Unlike cement, gypsum is not high in alkaline and does not generate lime during cure, the main reason why alkaline resistant ar fibres are used in glass fibre reinforced cement, grc. Glass fibre reinforced gypsum gfrg panel building system a new solution. Glass fiber reinforced gypsum gfrg glassfiber reinforced gypsum grg glass fiber reinforced plaster fabrications manufacturer formglas products ltd. Grp glass reinforced plastics, suspended ceilings and partitions. This plaster and water is then reinforced with e glass fiber strands, 5% to 6% by weight. Typical items include column covers, ceiling domes, ceiling vaults, cornice, acoustical clouds, light cove. Glass fiber reinforced gypsum gfrg consists of high strength resistant glass fibers bonded with high density alpha based gypsum cement to produce panels. Deck panel is fabricated by the manual joining of i beams with top and bottom. Glass fiber reinforced gypsum gfrg wall panel is made essentially of gypsum plaster reinforced with glass fibers. Glass fiber reinforced gypsum gfrg architectural stone gfrg. Stromberg gfrg glass fiber reinforced gypsum csi specifications. C81 standard specification for molded glass fiber reinforced gypsum composites c84008 application and finishing of gypsum board e8408 surface burning characteristics of building materials c.
Glass reinforced gypsum taylor hart ltdtaylor hart limited. Glass fiber reinforced gypsum gfrg parts are usually provided unfinished for onsite painting. Is there any diffrerence between glass fibre reinforced. High density gypsum reinforced with continuous filament glass fiber mat and structural reinforcing as required. We have the largest stock molds for standard column covers ranging from 8 to 60 diameter in heights as tall as 16 ft. Saad attarwala glass fiber reinforced gypsum panel 2.
Gypsum plaster, like other inorganic cements, is strong in compression but weak in tension exhibiting brittle behaviour. Glass fibre reinforced concrete gfrc is a material that is making a significant contribution to the economics, technology a nd aesthetics of the construction industry worldwide for over 40 years. In this form, both fibers and matrix retain their physical and chemical identities, while offering a synergistic combination of properties that cannot be achieved with either of the components acting alone. Glass fiber reinforced gypsum gfrg architectural stone. Gypsum is suitable for reinforcement with common e glass fibres. Glass fiber reinforced gypsum gfrg panel is a green product ready for quick assembly and erection as buildings. Glass fiber reinforced concrete or gfrc is a type of fiberreinforced concrete. We specialize in grg glassfiber reinforced gypsum, also known as gfrg. Abstract glass fibre is used as an admixture in concrete for strengthening purpose. Spec data glassfiberreinforced gypsumcement fabrications. Pdf glass fibre reinforced gypsum panels for sustainable.
Glass fiber reinforced gypsum gfrg wall panel is made essentially of gypsum. The hollow cores inside the walls can be filled with insitu plain or reinforced concrete. An investigation has been performed into its mechanical properties such as bending strength, tensile strength and longterm performance under constant load and fatigue load. Plastercast grg columns glass fiber reinforced gypsum the comprehensive line of plastercast grg architectural columns and millwork from melton classics offers the construction professional durability, economy and superior design flexibility for commercial interiors. We also manufacture decorative trim out of frp fiberglass reinforced polyester as well as gfrc, glass fiber reinforced cement. The product is also known as glassfibre reinforced concrete or grc in british english. To know about the assumptions considered for the study, download the pdf.
Glass fibre reinforced gypsum gfrg included gypsum plaster reinforced with glass fibers to produce a thin,lightweight, yet strong material. This product, suitable for rapid massscale building construction, was originally developed and used since 1990 in australia. This paper describes the effect of glass content on the flexural, tensile, compressive and. Commercialy available e glass fibres can be used to reinforce the gypsum plaster matrix and produce a strong composite material having improved tensile and impact properties.
