Gold Bond 1/2-in x 4-ft x 8-ft High Strength LITE Regular Drywall Panel ...
Gold Bond High Strength LITE Drywall is a specialty gypsum board that is formulated to be 25% lighter than original 1/2-in High Strength Drywall. The result is a superior board that is lighter in weight, sag resistant, and easier to handle. High Strength LITE Drywall Board can be used for walls and ceilings in non-fire rated single layer ...
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US8016961B2 - Gypsum wallboard and method of making same
A coalescing additive is used in the manufacturing process for gypsum wallboard. Such an additive increases the surface area and density of the slurry at the paper to core interface by coalescing the cells away from the paper core interface. This permits a stronger paper to core bond to form and increases the compressive strength of the gypsum wallboard as …
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GA-235-2019 Gypsum Board Typical Mechanical and Physical Properties
GA-235-2019 Gypsum Board Typical Mechanical and Physical Properties. A useful reference for architects and engineers, especially at the project design stage. Includes tables with data on. flexural strength, weight per unit area, negative wind load resistance and many other mechanical and physical properties.
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Gypsum - Nature's Way Resources
Gypsum is a naturally occurring mineral that is made up of calcium sulfate and water (CaSO4+2H2O) that is sometimes called hydrous calcium sulfate. It is the mineral calcium sulfate with two water molecules attached. By weight it is 79% calcium sulfate and 21% water. Gypsum has 23% calcium and 18% sulfur and its solubility is 150 times that of ...
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2018 INTERNATIONAL BUILDING CODE (IBC) | ICC DIGITAL …
Gypsum board and gypsum panel products secured to framing with adhesives in ceiling assemblies shall be attached using an approved fastening schedule. Expandable adhesives for fastening gypsum wallboard shall conform to ASTM D6464. Other adhesives for the installation of gypsum wallboard shall conform to ASTM C557.
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Gypsum Board - an overview | ScienceDirect Topics
Gypsum wall board, also known as drywall, or plasterboard is a plaster-based wall finish that is available in a variety of standard sizes; 4 ft wide by 8 ft high is the most common. Thicknesses vary in 1/8-inch increments from 1/4 to 3/4 inch. Gypsum wall board, which is also known by its proprietary names Drywall and Sheetrock, is ubiquitous ...
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Abuse-Resistant Gypsum Panels: Commercial Construction
Abuse-Resistant Gypsum Panels are commonly manufactured in a 5/8" (15.9 mm) thickness, a 48" (1220 mm) width and lengths from 8' (2440 mm) to 12' (3660 mm). Many paper-faced, abuse-resistant panels are made with facer materials that contain high percentages of recycled fiber while core formulations containing recycled gypsum content ...
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US20110179975A1 - Compressive strength improvement of cement and gypsum ...
The invention relates generally to a cement or gypsum composition having improved properties, which is prepared by incorporating an enzyme into a cement material such as a cement, mortar, or concrete, or into a gypsum product. The invention also relates to methods of manufacturing improved cement compositions and gypsum products, methods of improving the compressive …
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Gold Bond® Gypsum Board - Gold Bond® Building Products
For speed of installation, GridMarX® guide marks are printed on the paper surface. Gold Bond® Gypsum Board consists of a fire-resistant gypsum core encased in heavy natural-finish, recycled paper on the face and back sides. The face paper is folded around the long edges to reinforce and protect the core, and the ends are square-cut and ...
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APPLICATION OF RECYCLED GYPSUM WALLBOARDS IN …
durability. Used gypsum wallboard is often sent to landfills instead of being recycled, which can cause leachates with harmful environmental and health effects. Eight mixtures containing different combinations of cementitious material including cement, gypsum and fly ash were mixed with water and aggregates and placed in 50 mm mortar cube molds.
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LIGHTROC® Lightweight Gypsum Board - American Gypsum
LIGHTROC® Lightweight Gypsum Board. LightRoc® gypsum wallboard is lighter in weight than traditional 1/2" drywall and is designed for use in wall and ceiling applications spaced no more than 24"o/c. LightRoc® is approved to be applied parallel or perpendicular to ceiling framing spaced up to 24" o/c, even when a hand applied or water-based texture is used for decoration.
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Our Company - American Gypsum
American Gypsum Company LLC has been manufacturing, selling, and distributing gypsum wallboard products for over half a century. American Gypsum. Main navigation ... exceptional gypsum, sandwiched between recycled paper, is the key to the optimum workability, light weight, and strength of American Gypsum wallboard products, allowing us to ...
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US4009062A - Gypsum wallboard -- making process and product …
A specially prepared paper bond liner, gypsum wallboard, and gypsum wallboard process which bonds the liner to the core by an adhesive confined to the paper-core interface, the adhesive comprising certain starches placed on the bond liner in their raw state. US4009062A - Gypsum wallboard -- making process and product - Google Patents ...
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Gypsum wallboard in the USA - Global Gypsum
The Global Gypsum Directory 2013 states a gypsum wallboard capacity of 3549 million square metres (MM 2 /yr) in the country across 64 plants operated by seven producers. 3 With a global gypsum capacity of 12,866MM 2 /yr, the US represents around 28% of the world's gypsum wallboard production capacity.
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Making Gypsum Board – Gypsum Association
ASTM standards govern the manufacture of gypsum board and set strict criteria for strength, water resistance, and other characteristics. To produce gypsum board, crushed natural gypsum or synthetic gypsum is heated or calcined to dehydrate the feedstock. Next the calcined gypsum is mixed with water and additives to form a slurry which is fed ...
