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What are Gypsum Boards and Types Used in Interiors

Gypsum Boards

Gypsum boards comprise primarily of gypsum core, with a paper surfacing covering the face, back, and long edges.

Common names: Drywall, wallboard, Gyp board, plasterboard, Sheetrock

Gypsum ceiling panels are available with various options – preprinted/unpainted/laminated with a PVC film/perforated boards.

Features and Advantages:

  • Fire resistance: Its core contains chemically combined water which, under high heat, is slowly released as steam, effectively retarding heat transfer.
  • Sound isolation: effectively help control sound transmission.
  • Durability: excellent dimensional stability. Surfaces are easily decorated and finished.
  • Economy: least expensive, readily available, easy to apply.
  • Versatility: adaptability to different types of decoration.
  • Lightweight, flexible, versatile

Edge Types:

  • Rounded
  • Square
  • Tapered Edges
  • Bevelled edge
  • Tongue and groove


Different types and names are available as they vary depending on the manufacturer, location, its use, etc. Most common are:

Regular Gypsum Boards/Plain Boards:

  • Covered with Grey face paper on one side and brown paper on the backside.
  • Thickness ranging from 3/8″ to 1″
  • Ideal where a seamless finish is required.

Moisture Resistant Boards:

  • Covered with green face paper and green/brown backward
  • Contains aerated gypsum core with water repellent additives.
  • Suitable for areas that are prone to moisture.

Fire-Resistant Boards:

  • It is covered with pink face paper and brown on the reverse side
  • Consists of glass fibers and other fire-resistive additives
  • suitable for areas where fire protection is required.

Fire and Moisture Resistant Boards:

  • It is covered with pink face paper and green on the reverse side
  • Consists of glass fibers and other fire-resistive additives
  • Ideal for areas where there is a requirement of fire protection and also for areas that are to be protected from moisture.

Predecorated Gypsum Boards:

  • These boards have a decorative surface that does not require further treatment.
  • Surfaces may be printed, coated, or have a vinyl film.

PVC laminated ceiling panel

Semi perforated ceiling panel


Common thickness used – 1/4″,3/8″,3/4″,1/2″,5/8″

Standard Gypsum boards are 4′ feet wide and 8,10,12, or 14 ft. long. Generally available in 600mmx600mm tiles

Width compatible with the standard framing of studs spaced.

Application of Gypsum Board

Panels can be applied over any base – wood or metal framing or furring.

Can be applied to masonry and concrete surfaces either directly or to wood or metal furring strips.

Single Ply Application

Single gypsum layer used in light residential and commercial construction.

Multi-Ply Application

Multiple systems have two or more gypsum boards and increase sound isolation and fire-resistive performance.

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