A reinforced gypsum board having glass fibers concentrated in the portions of the rehydrated stucco immediately below the surfaces of the board, these portions being further defined by a density that is substantially greater than that of the interior portion of the board. Scope this document describes and recommends terminologies and various types of paint finish as the final decoration over new interior gypsum panel surfaces. Saad attarwala glass fiber reinforced gypsum panel 2. Glass fiber reinforced gypsum gfrg panel is a green product ready for quick assembly and erection as buildings. Porosities of the order of 30% or more are usually present in these matrices. Glass fibre reinforced gypsum panels for sustainable. Glass fiber reinforced gypsum gfrg parts are usually provided unfinished for onsite painting. The influence of moisture and temperature on mechanical. Glassreinforced gypsum technology produces thin, lightweight, highstrength pieces for architectural applications. Its does not contain any asbestos or other inorganic fibres. Molded gfrg parts made in accordance with samples, shop drawings and with astm c81 standard for molded glass fiber reinforced gypsum parts. Glass fiber concretes are mainly used in exterior building facade panels and as architectural precast concrete. 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.
A product of this composition can be produced by spraying the fluid mix and fibre component separately but simultaneously onto a surface. A gfrg panel is basically calcined gypsum plaster, reinforced with glass fibres which when filled with reinforced concrete in an appropriate. Us5100474a glass fibre reinforced plaster composition. 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. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into a fabric. The base gypsum plaster used in manufacture of fibrereinforced gypsum products shall comply with as 2592. Formglas was the first manufacturer in north america to produce gfrg and has since evolved into the worlds. As 25901983 australian standard glass fibre reinforced gypsum plaster this is a free 4 page sample. House construction cost calculator excel sheet free download house construction cost calculator in excel sheet. Glass fiber reinforced gypsum architectural fiberglass.
Benefits ideal for large compound wallsecurity wall for campuses, free economic zones, to separate rail corridor etc. Grc designing has a separate division for grp, with a 15,000sft facility and 60 dedicated technicians producing various kinds of water tanks and septic tanks, bathtubs, washbasins, sewerage items like benching seal plates and ladders and including lining works. Meher prasad and devdas menon mentioned glass fiber reinforced gypsum gfrg wall panel is. Karps gfrg, glass fiber reinforced gypsum is aesthetically pleasing as it is designed to blend seamlessly into drywall ceiling. Gfrg glass fibre reinforced gypsum panel building civiconcepts. 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.
Pdf on mar 3, 2014, eethar thanon dawood and others published the. Fiberglass american english, or fibreglass commonwealth english is a common type of fiber reinforced plastic using glass fiber. In an era of scarce resources, sustainable solutions are always preferable. Noncombustible glasroc f boards, developed using paper free glass fibre technology, provide the basis for a. C55 standard specification for glass fiber reinforced gypsum composites c81 standard specification for molded glass fiber reinforced gypsum composites c84008 application and finishing of gypsum board. Recommended paint systems applied over gypsum board, glass.
Glass fibre reinforced gypsum gfrg panel building system. A new concept of material was brought from england to the united states and canada in 1977. Glass fibre reinforced gypsum, modified by addition of specially selected and developed thermosetting polymers, is the basis of a new composite material, called pgrg. The glass content is relatively low, being restricted by increasing difficulty of mixing and compacting as the glass content is increased. Spray layup creates a multidirectional orientation of the glass reinforcement. The construction technique proposed in this paper, by making use of glass fibre reinforced gypsum gfrg panels with reinforced concrete infilled cavities to build homes, promises such a. Noncombustible glassreinforced gypsum plasterboard. Grg glass fiber reinforced gypsum access panel cendrex inc.
