Kingswood Warren Mansion House conversion - CDI
Conversion of a mansion house to high quality apartments
Kingswood Warren Mansion House conversion

The conversion of the Listed Mansion House on the Kingswood Manor estate in Surrey required very high performing acoustic floors for these very high quality apartments, the floors also needed to cope with the use of large format tiles, including marble without the danger of any deflection and cracking.  This was achieved using the Lewis Deck system for all of the floors, but included the wet-room bath rooms and the incorporation of under floor heating throughout.

Marble floors over Lewis Deck and screed with underfloor heating
Marble floors over Lewis Deck and screed with underfloor heating

The Lewis Deck with resilient strips underneath was installed over the existing timber floor to provide very high levels of both airborne and impact sound protection to the apartments below, this includes the low frequency noise associated with footfall, etc and can be particularly troublesome with light weight floor constructions and hard floor coverings.

Underfloor heating pipes were secured to the top of the Lewis Deck with clip-rails and P-clips before the installation of the free-flowing liquid screed.

The mansion house won the 2014 Best Change of Use of an Existing Building or Conversion Award at the LABC Awards.

www.hubarchitects.co.uk/Blog/kingswood-wins-award/

LEWIS DECK TO CREATE WET ROOM FLOORS

Large format marble tiles in a wet-room bathroom with underfloor heating upstairs on Lewis Deck
Large format marble tiles in a wet-room bathroom with underfloor heating upstairs on Lewis Deck

Lewis Dovetailed Sheeting is ideal for creating wet-room floors in either existing or new build construction. The sheet can be used instead of timber boards to span over the joists to produce a waterproof, lightweight reinforced concrete floor that allows for tiles to be laid with no fear of cracking or moving. Alternatively it can be laid over the existing floorboards.

This is an accepted wet-room floor solution used extensively across Europe, especially in a number of countries where concrete bathroom floors are part of the building codes.
Wet-room floors using Lewis Deck can be as little as 36mm deep.
Each standard sheet is 2500mm x 630mm x 16mm and weighs 9kg, alternatively we stock a 1300mm x 630mm x 16mm sized sheet that can be supplied in small numbers using TNT for smaller bathrooms.

FAQs22

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  • Q

    What are the Lewis Deck sheet sizes?

    A

    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?

    A

    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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Kingswood Warren Mansion House conversion - CDI