Mechanical properties of glass fibrereinforced gypsum. 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. Highly versatile, class a1 and class 0, suitable for constructing all forms of partition and ceilings, including curved applications, giving high levels of fire and impact protection. Glass fibre reinforced gypsum gfrg panel known as rapidwall is a building panel madeup of calcined gypsum plaster, reinforced with glass fibers. Glass fibre reinforced gypsum, abbreviated as gfrg better known as rapid wall in the industry is the name given to a new building panel product, made of gypsum plaster, reinforced with glass fibres. Yu, experiments and theories of self compacting gypsum based light weight composites. A product of this composition can be produced by spraying the fluid mix and fibre component separately but simultaneously onto a surface. Spray layup creates a multidirectional orientation of the glass reinforcement. Glass fiber reinforced gypsum architectural fiberglass. Glass fiber reinforced gypsum gfrg panel branded as rapidwall is a building panel product, made of calcined gypsum, plaster, reinforced. Employs advanced technology in delivering an exceptionally strong, highperformance roof board for use in lowslope commercial roofing systems. Meher prasad2 and devdas menon2 abstract glass fiber reinforced gypsum gfrg wall panel is made essentially of gypsum plaster reinforced with glass fibers.
Development for sustainable construction system glass fiber. For more information on our glass fiber reinforced gypsum gfrg, please contact us at 1. 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 parts are usually provided unfinished for onsite painting. Glass reinforced gypsum taylor hart ltdtaylor hart limited. Because glass fiber itself is sometimes referred to as fiberglass, the composite is also called fiberglass reinforced plastic. An investigation has been performed into its mechanical properties such as bending strength, tensile strength and longterm performance under constant load and fatigue load. 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. A new concept of material was brought from england to the united states and canada in 1977.
Once installed the gfrg door is concealed for a picture. Saad attarwala glass fiber reinforced gypsum panel 2. The grg is a type of push out access panel made of glass fiber reinforced gypsum. Glass fibre reinforced gypsum gfrg panel building system. Studies on the behavior of glass fiber reinforced gypsum wall panels maganti janardhana1, a. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into a. It can be effectively used to create facade wall panels, fireplace surrounds, vanity tops and concrete countertops due to its unique properties and tensile strength. Grg glass fiber reinforced gypsum access panel cendrex inc. Glass fiber reinforced gypsum gfrg walls, known as a green product that helps to save energy and protect the environment, are promising.
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. Use of glass fibre reinforced gypsum panels with reinforced concrete infills for construction of walls and slabs article pdf available in indian concrete journal 9012. Glass fibre reinforced concrete use in construction. Glass fiber reinforced gypsum gfrg panel is a green product ready for quick assembly and erection as buildings. 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. 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. Pdf use of glass fibre reinforced gypsum panels with. It is the name of a new building panel product, made essentially of gypsum plaster, reinforced with glass fibres, and is also known in the industry as rapid wall. Pdf there is an extensive seeding stipulation of dwelling provisions in india due to the prevailing housing defalcation of 24.
The base gypsum plaster used in manufacture of fibre reinforced gypsum products shall comply with as 2592. Gfrg is the abbreviation for glass fiber reinforced gypsum. 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. Reviews on glass fibre reinforced gypsum panels ijedr.
Pdf use of glass fibre reinforced gypsum panels with reinforced. Multiple layers of continuous strand fiberglass mat cast into a matrix of high density gypsum cement plaster. The glass fibre reinforced gypsum gfrg panel system, commonly known as rapidwall, is an alternate technology for construction of buildings originally. Introduction to gfrc glass fiber reinforced concrete. Pdf glass fiber reinforced gypsum panel use in building. There are plaster compounds to meet the demands of a wide range of hand layup and spray applications. 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. If you arent yet familiar with glass fiber reinforced concrete gfrc you should be. Fiberglass american english, or fibreglass commonwealth english is a common type of fiberreinforced plastic using glass fiber.
Gfrg is of particular relevance to india, where there is a tremendous need for costeffective massscale affordable housing, and where gypsum is. Apr 08, 2019 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. Experimental study on glass fiber reinforced gypsum gfrg. Energy intense demand is growing materials like river. Various applications of gfrc shown in the study, the experimental test results, technoeconomic comparison with other types, as well as the financial. It is designed to blend seamlessly in a drywall ceilling application. The glass content is relatively low, being restricted by increasing difficulty of mixing and compacting as the glass content is increased. Glassfiber reinforced gypsum industry global production. 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. Pdf glass fibre reinforced gypsum panels for sustainable. The panel was originally developed by gfrg building system australia and used since 1990 in australia for mass scale building construction. Now, if the product is manufactured by either spray.