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M-BLOC® Impact Resistant Type X Gypsum Board
M-Bloc IR Type X interior gypsum panels are recommended for commercial and institutional construction where greater resistance to impact, abrasion, abuse and indentation are required. These UL classified panels are allowed for use in any fire rated design where American Gypsum's 5/8" Type X wallboard is approved.
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LIGHTROC® Lightweight Gypsum Board - American …
LIGHTROC® Lightweight Gypsum Board. LightRoc® gypsum wallboard is lighter in weight than traditional 1/2" drywall and is designed for use in wall and ceiling applications spaced no more than 24"o/c. LightRoc® is approved to be applied parallel or perpendicular to ceiling framing spaced up to 24" o/c, even when a hand applied or water-based texture is used for decoration.
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FIREBLOC® Type X Gypsum Board - American Gypsum
FIREBLOC® Type X gypsum wallboard is the preferred product in the industry due to its consistently high quality standards. The core has been reinforced with the addition of fibers, increasing its strength and providing fire resistance ratings when used in tested assemblies. The fire-resistant gypsum core is encased in recycled natural ...
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Solutions for Gypsum Wallboard - BASF
Additionally, manufacturers are looking for high-strength Gypsum Wallboard and lower energy consumption during production. BASF offers an innovative ing agent solution which helps customers to produce lightweight Gypsum Wallboard. Furthermore, when compared to normal superplasticizers, BASF's superplasticizer solution offers additional ...
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Gypsum Wallboards - BASF
Gypsum wallboard is a common construction material in commercial and residential buildings, due to the product's light weight, it facilitates easier installations, and saves both raw material and logistical costs. Additionally, it lowers energy consumption during the transportation process and reduces the building weight.
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LIGHTROC® Type X Gypsum Board - American Gypsum
Basic Uses. American Gypsum's lightweight 5/8'' LightRoc Type X wallboard is normally used to achieve specific fire rated assemblies in commercial and residential applications. It is designed for direct attachment by screws, nails, or adhesive to wood or metal framing and even existing surfaces. With joints covered, LightRoc Type X gypsum ...
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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 ...
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US8034203B2 - Gypsum wallboard with improved nail pull strength …
Repulped fiber that has been treated with an aqueous solution of a caustic selected from sodium hydroxide, potassium hydroxide and sodium carbonate, is used to make wallboard paper that is used to make a gypsum wallboard having improved nail pulling strength compared to gypsum wallboard made with fiber wallboard paper that has not been treated with caustic.
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GA-235-2017 - Gypsum Board Mechanical & Physical Properties
gypsum wallboard 760 1770 1/2 (12.7) gypsum wallboard 650 1512 MISCELLANEOUS Thermal Properties (typical) R and C values developed using ASTM C177 Standard Test Method for Steady‐State Heat Flux Measurements
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Gypsum Board Types & Gypsum Products | Georgia-Pacific Gypsum
Since 1965, Georgia-Pacific Gypsum has been committed to developing the highest quality gypsum building products in the industry. Our versatile ToughRock ® gypsum boards are ideal for a wide range of commercial and residential interior applications, and our Dens ® family of high-performance fiberglass mat-faced gypsum products offer exceptional strength and …
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(PDF) Different Compressive and Tensile Strength of Moulded Gypsum …
Different Compressive and Tensile Strength of Moulded Gypsum Under Various Strain Rates from Quasi-Static to Dynamic Regime …
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Impact-Resistant Gypsum Panels: Commercial Construction
Long edges are typically wrapped with the facer material and tapered to simplify joint finishing while short edges are cut square. The dimensions of Impact-Resistant Gypsum Panels are typically 5/8" (15.9 mm) thick, 48" (1220 mm) wide and 8' (2440 mm) to 12' (3660 mm) long. In some cases, paper-faced, Impact-Resistant Gypsum Panels are ...
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Solutions for Gypsum Wallboard - BASF
Submit request. Gypsum wallboard is a common construction material in both commercial and residential buildings. The market is looking for lightweight Gypsum Wallboard because it saves cost on both raw material and logistics, and it is easier to install. Additionally, manufacturers are looking for high-strength Gypsum Wallboard and lower energy ...
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(PDF) PERSPECTIVES ON EFFECTIVENESS OF GYPSUM …
several layers of paper for ming a thick board with a hardened exterior due to the co mpressive force ... of the gypsum wallboard and the ... low as 0.66N/mm2 compressive strength value and as ...
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Lightweight Drywall, Wallboard Panels | ToughRock Lite-Weight Gypsum Board
Lighten up your project without losing strength. Meet ASTM C1396 Section 5 gypsum wallboard and Section 12 gypsum ceiling board specifications, with the lighter, dimensionally stable ToughRock® Lite-Weight Gypsum Board. This ½" (12.7 mm) gypsum board is ideal for use as a wall or ceiling covering material in both new building construction ...
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What is the Difference between Drywall and Gypsum Board?
Gypsum vs. Drywall. Drywall is a finishing product mainly used for building interiors. They can sometimes be referred to as gypsum board, while gypsum plaster, on the other side, is a material that is used for making drywall. It is manufactured using fiberglass matting covering. Depending upon the maker, sometimes the drywall can be made from ...
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Gypsum Underlayment Repair Protocol Solutions | USG
When repairing damaged and/or low compressive strength gypsum underlayment, you must maintain the fire rating for the floor/ceiling assembly. After removing the original gypsum underlayment, the replacement product must be listed by name or by UL Type Designation in the UL assembly that describes the floor/ceiling being repaired. Some gypsum-based repair …
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