FastSlab GF System to Ingerthorpe Grange - CDI
FastSlab installation to the ground floor of this listed manor house, for a concrete feel over the basement and to include under floor heating
FastSlab GF System to Ingerthorpe Grange

We were initially contacted by the main contractors engineer regarding the use of Lewis Deck to the ground floor of Ingerthorpe Grange. The building is a grade 2 listed property just outside of Ripon, North Yorkshire.

The project was to completely renovate the internal areas of the house and bring it up to current standards. They were looking for an efficient and solid system that would allow the use of UFH on the ground floor and remove the potential for squeaky timber floors as the original ground floor timber joist and floor were damaged beyond repair.

During the rip out phase of the works it was found that the timber floor joists over the basement areas were rotten and needed to be replaced. After a discussion with us regarding the problem we suggested using the FastSlab ground floor system as its lightweight and quick install benefits would allow them to get back on programme and also allow the use of the Lewis Deck and therefore keeping the design changes to a minimum.

The FastSlab GF system is very easy to use and, as it is so lightweight and the I beams can go in at 900mm centres, it allowed us to remove weight from the floor of a very old building. The resulting effect was a very strong, solid, floor that feels thicker than the 50mm of screed that's there. The resulting UFH performance that it gives is also very impressive.

The installation commenced at the beginning of June 2016 and each room was completed in just a few hours. This included the laying of the steel I beam, the insulation and the Lewis Deck on top. The underfloor heating pipes and screed were also very quickly installed by the on site team.



Ask CDI a Question

  • Q

    What are the Lewis Deck sheet sizes?


    Q: 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.

  • Q

    Why don't my Lewis sheets interlock like they do in the video?


    Q: 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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FastSlab GF System to Ingerthorpe Grange - CDI