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Gypsum - definition of gypsum by The Free Dictionary

Define gypsum. gypsum synonyms, gypsum pronunciation, gypsum translation, English dictionary definition of gypsum. n. A widespread colorless, white, or yellowish mineral, CaSO4 · 2H2O, used in the manufacture of plaster of Paris, various plaster products, and...

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Gypsum plaster: description, properties, features of use ...

Even homeowners, far from the foundations of construction, will not come to mind to question the need for finishing work in the repair process. In this regard, it...

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What is Gypsum Board? – Gypsum Association

Gypsum board is the technical product name used by manufacturers for a specific board with a gypsum core and a paper facing and may be further described as follows: Regular Gypsum Board – a gypsum board with naturally occurring fire resistance from the gypsum in the core; or

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National Gypsum Company Construction Guide Rev. 07/2017 341 v eneer brand p laster Systems deSCrIpTIoN Gold Bond® ®brand X-KALibur Extended Set Veneer Plaster is a mill-mixed veneer finish plaster for smooth troweled applications

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SECTION 09 23 00GYPSUM PLASTERING. SPEC WRITER NOTES: Delete between // // if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. Do not use gypsum plaster in areas where the ceiling and walls will be subjected to frequent moisture or wetting.

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Drywall - Wikipedia

Drywall (also known as plasterboard, wallboard, sheet rock, gypsum board, or gypsum panel) is a panel made of calcium sulfate dihydrate (), with or without additives, typically extruded between thick sheets of facer and backer paper, used in the construction of interior walls and ceilings. The plaster is mixed with fiber (typically paper, fiberglass, asbestos, or a combination of these ...

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unified facilities guide specifications references are in agreement with umrl dated april 2019 ***** section table of contents division 09 - finishes section 09 23 00 gypsum plastering 08/16 part 1 general 1.1 references 1.2 submittals 1.3 quality assurance 1.3.1 sample panels 1.4 delivery, storage, and handling 1.5 gypsum plaster full size sample

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Manufaturing Plasters - royalgyp

Product Description: ... Gypsum plaster has good insulation properties, fire resistant and impact resistant. Also, gypsum saves a lot of time during construction and has superior finish. These properties have clearly drawn attention of real estate builders and contractors towards choosing gypsum plaster over traditional cement plaster.

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NAICS Code: 327420 Gypsum Product Manufacturing | NAICS ...

327420 - Gypsum Product Manufacturing. This industry comprises establishments primarily engaged in manufacturing gypsum products, such as wallboard, plaster, plasterboard, molding, ornamental moldings, statuary, and architectural plaster work.

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12TH EDITION National Gypsum Construction Guide

gypsum construction guide national gypsum products for all your building needs ... 40 national gypsum conventional plaster systems details description suspended metal lath ceilings technical data size and spacing of channel for suspended ceilings center to main channel

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USG 10-lb Bucket Premixed Foundation Plaster at Lowes

USG 10-lb Bucket Premixed Foundation Plaster at Lowe's. USG Plaster Bonder provides enhanced plaster adhesion to surfaces like gypsum plaster, cinder .

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Gypsum - Wikipedia

Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4 ·2H 2 O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard/sidewalk chalk, and drywall.A massive fine-grained white or lightly tinted variety of gypsum, called alabaster, has been used for sculpture by many cultures including ...

  • Crystal class: Prismatic (2/m), H-M symbol: (2/m)Get Price
Description for 3275: Gypsum Products | Occupational ...

Industry Group 327: Concrete, Gypsum, And Plaster Products 3275 Gypsum Products Establishments primarily engaged in manufacturing plaster, plasterboard, and other products composed wholly or chiefly of gypsum, except articles of plaster of paris and papier-mache.

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b = Gypsum Backing Board and Gypsum Coreboard c = Water-Resistant Gypsum Backing Board d = Exterior Gypsum Soffitt Board e = Gypsum Sheathing Board f = Gypsum Base for Veneer Plaster g = Gypsum Lath h = Gypsum Ceiling Board 2 See ASTM C 473 for a description of Methods A and B Effective Stiffness (EI)* (typical range)

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National Gypsum Company

Description Gold Bond® BRAND Two-Way Hardwall Plaster is a basecoat gypsum neat plaster which requires the job site addition of an aggregate and water to produce working qualities. When properly proportioned with aggregate, Two-Way Hardwall Plaster forms a hard, durable base for the finish coats of another gypsum plaster.

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Gypsum Board Finish Levels - thebalancesmb

Apr 23, 2019 · Gypsum Board finish requirements are specified on almost every construction projects. Either a small wall or room, or entire areas, gypsum board finishes are a standard among construction professionals, and every level has its particular characteristics. Follow these guidelines to obtain your required gypsum board finish level.

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Gypsum Mineral | Uses and Properties

Uses of Gypsum. Gypsum uses include: manufacture of wallboard, cement, plaster of Paris, soil conditioning, a hardening retarder in portland cement. Varieties of gypsum known as "satin spar" and "alabaster" are used for a variety of ornamental purposes; .

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Gypsum Poisoning | Healthy Living

Description. Gypsum in its natural state is a mineral known as calcium sulphate dehydrate, and it's found in a crystalline form in sedimentary rock formations and on the bottoms of lakes. ... The base is then used for gypsum plaster in wallboard and other materials using gypsum. Gypsum is also referred to as plaster of Paris and was ...

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Gypsum | Minerals Education Coalition

Description. Gypsum is a mineral found in crystal as well as masses called gypsum rock. It is a very soft mineral and it can form very pretty, and sometimes extremely large colored crystals. Massive gypsum rock forms within layers of sedimentary rock, typically found in thick beds or layers.

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A EECOMAISSANCE OF THE GYPSUM DEPOSITS OF CALIFORNIA. By FRANK L. HESS. INTRODUCTION. The growing use of gypsum as wall plaster (hard plaster) and in cement, as well as for minor uses, such as in stucco and as a fertilizer, ... Short descriptions of gypsum deposits in .

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