Technical Resources
Access and download important documents, including our company brochure, IS codes, and international design guides for GFRP rebars.
Company Documents
RN Elements Company Brochure
An overview of our company, products, and vision for sustainable construction in India.
Standards & Design Codes
These standards are published and sold by their respective bodies. We link to the official source so you always get the current, licensed edition. Our engineering team is happy to walk you through how any of them applies to your project.
IS 18256:2023
Solid Round Glass Fibre Reinforced Polymer (GFRP) Bars for Concrete Reinforcement — Specification. Defines bar designations and cross-sectional areas, minimum tensile properties by size class, fibre content, bond and transverse shear strength, moisture absorption and alkali resistance. This is the standard our ISI licence is held against.
Published by Bureau of Indian Standards
IS 18255:2023
Test methods for FRP bars — the companion standard to IS 18256. Specifies how tensile properties, bond, alkali durability and moisture absorption are determined for conformity testing.
Published by Bureau of Indian Standards
ACI 440.1R
Guide for the Design and Construction of Structural Concrete Reinforced with FRP Bars. The international reference for flexural, shear and serviceability design with FRP reinforcement.
Published by American Concrete Institute
IRC 137:2022
Guidelines for the Use of FRP Reinforcement in Concrete Bridge Structures. Relevant where GFRP is specified for highway and bridge works in India.
Published by Indian Roads Congress