Help with Selections

Circular Diffusers

Circular ceiling diffusers typically offer vertical/horizontal adjustability with 360 deg throw over a broad range of duties, and work efficiently even without ceiling effect.

  • Style:
    Styles - louvre, perforated / plain faceplate
  • Air Properties:
    Supply / Extract
  • Mounting Options:
    Mounting in ceiling / stub duct
  • Installation Locations:
    For offices, shops, large spaces
  • Product Options
    Options - damper, plenum box
Click here to view product ranges

Swirl Diffusers

Swirl diffusers successfully combine aesthetics and excellent air mixing characteristics; they are available in a large variety of styles to suit all ceiling types.

  • Style:
    styles - fixed / adjustable blades, vane / fan swirls, perforated face, concealed
  • Air Properties:
    Supply / Extract
  • Mounting Options:
    Mounting in ceiling (tile replacer, burgess, tegular) / stub duct
  • Installation Locations:
    For offices, shops, large spaces
  • Product Options
    Options - damper, plenum box, actuator
Click here to view product ranges

Jet Diffusers

Jet diffusers are designed to provide long throws and handle high air volumes.  They are suited to large spaces, with 360 deg adjustability and a choice of air patterns from a tight, long jet to diffusion spread.

  • Style:
    Styles - circular nozzles, rectangular drum jet, reversible louvre jet
  • Air Properties:
    Supply / Extract
  • Mounting Options:
    Mounting in ceiling / bulkhead / stub duct
  • Installation Locations:
    For large spaces - auditoria, terminal buildings, sports halls, factories
  • Product Options
    Options - damper, mounting plate, duct collar
Click here to view product ranges

Valves

Valves are small circular terminals typically used to handle air volumes below 120l/s in toilets, washrooms or any small rooms.

  • Style:
    Styles - metal / polymer, plain / perforated face
  • Air Properties:
    Supply / Extract
  • Mounting Options:
    Mounting in ceiling / bulkhead / stub duct
  • Installation Locations:
    For small spaces - toilets, washrooms, residential applications
  • Product Options
    Options - fusible link, tamper-proof lock, damper plate, duct collar
Click here to view product ranges

Linear Diffusers

Linear diffusers are traditionally selected for their clean, crisp style and efficient air distribution. Highly versatile, they are recommended for VAV systems and provide high-induction, low noise tailored air diffusion.

  • Style:
    Styles - 1-8 slots / 1- or 2-way / barrel / continuous or dash-line
  • Air Properties:
    Supply / Extract
  • Mounting Options:
    Mounting in ceiling / bulkhead / wall
  • Installation Locations:
    For offices, shops, computer suites, laboratories
  • Product Options
    Options - curved, end caps, frames, corner unit, light baffle, equaliser, plenum box, facetted
Click here to view product ranges

Linear Grilles

Airline linear grilles constitute an ideal combination of sleek aesthetics and functionality. The vast choice of styles, frames, fixings and options offered by Waterloo makes it an extremely versatile terminal.

  • Style:
    Style - 3mm / 6mm blades, blade angle 0deg / 15deg / 45deg, 3 frames
  • Air Properties:
    Supply / Extract
  • Mounting Options:
    Mounting in wall / ceiling / sill
  • Installation Locations:
    For offices, shops, halls
  • Product Options
    Options - fixings, frames, blade pitch, curved, damper, rear blades, core only, plenum box
Click here to view product ranges

Perforated Face Diffusers

Unobtrusive yet effective, perforated face diffusers lend themselves to a variety of applications and can be used as supply (adjustable multi-directional terminal) or extract with the same appearance.

  • Style:
    Style - flanged / tile replacer / canopy / flush / laminar flow / modular
  • Air Properties:
    Supply / Extract
  • Mounting Options:
    Mounting in Ceiling
  • Installation Locations:
    For offices, shops, halls, kitchens, hospitals
  • Product Options
    Options - fixings, frames, damper, pan adaptor, plenum box
Click here to view product ranges

Square and Rectangular Diffusers

From the universal 4-way architectural diffuser to our Luminaire diffuser, our multi-directional terminals are suited for most applications up to 600l/s per 600sq ceiling tile and almost any ceiling system.

  • Style:
    Style – flanged / recessed / tegular / curved blade / luminaire / polymer
  • Air Properties:
    Supply / Extract
  • Mounting Options:
    Mounting in ceiling
  • Installation Locations:
    For offices, shops, halls
  • Product Options
    Options – fixings, frames, damper, light baffle, plenum box
Click here to view product ranges

Square and Rectangular Grilles

Waterloo offers a complete range of grilles suitable for wall, ceiling and duct mounting. Available with a choice of fixed or adjustable blades, in a variety of styles to suit any aesthetic requirements, made of aluminium or polymer.

  • Style:
    Style – adjustable (single/double deflection) / fixed blades, eggcrate, perforated
  • Air Properties:
    Supply / Extract
  • Mounting Options:
    Mounting in wall / ceiling / duct
  • Installation Locations:
    For any applications
  • Product Options
    Options – fixings, frames, damper, rear blades, core only, plenum box
Click here to view product ranges

Security Grilles

Waterloo security grilles have been designed in conjunction with the prison service for safe and secure ventilation in detention cells or secure buildings. Available in 3 levels of security.

  • Style:
    Style – from anti-ligature front plate only to secure rear fixing for maximum security
  • Air Properties:
    Supply / Extract
  • Mounting Options:
    Mounting in wall / ceiling
  • Installation Locations:
    For detention cells, prisons, secure buildings
  • Product Options
    Options – faceplate only, fire block, damper, plenum box
Click here to view product ranges

Floor Grilles & Diffusers

Floor grilles and diffusers are typically required to meet a variety of requirements in terms of point load, floor system or applications, and Waterloo’s extensive range offers solutions to most situations.