It is designed to be a costeffective alternative to 58 gypsum board when attached application. Glass reinforced gypsum column covers product description page. Typical glass fiber reinforced gypsum gfrg is a composite application utilizing naturally occurring mineral gypsum combined with reinforcing fibers. In india, gfrg rapidwall buildings combine both panels and concrete as. Manufactured from a completely noncombustible glassfiber reinforced gypsum material, architectural columns, domes, mouldings, niches, light coves and vaults are just a few of the many interior architectural product options available from our large inventory of standard molds. Glass fiber reinforced gypsum gfrg is comprised of a mixture of raw gypsum and cement, laminated to layers of long strand, continuous glass fiber matting. This paper describes the effect of glass content on the flexural, tensile, compressive and impact. This paper presents guidelines for the use of gfrg wall panel as a lateral load. Drawings and general provisions of the contract, including general and supplementary conditions and division 01 specification sections, apply to this section. Spray layup creates a multidirectional orientation of the glass reinforcement. Glass fiber reinforced gypsum gfrg walls, also known as rapidwall in the constructed dwelling industry, are new building materials firstly manufactured in australia in the early 1990s. This building system uses glass fiber reinforced gypsum gfrg. Glass fibre reinforced gypsum, modified by addition of specially selected and developed thermosetting polymers, is the basis of a new composite material, called pgrg. Glass reinforced gypsum is composed of two key materials, the first being a high density gypsum, and the second being glass fibre which acts as a reinforcement, strengthening the gypsum and allowing it a longer lifespan and.
Glass fibre reinforced gypsum gfrg panel building system. Glass fiber reinforced gypsum gypsum is a natural mineral mined throughout the world. Jan 17, 2014 glass fiber reinforced gypsum grg columns or gfrg columns posted on january 17, 2014 by petra design glass fiber reinforced gypsum, also known as grg, or gfrg, is a building material most commonly used in ceiling domes, columns, mouldingsmolding, ceilings and commercial buildings. Started with a modest group of about 158 personnel this company with grate ambition of full projected manpower inclusive all staff in to 350 in near future. The glass content is relatively low, being restricted by increasing difficulty of mixing and compacting as the glass content is increased. Felxural strength of glassfibre reinforced gypsum and.
Product data sheet gfrg by glass fiber reinforced gypsum. In this form, both fibers and matrix retain their physic. Glass fibre reinforced concrete use in construction. Flexural and shear strength of composite lintels in glassfiber. There is large growing requirement of building materials in india due to urbanization.
Glass reinforced gypsum grg lightweight architectural. It may also contain polymers to increase product strenght. Formglas was the first manufacturer in north america to produce gfrg and has since evolved into the. Gypsum is suitable for reinforcement with common eglass fibres. This algorithm, costcomfort particle swarm optimization ccpso, is the first to combine a realistic, smooth representation of occupants. Glass fiber reinforced gypsum how is glass fiber reinforced gypsum abbreviated. Glass fiber reinforced gypsum architectural fiberglass. The measurement or data acquisition involves both the applied load measured from the. Glass fiber reinforced gypsum gfrg consists of high strength resistant glass fibers bonded with high density alpha based gypsum cement to produce panels that traditionally were done with plaster castings. Glass fiber reinforced gypsum how is glass fiber reinforced. Plastercast grg columns glassfiber reinforced gypsum. Gfrg wall also called rapidwall is an energy efficient green building material with huge potential for use as. Gypsum therefore has in this respect an enormous advantage compared with unmodified cement matrixes.
It is designed to blend seamlessly in a drywall ceilling application. Shear strength of concrete filled glass fiber reinforced gypsum walls. Glass fiber reinforced gypsum gfrg panel branded as rapidwall is. Ceilings and interior systems construction association cisca. Plastercast glassfiber reinforced gypsum columns technical data.
The grg is a type of push out access panel made of glass fiber reinforced gypsum. Glass fibre reinforced gypsum gfrg panel known as rapidwall is a building panel madeup of calcined gypsum plaster, reinforced with glass fibers. The core has been reinforced with glass fibers, increasing strength and sag resistance. Glass fiberreinforced concrete consists of highstrength, alkaliresistant glass fiber embedded in a concrete matrix. Basic uses glasroc sheathing is an approved substrate by the major eifs manufacturers, onecoat and astm conventional stucco systems, traditional cladding systems, exterior ceilings, soffit systems and. Pdf the properties of fiber reinforced gypsum plaster. Glass fiber concretes are mainly used in exterior building facade panels and as architectural precast concrete. Polymermodified glass fibre reinforced gypsum springerlink. Glass fiber reinforced concrete consists of highstrength, alkaliresistant glass fiber embedded in a concrete matrix. Glass fibre reinforced cement is introduced as a new composite material, based on a matrix of cement or cement and fine filler reinforced with a relatively small addition of strands of alkaliresistant glass. Glass fiber reinforced gypsum gfrg panel branded as rapidwall is a building panel product, made of calcined gypsum, plaster, reinforced with glass fibers, for massscale building construction, was originally developed and used since 1990 in australia. Glass reinforced gypsum products is high density alpha gypsum combined with a prescribed amount of water. Dec 11, 2016 glass fiber reinforced gypsum gfrg panel 1. The influence of moisture and temperature on mechanical.
