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.


Can't find what you're looking for? Our resources area provides much more information. Or get in touch.


Construction sectors

Latest updates

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

© 2019 Invisible Connections Ltd | All Rights Reserved | Privacy Policy | Cookies

Invisible Connections, FERBOX and REDiBOX are registered trademarks