This paper describes the effect of glass content on the flexural, tensile, compressive and impact. Glass fiber reinforced gypsum grg is a white, thincast alpha gypsum that is preferable to traditional plaster castings because of its light weight, high strength, and easy installation. The construction technique proposed in this paper, by making use of glass fibre reinforced gypsum gfrg panels with reinforced concrete infilled. Glass fibre reinforced gypsum panel is a new trend in rapid building construction technology. Dec 11, 2016 glass fiber reinforced gypsum gfrg panel 1. Glass fibre reinforced cements and gypsum plaster provide examples of composite materials where both the components are brittle and the matrix phase fails at a much lower strain than the fibre. A new concept of material was found in england in 1977. Pdf use of glass fibre reinforced gypsum panels with. Once installed the gfrg door is concealed for a picture. The panels are hollow and can be used as load bearing walls. Glass fibre reinforced gypsum gfrg panel or rapid wall is a modern building element devised by the gfrg building system australia for massscale construction of houses in a very short span of time. Molded gfrg parts to be made in accordance with astm c55 standard for glass fiber reinforced gypsum composites. 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. Manual of waterproofing of gfrg rapidwall buildings.
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. High density concrete made of astm c 150 portland cement, crushed stone, silica sand, and polymers reinforced with continuous filament glass fiber mat and structural reinforcing as required. Maintain containers in clean condition, free of foreign materials and residue. Glass fibre reinforced gypsum gfrg panel known as rapidwall is a building panel madeup of calcined gypsum plaster, reinforced with glass fibers. Glass fiber reinforced concrete or gfrc is a type of fiberreinforced concrete. Glass fibre reinforced gypsum gfrg panel or rapid wall is a modern. Pdf use of rapid techniques for timely delivery of construction projects by adopting fast methodologies and alternate building materials is. The two external faces of gfrg panels should be free from defects such as. Fibrereinforced gypsum products manufacturing code of.
The paper describes the method of construction using rapidwall panels based on construction manual prepared by iit madras to suit indian situation. Glass fiber reinforced gypsum gfrg architectural stone. This plaster and water is then reinforced with e glass fiber strands, 5% to 6% by weight. Glass fibre reinforced gypsum panels for sustainable construction.
Meher prasad2 and devdas menon2 abstract glass fiber reinforced gypsum gfrg wall panel is made essentially of gypsum plaster reinforced with glass fibers. Polymermodified glass fibre reinforced gypsum springerlink. 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. Glassfiber reinforced gypsum industry global production.
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. The grg is a type of push out access panel made of glass fiber reinforced gypsum. Glass fiber reinforced gypsum, or gfrg, is a very valuable material when it comes to commercial or residential construction. An investigation has been performed into its mechanical properties such as bending strength, tensile strength and longterm performance under constant load and fatigue load. This included gypsum plaster reinforced with glass fibres to produce a thin, lightweight, yet strong material.
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. Frbl fact cochin division campus, ambalamedu, kochi, kerala682303, india performance appraisal. Product data sheet gfrg by glass fiber reinforced gypsum. It is designed to blend seamlessly in a drywall ceilling application. Glass fibre reinforced gypsum gfrg technology is one such solution where all the structural members are. 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 reinforced gypsum taylor hart ltdtaylor hart limited. Georgiapacific produces several glassreinforced gypsum grg plaster products engineered to meet a wide variety of. Mechanical properties of glass fibrereinforced gypsum.
Studies on the behavior of glass fiber reinforced gypsum wall panels maganti janardhana1, a. The tremendous housing need of india is causing the depletion of virgin building materials. The properties of fiber reinforced gypsum plaster article pdf available in journal of scientific research and reports 310. The gfrg is lighter in weight, superior in strength and much easier to install than the traditional plaster castings. 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. Glass fiber reinforced gypsum how is glass fiber reinforced. Glass reinforced gypsum products is high density alpha gypsum combined with a prescribed amount of water. 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. Gypsum plaster, like other inorganic cements, is strong in compression but weak in tension exhibiting brittle behaviour. The product is also known as glassfibre reinforced concrete or grc in british english. 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. The panel was originally developed by gfrg building system australia and used since 1990 in australia for mass scale building construction. Glass fibre reinforced gypsum gfrg building system. Gfrg glass fibre reinforced gypsum panel building construction.
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