Product DocumentsGRR™ - Technical Data Sheet Safety Data Sheet
For more information regarding CTech-LLC® products, please contact our team by clicking here.
GRR™ is high strength, pre-manufactured composite glass/resin rods. GRR™ is used as internal or external reinforcement providing additional strength and stiffness to concrete and masonry structural elements.
- GRR™ rods can be effectively anchored into adjacent members.
- Low impact on member appearance and aesthetically pleasing.
- Increasing in-plane or out-of-plane bending capacity of masonry wall.
- Effective topside reinforcing product for slabs and beams.
CTech-LLC® GRR™ is especially attractive for strengthening of surfaces that could be subject to abrasive or mechanical damage, such as parking decks, slabs and walkways. For masonry structures, the GRR™ rods can be installed in the existing joints, thus upgrading the capacity without negative aesthetic impact.
Store out of direct sunlight in a dry place between 10°C – 32°C
Shelf life is 10 years.
Codes and Standards
ACI, 2015, Guide for the Design and Construction of Structural Concrete Reinforced with FRP Bars, ACI 440.1R-15, American Concrete Institute, Farmington Hills, MI.
ACI, 2017, Specification for Carbon and Glass Fiber-Reinforced Polymer Bar Materials for Concrete Reinforcement, ACI 440.6-08/17, American Concrete Institute, Farmington Hills, MI (Reapproved 2017).
ACI, 2004, Prestressing Concrete Structures with FRP Tendons, ACI 440.4R-04, American Concrete Institute, Farmington Hills, MI (Reapproved 2011).
ISO 10406-1, Fibre-reinforced polymer (FRP) reinforcement of concrete — Test methods — Part 1: FRP bars and grids.
CTech-LLC® warrants its products to be free from manufacturing defects. Buyer determines suitability of product for use and assumes all risks. Buyer’s sole remedy shall be limited to replacement of product. Any claim for breach of this warranty must be brought within one month of the date of purchase. CTech-LLC® shall not be liable for any consequential or special damages of any kind, resulting from any claim or breach of warranty, breach of contract, negligence or any legal theory. The Buyer, by accepting the products described herein, agrees to be responsible for thoroughly testing any application to determine its suitability before utilizing.