Can of Ham, 60-70 St Mary Axe, City of London EC3

FERBOX Reinforcement Continuity System

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Sir Henry Royce Building, University of Manchester

RSS and RVK Telescopic Stair Connectors

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Chelsea Barracks, Chelsea Bridge Road, Chelsea SW1

Ferbox Reinforcement Continuity System

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Our Products

Our unobtrusive connection systems contribute to a safer, time and cost-efficient construction site, enabling high speed installation and reductions in waste.

TSS / RVK / DTS and BSF telescopic connectors solve two key construction applications: ‘invisible’ connections for precast staircase construction and ‘invisible’ connections for precast beam construction. REDiBOX is the permanent recess former (for walls) into which telescopic stair connectors are deployed. FERBOX provides structural continuity typically between walls and floors, primarily cast in situ (or can also be precast to in situ).

Product applications

TSS Stair Connectors
Reducing installation cost, improving health and safety and satisfying requirements for robustness compliance.

TSS and RVK Telescopic Stair Connectors

Primarily intended for invisibly connecting precast stair landings to walls (precast or in situ) these versatile connectors also have other potential applications.

BSF Telescopic Beam Connectors
Structural efficiency and rapid construction, whilst achieving architectural clean lines and improving headroom efficiency.

DTS and BSF Telescopic Beam Connectors

Medium and heavy-duty connectors designed to invisibly support and connect beams to columns, or beams to beams, without traditional and unsightly corbels or bracketry.

FERBOX Reinforcement Continuity System
Purpose-manufactured elements greatly improves site installation time and drives out traditional 'unseen' wastage.

FERBOX Reinforcement Continuity System

FERBOX maintains structural continuity across concrete construction joints. CARES approved and purpose-made to replicate scheduled reinforcement design, including EC2 anchorage and lap requirements.

Product Drawings
Enquiry Forms
Invisible Connections' Videos for connecting precast concrete elements using telescopic connectors
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Related projects

If you would like to discuss your specific project requirements, please contact us for technical advice without obligation.

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We have completed installation of our stairs in both cores, using TSS connectors. Everything went smoothly, quickly and easily. The new anti-uplift brackets have done the job perfectly.

Matthew Bialecki, Senior Engineer, J. Coffey Construction Ltd 
Matthew Bialecki, Senior Engineer, J. Coffey Construction Ltd

As specialists in precast concrete car park construction, we use telescopic connectors for many key applications. Particularly, the BSF system helps us to construct a ‘modern’ frame without cumbersome corbel supports and enables rapid assembly on site. The technical back-up provided by Invisible Connections provides us with added reassurance.

Peter Crofts, Precast Design Manager, SCC Design Build Ltd 
Peter Crofts, Precast Design Manager, SCC Design Build Ltd

We hadn’t typically gone the ‘specials’ route before. But, by investing a little upfront time to schedule our FERBOX requirements, we gained a smooth supply and installation process – without wastage or complication – and exceeded the programme demands of our slip-formed cores.

Adrian Paul, Project Manager, O’Keefe Construction (Greenwich) Ltd 
Adrian Paul, Project Manager, O’Keefe Construction (Greenwich) Ltd

Telescopic connectors provide us numerous advantages for precast stair installation. Apart from improved time and efficiency, the health and safety gains over traditional support methods are a key driver to satisfy our own needs, as well as those of our clients.

Shane Dunleavy, Project Manager, Morrisroe 
Shane Dunleavy, Project Manager, Morrisroe

Invisible Connections are an outstanding company to work with. Between Ross in sales and Derek on the technical side of things, iC have an offering which the rest of the market would do well to get close to. I can’t credit these two individuals enough for the support they have given me for both standard and bespoke FERBOX connections – some rather more complex than others!

Iain Harding, Project Manager, Keltbray Structures 
Iain Harding, Project Manager, Keltbray Structures

I’ve used your services on my last three projects (telescopic connectors for precast and continuity strip for in-situ). You’re very good at accommodating site demands for lead-in times and value competitiveness. Very happy with the service I’ve received on all three projects and hope this relationship will continue on future developments.

Paul Dean, Project Manager (Qcf), JP Dunn Construction Ltd 
Paul Dean, Project Manager (Qcf), JP Dunn Construction Ltd

Thank you for sending the calculations and installation advice. The new calculation software looks great. Very clear, user friendly and with more design checks than the previous version. It’s a pleasure to see how you are constantly improving.

Stefan Pauceanu, Senior Structural Engineer, Ground Construction Ltd 
Stefan Pauceanu, Senior Structural Engineer, Ground Construction Ltd
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