backcut - Answer--A series of relief cuts made on the back surface to facilitate bending the piece
backing board - Answer--1. A gypsum product designed for use as the first or base layer in a multilayer
system
2. A base layer in ceiling for the adhesive application of acoustical tile
Banding - Answer--Metal or plastic strapping to secure bundles of gypsum products together in a
shipping unit
banjo taper - Answer--A mechanical device which dispenses tape and taping compound simultaneously
baseboard - Answer--A vinyl, wood or metal trim or molding applied at the floor line to protect the
vertical wall from damage
Base layer - Answer--The first or interior layer of gypsum board applied in a multilayer system
