Bathroom and kitchen floors

The reliable foundation for your floor tiles

Bathroom and kitchen floors

The subfloor must be a durable and reliable base for costly equipment, tile and natural stone finishing, particularly for luxurious bathrooms and kitchens. Using LEWIS Dovetailed sheeting, the wooden floor meets all requirements for strength, rigidity, sound insulation and fire safety The profile of the LEWIS sheets ensures permanent ventilation in the floor cavity. The wood of the lower constructions is able to keep on breathing, which prevents suffocation and wood rot, and vermin will not find breeding ground. In case water does penetrate to the floor cavity, there will be no permanent damage. Natural ventilation ensures that the construction will be entirely dry again within 3 to 4 months maximally.


Application possibilities of LEWIS Dovetailed steel sheeting


Due to the dimensionally stable dovetail profiling, a thin light concrete floor can be made on a wooden floor in wet areas.

LEWIS waterproof floor consists of 16 mm high LEWIS Dovetailed sheeting and a finishing with fine gravel concrete of ≥ 20 mm. The fine gravel concrete can be finished monolith flat so that the floor thickness remains limited to 36 mm with a total own weight of 0.62 kN/m2 (62 kg/m2)

Waterproof finish

Durable, waterproof connections are critical for a watertight finish. On the LEWIS concrete floor, a watertight connection must be made with a water resistant tape (sealing tape + sealing paste) at the wall-floor connection, shower drain and any conduits.

Ceramic Tiles / Natural Stone / Terrazzo

A LEWIS floor is an excellent base for applying (large size) tiles, natural stone, terrazzo and decorative gravel onto a wooden bearing construction. A thin LEWIS concrete floor guarantees a durable, rigid, non-springing under floor.

  • Waterproof
  • Waterproof finish
  • Ceramic Tiles / Natural Stone / Terrazzo
Since 1930

market leader for over 90 years

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