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- Cast-in Channel Installation Guide
IG Masonry Support's Cast-in Channels are used for fixing masonry support systems to concrete structures.
Cast-in Channels (CIC) comprise of 3050mm rolled anchor channels with swaged studs, M12 T-head bolts and lock nuts. Supplied in 3050mm lengths, the channels support line loads up to 27kN/m (unfactored), which covers most masonry support applications.
T-head bolts and lock nuts allow secure installation of the masonry support systems to the anchor channel and provides lateral adjustment.
All components are manufactured from 304 Austenitic Stainless Steel (1.4301) and 316 (1.4401) on request.
Product Design and Testing
In-house design
IG Masonry Support has a skilled team of over 40 civil and structural engineers who are competent in specifying the correct Cast-in Channel for your project.
European Technical Approval (ETA)
The anchor channels have been tested in IFBT Leipzig in accordance to the EOTA guidelines and were awarded an ETA certificate from DIBT (German Institute of Building Technology) in 2024.
The ETA approval includes thorough specifications on internal and third party quality control of on-going production. Therefore quality assurance is in place to be certain that the quality of the channels
correspond with the samples tested during the approval procedure.
This approval is valid on all states of Europe. An ETA catalogue is available which includes the dimensioning of the anchor channels in accordance with the new European standards series CEN/TS 1992-4-3 “Design of fastenings for use in concrete – Anchor Channels.”
Eurocodes
The channels are designed to Eurocode and dimensioned according to CEN/TS 1992-4 standard in combination with the approved loadings certified in the ETA approval.
Product Range
Cast-in Channels are available in a range of sizes that will support line loads up to 27kN/m (unfactored). This will cover most masonry support applications.
Supplied in 3050mm lengths the channels are made from stainless steel (A2) 1.4301.

Minimum Edge Distances and Thickness
Cast-In Channel Type | 38/17-167 | 40/25 | 49/30 | |
---|---|---|---|---|
Min. Spacing of Bolts (mm) | Ss, min | 150mm | 150mm | 150mm |
Min. Anchor Depth (mm) | min hef | 102mm | 79mm | 94mm |
Min. Edge Distance (mm) | Cmin | 50mm | 50mm | 75mm |
Min. Slab Thickness (mm) | Slabmin | 100mm* | 100mm* | 150mm* |
Min. Stud Distance (mm) | - | 167mm | 250mm | 250mm |
*Reduced Loading |
Cast-in Channels are manufactured from 304/304L Austenitic Stainless Steel (1.4301/1.4307) or 316/316L (1.4401/1.4404) on request. Stainless steel is considered A1 fire-rated without the need for testing in accordance with the guidance of the European Commission Paper 96/603/EC as referenced in BS EN 13501-1:2018.
Technical Data Sheet
Find out all technical data on IG Masonry Support’s Cast-in Channel in our comprehensive Technical Data Sheet.
Installation
Correct installation is essential for the success of your project. Therefore, we have made every effort to help you by creating an easy-to-use installation guide for Cast-in Channel.

Cast-in Channel Installation Guide (3.1mb)
Should you have any technical questions prior to or during installation, please call 01283 200157 for friendly straightforward advice.
Specify Cast-in Channel
Use the National Building Specification’s (NBS) platform to find, select, and incorporate our Cast-in Channel product information into your next construction project’s specification.

Discuss Your Project
Contact our technical design team to collaborate or enquire about a project.
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Key Benefits of Cast-in Channel
Contact Us- Designed in accordance with CEN/TS 1992-4-3
- CE marked product
- Facilitates users working with low edge distances
- Load resistances can be improved by using higher concrete strength class on loading
- Shear and tensile resistance in concrete can be improved with additional reinforcement
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