Tottenham Hotspur FC, Haringey N17

TSS and RVK Telescopic Stair Connectors

Battersea Power Station, Wandsworth SW8

FERBOX Reinforcement Continuity System

Southbank Place, South Bank SE1

DTS and BSF Telescopic Beam Connectors

Invisible Connections supplies the concrete construction industry with ‘unseen’ telescopic connection systems for stairs and landings, beams and columns. We are also specialist manufacturers of the FERBOX reinforcement continuity system, to application requirements.

All Invisible Connections’ products are designed to meet industry demands for improved safety and construction efficiency, whilst ensuring cost competitiveness. Our Product Selection Guide provides an at a glance overview of all our products, plus key features and benefits.

Our telescopic connection systems are endorsed by European Technical Approvals (ETAs). They comply with relevant Eurocode standards and are individually CE marked. FERBOX is endorsed by CARES Technical Approval and is manufactured under a CARES Quality Management system to the ISO9001 standard.

Product applications

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.

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

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

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Construction sectors

Latest updates

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

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

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

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

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

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

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