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Lewis FastSlab

CDI Innovative Construction Materials

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The FastSlab Ground Floor Renovation System is designed to make it quick and easy to replace an existing suspended ground floor with a new insulated concrete or screeded floor. This gives the solid feel of a concrete ground floor slab with the benefit of maintaining the important ventilated void beneath the existing floor to prevent moisture and damp issues in the existing walls.

The FastSlab system is a unique combination of the Dutch VBI PS ground floor renovation system and the Lewis Deck metal dovetailed sheet.

The PS renovation floor system is a patented innovation from VBI and is a lightweight alternative to block and beam floors. The unique feature of the “FastSlab” system is the use of galvanised steel joists that weigh only a fraction of pre-cast concrete beams meaning installation becomes quick and easy. Joists are supplied in standard lengths, from 3m, and can be very easily cut on site. The tight fitting EPS insulation blocks are available in 2 thermal performance values (0.23 W/m2K and 0.20 W/m2K) and sit between the galvanised beams creating a robust and thermally efficient sub floor ready to accept the finished deck and slab.

Both the beams and the infill blocks are light and easy to handle making the installation in renovation and conversion projects, as well as new build, so much easier than if using concrete beam and block.

The use of Lewis Deck on top of the PS system removes the need for a reinforced concrete slab needing to be added to the system. This reduces the overall depth of the screed to 50mm as well as reducing the weight without compromising the load bearing capability. It also allows the addition of a very efficient underfloor heating system within the floor zone that we can also provide the project.

CDI Innovative Construction Materials provide a range of innovative domestic and
commercial concrete floors. These are high performance structural floor systems that can
be laid on timber or steel joists, providing floor reinforcement, wet room systems,
underfloor heating, insulated concrete roof & ground floor systems for high load bearing
situations. These are suitable for all types of construction from residential to industrial from
new built to renovations.

If you are planning a project that requires a new floor and you are wanting more than the
average timber deck that over time will become noisy, move and eventually degrade then
please get in touch. Let us talk you through what our systems are all about and how they
will improve the feel, strength, performance, and heating efficiency of your floor.

As a small family business we are focused on ensuring that we provide you with the best
possible service. So please browse through our website then get in touch with us and
discuss your requirements and needs. If you have drawings please send them through, we
are happy to do “takes offs” from them to calculate the materials needed and then send you
fully itemised quotations.

We are often exhibiting around the UK at various times of the year at Homebuilding &
Renovating trade shows, amongst others, so please have a look at our “Events and
Exhibitions” page to see if we will be local to you in the near future.

If you have any questions or queries regarding any of our systems let us know what they are
and we’ll be happy to help.

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Proud to exhibit at the Homebuilding & Renovating Shows.

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