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CDI Innovative Construction Materials evolved out of a family business set up by Ian Larnach in 2002 called Ian Larnach Associates (ILA). Initially ILA ran as a construction consultancy business to help introduce new products into the industry as well as providing sustainability and Code for Sustainable Homes services. Ian initially discovered Lewis Deck on the back of a visit to a trade show, in Birmingham. Within 4 weeks Ian had a contract to import Lewis into the UK.
The Lewis Deck very became the strongest product that ILA dealt with and as a result CDI (Northern) Distribution (a partnership business) was set up in 2009 as the distribution body for the sheets with Chris Holt as MD.
Since 2012 the company has seen year on year growth and it naturally evolved into CDI Innovative Construction Materials Ltd as more and more products were added to our portfolio. As well as Lewis Deck we offer a number of construction solutions from Reppel bv, the manufacturers of the Lewis sheet, as well as having our own construction solutions (see “Our Systems”).
CDI has the exclusive distribution rights for the Reppel suite of systems for the whole of the UK and Ireland
Ian retired from the business in early 2016 due to ill health, and Paul Larnach joined the company as a director to help the business grow further.
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FAQs22
Ask CDI a Question
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Q
What are the Lewis Deck sheet sizes?
AQ: What sheet sizes are held in stock for delivery within a few days after order? A: We stock 2500mm and 1300mm sheets. These are all 630mm wide and 16mm deep. Deliveries are made via the pallet network directly to site. The smaller sheets are aimed at small bathroom renovation projects and can be supplied in small numbers via TNT. 2.5* and 1.3m sheets allow for the 100mm overlap to occur over a joist, with joist centres being either 300mm, 400mm, 600mm, 800mm*, 1200mm and 2400mm*. (*2.5m sheet only) For larger projects we are able to produce bespoke sheet sizes if required, please get in contact to discuss other options for sheet sizes.
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Q
Why don't my Lewis sheets interlock like they do in the video?
AQ: Why don't my sheets interlock like they do in the video? A: The sheets have two sides (one printed, one plain), the dovetails on either side are different widths, it is then necessary to alternate the sheets print up and then print down.
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Latest Blog
CDI 2024
Cow Close Barn with Heat Pump and Underfloor Heating
26th May 2023
Paul M contacted us in early 2022 to discuss the use of the Lewis Deck system following a recommendation by his Ground Source Heat Pump system installer. We worked through the drawings and provided a quote, the Lewis Deck and…
View All2022 Has Begun and Exhibitions Are, Fingers Crossed, Back To Normal.
21st January 2022
Starting on Friday 28th January, now that COVID has magically disappeared, we are heading back on the road and will be exhibiting for a full year for the first time since 2019. Next Friday sees the first exhibition at the…
View AllLewis Deck Brochure Content
22nd November 2021
As part of a joisted floor construction, LEWIS® Dovetailed metaldecking provides a first class solution for ACOUSTICS, FIRE PROTECTION and workswell with UNDERFLOOR HEATING AND COOLING systems.LEWIS® Dovetailed metal decking solutions are used in a range of applications includingrenovations and…
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