Thermac Single Shower Self Contained Welfare Decontamination Unit

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Thermac are leaders in the design, manufacture and servicing of a wide range of welfare units and decontamination/hygiene units.

Our units are built and maintained by engineers who are qualified to install and inspect LPG and electrical systems and each unit fully conforms to HSG 247, VOSA and other required legislation.

A key focus of our design philosophy is to incorporate features to make their use as maintenance and trouble-free as possible – and therefore cost effective.

The body is constructed of GRP-faced ply-board, polished to both sides to give a robust, easy-to-clean finish. All of the floor areas are covered with hard wearing fibreglass gel coat to maximise durability. 

This unique unit combines a self-contained decontamination facility and a canteen area, as well as toilet facilities for operatives, into a single road-towable unit. This construction saves valuable space, time and towing logistics. 

It is ideal for confined locations and is particularly useful where space is of the essence. 

The body is constructed of GRP-faced ply-board, polished to both sides to give a robust, easy-to-clean finish. All of the floor areas are covered with hard wearing fibreglass gel coat to maximise durability. 

Key Features

The unit consists of three key sections: 

1)            Decontamination/Hygiene Area


2)            Welfare Facilities


3)            Toilet Facilities 

For ease of use the LPG generator, gas bottles, waste pump, waste water filter and cassette toilet can be externally accessed via purpose-built hatches. 

Drain taps are also fitted at various points around the unit and are clearly marked for easy location. 

The unit comes with all necessary warning signs and the graphics can also be fully customised to a customer’s requirements. 

Decontamination/Hygiene Area 

The Hygiene Area consists of the standard clean, shower and dirty areas: 

Clean End: 

  • Textured fibreglass covered floor and lower wall 
  • Lockable sealed external door with vent 
  • Four personnel lockers 
  • Light, tube heater and 4 mains sockets 
  • Mirror and hooks 
  • Pumped waste water filter system on/off switch 
  • Self-closing door from shower area 

Shower Area:

  • Fibreglass covered floor and lower walls
  •  Single shower
  •  Water drain points
  •  Mirror and hooks
  •  Self-closing doors from dirty and clean ends
  •  Light 

Dirty End:

  • Fibreglass covered floor and lower walls
  •  Removable air extraction unit beneath folding seat
  •  Mirror and hooks
  •  Light
  •  Self-closing door from exterior with aluminium frame for connection to the enclosure
  •  Pumped waste water filter system on/off switch
  •  Tube heater 

Digital Flow Meter

 Readings can be taken from the real time digital flow meter from the outside of the unit through the inspection hatch. 

Welfare Facilities

 The Welfare Facilities consist of a canteen area with seating, cooking and beverage making areas along with an adjacent toilet.

 Canteen Area:

  • Vinyl covered floor, with bench over on-board water tank
  •  Stainless steel hand wash basin
  •  Carbon Monoxide Detector
  •  Worktop area
  • Mains consumer Unit and 2x 13a sockets
  • Mains 750w kettle and 750w microwave (supplied)

 Toilet Facility:

  • Electric flush cassette toilet with roof vent 

Optional features available within the canteen area include a fold down table and an opening window.


 In addition to the accessories already mentioned, Thermac units come complete with: 

  • 15m 240v armoured cable and plug-in RCD 
  • 2x 15m braided hose (Fresh water and waste) 
  • 4 sets of double steps 
  • Propane gas regulators and isolating valves 
  • Grab Handles on corners 
  • Corner steady key 
  • 2 x gas bottles and spanner 
  • Earth rod and fly lead 
  • 2 x waste water filters 
  • Negative pressure unit fitted with real time digital flow meter
  • Carbon monoxide detector 

Extras available for this unit:

  • Hitch Lock (Enclosed Type)
  • Wheel Clamp
  • Replacement 5 Micron Water Filter
  • Optional 240v Power Points
  • Spare Wheel and Tyre
  • Fire Extinguisher - 1kg Dry Powder
  • First Aid Kit
  • Soap Dispensers
  • High Level Side Marker Lights 

Service and aftersales support:

 The unit comes with an NICEIC electrical certificate and the gas appliances are fitted, tested and certified to conform to all current gas safety regulations. 

Each unit is supplied with free user-training, warranty and all relevant test certification. Each unit is also automatically logged onto Thermac’s computerised auto-recall system: this informs the owner when each re-test is required to ensure ongoing compliance and safety. For added security Thermac units are fitted with the DATATAG® security system.