Introduction
Standards for GRC are being developed steadily. In Europe, new C.E.N (Comité Européen de Normalisation) Standards are being generated which will cover aspects not previously addressed, and replace some existing national standards.

C.E.N.
Published:
BS EN 492:1994
Fibre-cement slates and their fittings for roofing – Product specification and test methods.
BS EN 494:1994
Fibre-cement profiled sheets and fittings for roofing – Product specification and test methods.
To be published 1998/9:
EN 1169
General rules for factory production control of glass-fibre reinforced cement.
Published 1998:
EN 1170-1
Test method for glass fibre-reinforced cement – Part 1: Measuring the plasticity of the mortar – “Slump test” method.
EN 1170-2
Test method for glass fibre-reinforced cement – Part 2: Measuring the quantity of fibre in fresh GRC – ‘Wash out test” method.
EN 1170-3
Test method for glass fibre-reinforced cement – Part 3: Measuring the rate of sprayed fibres.
EN 1170-4
Test method for glass fibre-reinforced cement – Part 4: Measuring bending strength – “Simplified bending test” method.
EN 1170-5
Test method for glass fibre-reinforced cement – Part 5: Measuring bending strength – “Complete bending test” method.
EN 1170-6
Test method for glass fibre-reinforced cement – Part 6: Measuring the absorption of water by immersion and measuring the dry density.
EN 1170-7
Test method for glass fibre-reinforced cement – Part 7: Measurement for dimensional variations in accordance with the water content.
ENV 1170-8:1997
Test method for glass fibre-reinforced cement – Part 8: Cyclic weathering type test

British Standards Institution
BS 3445:1981 Fixed Agricultural Water Troughs and Water Fittings
BS 6171:1982 Prefabricated Sectional Storage Bunkers for Domestic Solid Fuel
BS 6432:1984 British Standard Methods for Determining Properties of Glass Fibre Reinforced Cement Material
DD 76 1981 (Part 1) Precast Concrete Pipes of Composite Construction. Part 1. Precast Concrete Pipes Strengthened by continuous alkaliresistant glass fibre rovings.

Glass Reinforced Cement Association (GRCA)
GRCA Methods of Testing Glassfibre Reinforced Cement (GRC) Material-GRCA S 0103
GRCA Method of test for strength retention of glassfibre in cements and mortars –

GRCA S0104
Specification for Alkali Resistant Glassfibre Rovings and Chopped Strands for Reinforcement of Cements and Concretes GRCA S0105
Guide to Specification for Glassfibre Reinforced Cement Cladding GRCA S0106
GRCA Guide to the use of Acrylic Polymers in GRC GRCA G0109 Specification for the Manufacture of Glassfibre Reinforced Cement (GRC) GRCA S 0110

Deutsches Institut für Bautechnik ( DIN )
Cem-FIL fibre products are covered by the following approvals:
Zulassung no. Z-31.2-122
Zulassung no. Z-31.2-127

American Society for Testing and Materials (ASTM)
ASTM – C947-89 Standard Test Method for Flexural Properties of Thin Section Glass Fiber Reinforced Concrete (Using simple beam with third point loading).
ASTM – C948-81 Standard Test Method for Dry and Wet Bulk Density, Water Absorption, and Apparent Porosity of Thin Sections of Glass Fiber Reinforced Concrete.
ASTM – C887-79a Standard Specification for Packaged Dry Combined Materials for Surface Bonding Mortar.

Prestressed Concrete Institute
PCI Committee on Glassfibre Reinforced Concrete Panels, “Recommended Practice for Glassfibre Reinforced Concrete Panels” Third Edition 1993 CEM-FIL GRC TECHNICAL DATA 87
PCI Committee on Glassfibre Reinforced Concrete Panels, “Manual for Quality Control for Plants and Production of Glassfibre Reinforced Concrete Panels” Publication number MNL- 130-91, ISBN 0-937040-46-0

RILEM: International Union of Testing and Research Laboratories for Materials and Structures. Rilem Technical Committee 49 TFR. Draft Recommendations.
“Testing Methods for Fibre Reinforced Cement – Based Composites” Matériaux et constructions (materials and structures) essais et recherches/research and testing, NovemberDecember 1984, No.102, pp 441-456.

British Board of Agrément
Certificate No. 88/2060
Fibrocem High Performance Renders
Certificate No.82/1016
Fibrocem Blockmix Glass Reinforced Rendering.
Certificate No.81/833
ARC Slimline Glass Reinforced Concrete Pipes.

CSTB (France)
Avis No.17/80-82
Avis sur le tuyau d’assainissement SLIMLINE (Société ARC Concrete Ltd.).
Avis No.7/83-235
Système d’isolation thermique par l ‘extérieur (Societe CIDE Paris, France)
Avis No.16/83-105
Bloc de Hauteur d’Etage (BHE) (Enterprise Brugeaud, Tulle, France)
Avis No.1/84-514
Beton Isolant Léger (BlL) (Entreprise Brugeaud, Tulle, France) Evaluation Technique: Cem-FIL Star GRC Groupe Specialisé No1 (13.12.1996)

National Precast Concrete Association of Australia
GRC Committee of the NPCAA: Code of Practice for the design and installation of GRC Products (Draft – 1995).

South African Bureau of Standards
SABS – 1969 (Amendment No.4, 6th June 1979). Concrete non- Pressure Pipes.

National Swedish Board of Physical Planning and Building (Statens Planverk).
Type Approval Certificate No.2306/77 (renewed 21.2.83) – Siroc Grund GRC insulation units.

National Water Council, London
The publication “Water Fittings” lists water fittings and materials which have been examined, tested and found to comply with Water Byelaws. GRC is listed as follows: “Water Fittings” November 1980 GRC Glass Reinforced Concrete Premixed GRC (79/12/1) Sprayed GRC (34/7911) 8002 MX CemFIL Marketing Department, Fibreglass Ltd.
“Water Fittings” Supplement No.6, December 1982 GRC Glass Reinforced Concrete Premixed CemFIL 2 GRC (115/80/2) Sprayed CemFlL 2 GRC (115/80/1) 8101 MX CemFlL Marketing Department, Fibreglass Ltd.