Linear Grating Wet Rooms

Linear Grating Wet Rooms And Drains

The sleek contemporary finish for your wet room.

A linear grating wet room drainage system is an increasingly popular choice in contemporary wet room design because of the sleek finish and the compatibility with modern large format tiles. The OTL complete linear drainage system is one of the most versatile on the market with a wide range of stock size linear formers, different drain options and a bespoke design service if required.  Our linear grating wet room drainage system is increasingly specified by hotels, private residences and health spas.


View the linear wet room gallery

Four important steps to create your perfect wet room

OTL offers formers suitable for square gratings, long linear channels and level access wet rooms.  The complete assembly is made in the UK at the OTL factory, giving full control of the manufacturing process including bespoke design, quality control and quick delivery. Alongside this, we have a range of wet room channel drains to compliment your bathroom design.

1Linear wet room formers

  • As soon as the water hits the floor, the 24mm thick OTL former ensures that the water runs freely towards the gully.
  • OTL linear grating formers are easy to use and reduce labour time on installation and have a thirty year lifetime guarantee.
  • OTL linear grating formers give you the option to have a wet room within a confined space.
  • OTL linear grating formers allow more than one drain to be included within the channel.

Learn more about formers


  • The OTL tanking, or waterproofing, system is a vital part of a wet room.  The flexible liquid rubber tanking system has been developed specifically to eliminate the problem of leaks from tiled floor wet room areas.
  • The tanking system can be applied to wood, plasterboard, MDF, concrete screed and most commonly used construction boards.
  • The OTL tanking compound is a solvent free and silicone compatible sealing compound for flexible sealing of wet rooms, bathrooms and shower areas prior to the application of ceramic tiling.  The OTL tanking system can resist normal movement in the room and will not become brittle with age.

Learn more about tanking

3Linear channels and gratings

  • OTL has introduced a service offering bespoke linear channels and gratings in response to the increasingly diverse nature of wet room design.
  • In addition to five stock sizes, OTL can also produce linear channels and gratings in any length and with multiple outlets if required to handle a greater volume of water.
  • There are six grating styles available to complement varied bathroom design in fine grain brushed stainless steel or superior polished chrome plate on brass.

Make Your Selection

4Shower screens and doors

  • All OTL screens and enclosures are designed with a frameless, minimalist style.
  • Pleasing to the eye but extremely practical and functional, OTL screens and enclosures ensure the highest quality and safety standards are adhered to for the benefit of you and family.
  • The OTL range of glass and hardware is rigorously tested to meet European standards so that it has the versatility to be incorporated within domestic and commercial situations.

Get the finishing touch