Gfrg glass fibre reinforced gypsum panel building construction. 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. Glass fiber reinforced gypsum, or gfrg, is a very valuable material when it comes to commercial or residential construction. This plaster and water is then reinforced with e glass fiber strands, 5% to 6% by weight. Standard specification for glass fiber reinforced gypsum. Specifications for glass fiber reinforced gypsum gfrg. Astm c 150 standard specification for portland cement. Comparative study and analysis of gfrg and conventional. Glass fiber reinforced gypsum is a composite of high strength alpha gypsum reinforced with glassfibers that can be factory molded.
Dec 11, 2016 glass fiber reinforced gypsum gfrg panel 1. Glass reinforced gypsum technology produces thin, lightweight, highstrength pieces for architectural applications. Glass fiber reinforced gypsum gfrg architectural stone. Product data sheet gfrg by glass fiber reinforced gypsum. Glass fiber reinforced gypsum gfrg wall panel is made essentially of gypsum plaster reinforced with glass fiber. 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 fibre reinforced gypsum gfrg is a new building material and it is also known as rapidwall building panel. Case study on glass fiber reinforced gypsum panel in mass. Glass fibre reinforced gypsum panel is a new trend in rapid building construction technology. Glasroc f multiboard noncombustible glassreinforced gypsum plasterboard. Frbl fact cochin division campus, ambalamedu, kochi, kerala682303, india performance appraisal. Glass fibre reinforced gypsum gfrg technology is one such solution where all the structural members are constructed using hollow panels. The gfrg is lighter in weight, superior in strength and much easier to install than the traditional plaster castings. It is the name of a new building panel product, made essentially of gypsum plaster.
Name and addres performance appraisal ms fact rcf building. Section 09235 glass fiber reinforced gypsum fabrications. Gfrg panels are manufactured from highquality gypsum plaster beta plaster, reinforced with glass fiber rovings and special additives. Highly versatile, class a1 and class 0, suitable for constructing all forms of partition and ceilings, including curved applications, giving high levels of fire and. Glass fiber concretes are mainly used in exterior building facade panels and as architectural precast concrete. Karps gfrg, glass fiber reinforced gypsum is aesthetically pleasing as it is designed to blend seamlessly into drywall ceiling. Gfrg can be shaped into any form and is perfect for custom designed applications such as ceilings, domes, columns. The product is also known as glassfibre reinforced concrete or grc in british english. Glass fibre reinforced gypsum demonstration building office. Formglas was the first manufacturer in north america to produce gfrg and has since evolved into the worlds. The oneofitskind gfrg demo building, was constructed within a month using the glass fiber reinforced gypsum panels which was originally designed for using as walls by rapid building systems, australia. Today, glass fiber reinforced gypsum is used to achieve modern and organic shapes on walls and ceiling, in addition to traditional architectural shapes. Polymermodified glass fibre reinforced gypsum springerlink. Glass fibre reinforced gypsum panel system user should check the validity of the certificate by contacting member secretary, bmba at bmtpc or the holder of this certificate.
A glass fibre reinforced composition of a settable mix of plaster, a waterbased phenol formaldehyde resin, an acid hardener and a reinforcement of glass fibres. Section 06610 glass fiber reinforced plastic fabrications. Use of glass fibre reinforced gypsum panels with reinforced concrete infills for construction of walls and slabs. The influence of moisture and temperature on mechanical. Gfrc is a specialized form of concrete with many applications. Shell thickness is a function of the number of fiberglass layers and the type of fiberglass used. Shear strength of concrete filled glass fiber reinforced gypsum walls. All glass reinforced gypsum grg panel cladding wall shall be designed, supplied and installed by a specialist contractors in the supply and installation of glass or fibre reinforced plastic units category of the list of approved suppliers of materials and specialist contractors for public works of hksar government. Fibrereinforced gypsum products manufacturing code of. Reinforcing fibre reinforcing fibre shall consist of coated glass fibre, sisal hemp or some other appropriate material specifically designed and graded for use with gypsum plaster.
Glass fiber reinforced concrete or gfrc is a type of fiberreinforced concrete. Section 06 10 00 rough carpentry for blocking, nailers, shims, and. Us5100474a glass fibre reinforced plaster composition. This paper describes the effect of glass content on the flexural, tensile, compressive and impact. Gypsum plaster, like other inorganic cements, is strong in compression but weak in tension exhibiting brittle behaviour. Gfrg wall also called rapidwall is an energy efficient green building. Glasroc f multiboard noncombustible glass reinforced gypsum plasterboard. Glass reinforced gypsum products is high density alpha gypsum combined with a prescribed amount of water. This article will adopt the convention that fiberglass refers to the complete glass fiber reinforced composite material, rather than only to the glass fiber within it. Abstractglass fiber reinforced gypsum panels gfrg are hollow panels made from modified gypsum plaster and reinforced with chopped glass fibers. The panels are hollow and can be used as load bearing walls.
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