This included gypsum plaster reinforced with glass fibers to produce a thin. The panel, manufactured to a thickness of 124mm under carefully. Gfrg or grg is a noncombustible material test results of flame spread and smoke development values as per astm e84 and even the largest parts only weigh 23 pounds per square. Karps gfrg, glass fiber reinforced gypsum is aesthetically pleasing as it is designed to blend seamlessly into drywall ceiling. Gypsum is a natural mineral mined throughout the world. Gfrg panelsrapidwall are readymade gypsum panels with hollow cavities and are made of calcined gypsum plaster and reinforced with cut glass fibers a. Grg technologies is a manufacturer of glass fiber reinforced composite building components. Design and technical shop drawings download grg submittal. Once installed the gfrg door is concealed for a picture.
Gfrg is the abbreviation for glass fibre reinforced gypsum. The panels are hollow and can be used as load bearing walls. Grg is often used within shopping malls, offices, hotels, airports and a variety of commercial environments for a number of applications including column casings, fascias, coves. Gfrg can be shaped into any form and is perfect for custom designed applications such as ceilings, domes, columns, balusters, and many other interior building products. Glass fiber reinforced gypsum grg is a composite consisting of alpha gypsum cement and water, reinforced with glass fibers an ideal choice as an economical, lightweight, and durable replacement for traditional plaster. Gfrg panels international journal of science and research. Pdf use of glass fibre reinforced gypsum panels with.
In the present experimental investigation the alkali resistance glass fibres has been used to study the effect on compressive, split tensile and flexural strength on m20, m30, m40 and m50 grades of concrete. The gf series of lightweight glass fiber reinforced gypsum access panels are designed to blend seamlessly into drywall ceilings and walls. To meet this challenge, india requires innovative and efficient building material. Its does not contain any asbestos or other inorganic fibres. Glass reinforced gypsum grg is a robust but lightweight interior cladding material specified by architects and interior designers where shape and form is required. Mohanaram 2 1 assistant professor, annapoorana engineering college, salem. Glass fibre reinforced gypsum gfrgis a recently developed building. Gfrgglass fibre reinforced gypsum is a product introduced in india by rashtriya. Standard specification for glass fiber reinforced gypsum. Both an automatic data acquisition system and manual recordings were adopted to record the test results. Glass fiber reinforced gypsum grg columns or gfrg columns.
These panels are manufactured from a 70% postconsumer recycled glass for a unique greendesign matrix panels are lightweight and easily textured for new or retrofit applications and feature a tapered edge for a smooth tape joint. Product name glass reinforced gypsum grg glass fiber reinforced cement gfrc. Grg has high impact strength and allow fabrication of strong, durable and resilient gypsum product, its fire resistant comply the building authority. Now, if the product is manufactured by either spray. The molding process can be either hand layup or a choppedstrand spray method. N2 to improve the tensile strength and ductility of gypsum, sheets were fabricated by spraying gypsum slurry with chopped glass fibers. Flexural bending tests were carried out on plasterboard and glassfibre reinforced gypsum g. A new concept of material was brought from england to the united states and canada in 1977. Plastercast grg columns glass fiber reinforced gypsum.
Gfrg wall also called rapidwall is an energy efficient green building material with huge potential for use as load bearing and non load bearing wall. However, a combination of glass fibre reinforced gypsum board and a bluetinted glass of a 6mm thickness, performed better in thermal comfort in comparison to other materials. Glass reinforced gypsum is composed of two key materials, the first being a high density gypsum, and the second being glass fibre which acts as a reinforcement, strengthening the gypsum and allowing it a longer lifespan and opening up the possibilities of what one can do with it. Glass fibre reinforced gypsum gfrg wall panel, a composite walling product, is made essentially of formulated gypsum plaster, reinforced with glass fibres. Glass fiber reinforced gypsum access panels activar.
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