Invisible Connections supply the concrete construction industry with ‘unseen’ telescopic connection systems for precast stair landings, beams and columns. We’re also specialist manufacturers of FERBOX® and TERWA COUPLER CADDi® reinforcement continuity systems, to application requirements.

Our products are in daily use by the UK’s leading concrete frame contractors and precast manufacturers. We’ve supplied countless prestigious projects nationwide, including Battersea Power Station; St Johns Wood Square NW8; Kingston University Town House; Appleby Blue Almshouse and Meta’s UK Headquarters. 

All our products meet and exceed industry demands for improved safety, compliance and construction efficiency, whilst reducing material usage and ensuring cost competitiveness. Quality, reliability and efficiency, built in.

For precast stair landings, our award-winning TSS or RVK stair landing connectors and REDiBOX® permanent recess formers enable clean architectural lines, significantly accelerate speed of construction, improve site health and safety, and reduce material usage, when compared to traditional bracketry supports. 

For precast structural frames, our mid load DTS and high load BSF ranges connect beams to beams, or beams to columns, to provide a heavy-duty yet elegant frame connection solution. High vertical shear forces are accommodated, and unsightly, expensive corbels or bracketry are eliminated. 

For structural reinforcement continuity, FERBOX and TERWA COUPLER CADDi are made-to-measure, made to be safer and made to reduce wastage. Purpose-designed to make life easier for the contractor by satisfying engineering design intent, simplifying installation, and reducing costs. All of which enables structural, material and programme efficiencies and contributes to construction sustainability objectives.

Speed. Safety. Strength. 

Invisible Connections is part of the international Terwa Construction Group.

Invisible Connections Ltd

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Invisible Connections Ltd

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