Differences Between Gypsum Board and Plasterboard | …

Gypsum board is the generic name for the building material composed of gypsum and paper facers. The facing can be a variety of materials today, but it's all still gypsum board at heart. To make it, gypsum is quarried, crushed and then ground into powder and heated until it undergoes a process called calcining, which happens when 75 percent of ...

Lead Lined Gypsum Board | Lead Lined Sheetrock & …

Mayco supplies sheet lead for the lead-lined gypsum board (drywall) in various thicknesses, depending on the levels of radiation shielding your construction calls for. Most of our lead-lined board is shipped as 5/8 inches …

11.16 Gypsum Manufacturing - US EPA

the board end sawing area and is trimmed and bundled for shipment. 11.16.2 Emissions And Controls2,7 Potential emission sources in gypsum processing plants are shown in Figure 11.16-1. While particulate matter (PM) is the dominant pollutant in gypsum processing plants, several sources may emit gaseous pollutants also.

Gypsum Board - Gyproc Plain Plaster Board for False ...

Fire Resistance is performance parameter of entire wall or ceiling system. However, Gypsum boards by its chemistry (inherent water molecules) are fire retardant & Gypboard ® plain is Class 1 material as per BS 476 Part7. For Requirement More than 60 minutes fire rating we recommend Gyproc Fireline Board.

THE INTERIOR GUIDE - TSIB

The Interior Guide – September, 2015 Page 2 of 43 INTRODUCTION For a while now, there has been a lack of understanding of the issues and concerns that come between the industry trades of gypsum board finishing, paint and wallcovering application and what is stated in the project specifications.This lack of understanding leads

Company Profile - Knauf

Drywall construction is the business area with the highest turnover for Knauf and a total of 1.1 billion square metres (m²) of board sheets have been sold by Knauf. In addition, there are gypsum fibre boards and partition boards. An …

Gypsum Board - an overview | ScienceDirect Topics

Gypsum board is the most common indoor building material in the United States. In the United States and Canada, gypsum board is manufactured to comply with ASTM Specification C 1396 which was designed to replace several existing ASTM specifications, leaving one reference standard for all gypsum board products.

What is Gypsum Board? – Gypsum Association

Gypsum board is one of many gypsum panel products, defined in ASTM C11, Standard Terminology Relating to Gypsum and Related Building Materials and Systems, as "the general name for a family of sheet products consisting …

KNAUF - The Leading Manufacturers of Gypsum Board

It is the combination of sound,materials and surfaces that creates great living spaces. We are one of the leading manufacturers of gypsum-based building materials in the Middle East & India. Founded in 1932, by two brothers and mining engineers Alfons & Karl, Knauf is a multinational company with operations in more than 150 production sites ...

CHAPTER 25 GYPSUM BOARD AND PLASTER - ecodes.biz

gypsum board to a horizontal diaphragm ceiling shall be as defined in Table 2508.5. Fasteners shall be spaced not more than 7 inches (178 mm) on center (o.c.) at all supports, including perimeter blocking, and not more than 3/ 8 inch (9.5 mm) from the edges and ends of the gypsum board. 2508.5.5 Lateral force restrictions. Gypsum board shall

GYPSUM BOARD CEILING SYSTEMS - Knauf

• Gypsum based high performance drywall building materials, system and accessories. • ASTM certified products & systems – Ceiling, Partition, Wall Lining and Cinema System. • Knauf Aquapanel cement boards for interior, exterior and universal usages.

Materials - GRFG - Formglas

Glass Fiber Reinforced Gypsum is a composite of high strength alpha gypsum reinforced with glassfibers that can be factory molded into virtually any shape or size. GFRG (or GRG) is a non-combustible material (test results of flame spread and smoke development values as per ASTM E-84) and even the largest parts only weigh 2-3 pounds per square ...

Drywall, Gypsum Board Materials & Products | USG

Drywall Materials. USG is your source for gypsum board products. As the leading gypsum board manufacturers in the industry, our USG Sheetrock® drywall and Durock® drywall brands are just two examples of the quality that we can offer projects. Here, you'll find many varieties of wholesale drywall, as well as various accessories, including ...

Gypsum Board Industry - Forbo

The wet gypsum mixture is formed and hardened on it as a flat endless sheet between two layers of heavyweight paper. Technical Requirements of the belts. To manufacture high-quality plasterboard, the surface quality of the belt has to be …

Method Statement For Installation Of Gypsum Board ...

1. PURPOSE: To ensure that the Gypsum Board Suspended Ceiling and related activities are executed safely and in accordance with the contract requirements and that all quality assurance / control activities are conducted in a systematic …

GYPSUM PANEL PRODUCTS TYPES, USES, SIZES, AND …

Gypsum Backing Board Tile Base C 1396, C 630 GA-216 1, 2 8. Glass Mat Water- Resistant Gypsum Backing Board Tile Base C 1178 † 1, 2 9. Gypsum Backing Board Base for Multi-Ply Systems C 1396, C 442 GA-216 1, 2, 3 10. Gypsum Lath Base for Gypsum Plaster (C 28) C 1396, C 37 ASTM C 841 1, 2, 3 11.

How drywall is made - material, manufacture, making, …

• Gypsum based high performance drywall building materials, system and accessories. • ASTM certified products & systems – Ceiling, Partition, Wall Lining and Cinema System. • Knauf Aquapanel cement boards for interior, exterior and universal usages.

Standard Core Gypsum Board - USG Boral Philippines

Standard is a type of regular core gypsum board. It is encased in a strong recycled paper liner, Ideal for a wide range of residential and commercial internal wall and ceiling applications. Standard is used where fire resistance ratings, impact, and water resistance are not required.

Moisture Resistant Gypsum Board - CertainTeed

ProRoc® Moisture Resistant Type X – gypsum (noncombustible) with proprietary formula for fire resistance performance and hydrophobic treatment. EDGE Tapered, paper bound – factory finished END Square – factory cut PRODUCT STANDARDS • CAN/CSA-A82.27 Gypsum Board • ASTM C 1396 Gypsum Board • ASTM C 630 Water-resistant Gypsum …

USG BORAL TECHNICAL GYPSUM BOARD PORTFOLIO

Do not fasten gypsum board to top and bottom track Tape and set joints to external layers only 60mm nom 300mm 200mm Vertical and horizontal joints to be staggered with adjacent and opposite boards Fasteners spaced at 300mm in field and at 200mm on the edges of the gypsum board Fasteners 10-16mm from edge of sheet Acoustic insulation if required

Gypsum Board Systems - BuildSite

Gypsum Board is manufac-tured with a type X core to achieve fire resistance ratings when used in recommended systems. Refer to page 66. Gold Bond BRAND Fire-Shield C Gypsum Board has a specially formulated type X core to achieve superior performance when used in specific fire rated assemblies. May be used in designs requiring Fire-Shield

Formaldehyde additives in US-made drywall | Healthy ...

US EPA testing in 2009 detected formaldehyde in the core material of boards made by U.S. manufacturers. Testing by the State of California in 2003 found that both of the standard gypsum boards they sampled emitted more formaldehyde than allowed under the Section 01350 testing protocol for offices.