Home by Milestone
CDI structural concrete floor system installed on a construction project

Member

CDI Innovative Construction Materials

Family-run supplier of high-performance structural floor systems, including concrete floor decking, insulated roof/floor systems and ground floor replacement systems.

Focus areas
Underfloor heating · Acoustic separation · Fire separation · Load bearing ground floors and flat roofs · Wet room floors · Balconies

Member overview

About CDI Innovative Construction Materials.

CDI Innovative Construction Materials supplies a range of structural floor systems that can be laid on timber or steel joists, covering floor reinforcement, wet room systems, underfloor heating, and insulated concrete roof and ground floor systems for high load-bearing situations, suitable for residential and industrial new-build and renovation projects. CDI is the sole UK and Ireland distributor for Reppel bv. systems, including Lewis Deck, Op-Deck, Lacomet, Hody and Max4, and developed its own Lewis FastSlab ground floor replacement system. The company, run by a small team from its office and warehouse in Co. Durham, covers the whole of the UK and Ireland, providing CPD presentations, technical takes-offs and itemised quotations to architects, engineers and building contractors.

Based in
Co. Durham, North East England
Service area
UK · Ireland
Founded
2002
CDI floor decking system on site

Expertise

What they work with.

  1. 01Structural concrete floor systems
  2. 02Insulated floor and roof systems
  3. 03Ground floor replacement
  4. 04Underfloor heating substrates

Products + systems

Explore the range.

Lewis Deck

Dovetailed metal decking used within a joisted floor system for acoustic and fire separation performance.

Op-Deck

Lightweight insulated concrete floor and roof system suited to car parks, green roofs and terraces.

Hody

Trapezium-shaped profiled steel decking for slim composite concrete floors, spanning up to 8 metres.

Max 4

Reinforcing sheets for levelling and strengthening existing floors with thin liquid screed, from 15mm depth.

FastSlab

Ground floor system for replacing old timber joisted floors with an insulated concrete or screeded floor while retaining a ventilated void.

Lewis SteelFrame Concrete Floor (SCF)

Patented, self-supporting, lightweight floor system with prefabricated steel-frame and concrete-shell elements.

Member gallery

CDI floor decking system on site
Lewis ecojoist floor system diagram