  • Style:
    Style – circular diffuser, linear / tile replacer, light / heavy / extra heavy duty
  • Air Properties:
    Supply / Extract
  • Mounting Options:
    Mounting in floor (raised floor, lay-in) / wall / sill
  • Installation Locations:
    For most buildings, particularly data centres, computer rooms
  • Product Options
    Options – corner sections, damper, blanking plate, plenum box, antistatic nylonic coating
Click here to view product ranges

Plenum boxes

Our proprietary range of plenum boxes guarantees a good mixing of the air prior to diffusion through the terminal, as well as providing flow control, acoustic / thermal insulation where required.

Note – any performance data provided for Grilles & Diffusers is valid only for use with Waterloo plenum boxes.

  • Style:
    Style – high - or low - line to suit any spigot size, made to suit your ductwork configuration
  • Air Properties:
    Any size spigot, side / end / top entry
  • Operation:
    For any grilles & diffusers
  • Product Options
    Options – 6mm lining, spigot / box damper, light baffle, equalising grid
Click here to view product ranges

Control options

Dampers and deflectors are particularly useful in regulating the amount of air going through a supply air terminal or rectifying its course.

  • Style:
    Style – opposed blade / flap dampers, linked / individually adjustable
  • Operation:
    Operation – screwdriver, cord, lever, quadrant
  • Product Options
    For most plenum boxes
Click here to view product ranges

Transfer & Door Grilles

Air transfer grilles allow air movement between adjacent rooms, providing added benefits like Non-vision, No-sight No-light, fire protection or acoustic properties in a choice of frames for door-, wall- or partition-mounting.

  • Style:
    Style – no-sight, no-light, fire-rated, cross-talk reduction, polymer
  • Air Properties:
    Transfer
  • Mounting Options:
    Mounting in door / wall / partition
  • Installation Locations:
    For any buildings
  • Product Options
    Options – frames, fixings, core only, intumescent fire block
Click here to view product ranges

Aircell Polymer Range

The Aircell Grilles and Diffusers are injection moulded in self-coloured white engineering polymer. Multi-purpose, cost effective terminals, particularly suited to chlorinated environments (swimming pools) or high cleaning regime areas (hospitals).

  • Style:
    Style – class “0” fire rated ABS, RAL9010, fixed blade / adjustable
  • Air Properties:
    Supply / Extract / Transfer
  • Mounting Options:
    Mounting in ceiling / door / wall / partition / floor
  • Operation:
    For any buildings, particularly hospitals, chlorinated environments
  • Product Options
    Options – damper, plenum box, blanking plate, neck reducer
Click here to view product ranges

External Louvres

External louvres are used for air intake and exhaust whilst minimising rain, leaves, animal and sand ingress. Waterloo’s range offers additional benefits such as adjustability, acoustic properties, non-vision or penthouse construction.

  • Style:
    Style – small / large format, fixed / adjustable blades, panel / penthouse
  • Air Properties:
    Air intake / Exhaust
  • Mounting Options:
    Mounting on vertical / mansard surface
  • Installation Locations:
    For any buildings
  • Product Options
    Options – frames, fixings, continuous effect, bird/insect screen, drip sill, motorised
Click here to view product ranges

Displacement Diffusers

A complete range of recessed, semi-recessed, rectangular or curved units in galvanised steel or stainless steel. Designed to integrate seamlessly into any installation, our displacement units combine excellent performance characteristics and aesthetically pleasing profiles.

  • Style:
    Style – recessed, semi-recessed, free-standing, rectangular, round, semi-circular, bow-shaped
  • Air Properties:
    Displacement supply
  • Mounting Options:
    Mounting in floor / wall / corner
  • Installation Locations:
    For offices, shops, halls
  • Product Options
    Options – decorative base, ducting, reinforced plate, damper, plenum box
Click here to view product ranges

Chilled Beams

Our high output chilled beams can be used for heating or cooling ventilation. They are available in a standard format or can be designed, built and tested to suit your project. Multi-service beams provide additional benefits such as luminaires, sprinkler systems, Public Address systems, smoke detectors, PIR sensors, fresh air, BMS cables, voice and data cables, CCTV etc. Eurovent tested.

  • Style:
    Style – 2- / 3-/ 4-way, active / passive, heating / cooling
  • Air Properties:
    Active / passive
  • Mounting Options:
    Mounting in ceiling void / surface-mounted
  • Installation Locations:
    For commercial buildings, offices, shops, halls, hospitals
  • Product Options
    Options – nozzle, frame, fixing, facia, accessories
Click here to view product ranges

VAV

Waterloo offers a complete range of pressure-independent Variable Air Volume and Constant Air Volume dampers, with additional benefits such as acoustic insulation, actuators, BMS system, coil heaters.

  • Style:
    Style – single / double skin, circular / rectangular box, mechanical / motorised controls
  • Air Properties:
    Constant / variable air volume
  • Mounting Options:
    Mounting on circular / rectangular duct
  • Installation Locations:
    For any building
  • Product Options
    Options – acoustic insulation, spigot, controls, coil re-heating
Click here to view product ranges

Pressure Dampers

Used for room-to-room pressure control, our pressure dampers are available as a simple back pressure damper for coarse control, or pressure regulating damper for fine pressure adjustment.

  • Style:
    Style – flap damper / aerofoil blades, wall assembly
  • Air Properties:
    Supply / Exhaust
  • Mounting Options:
    Mounting on wall / partition / duct
  • Installation Locations:
    For industrial and commercial buildings, pressure regulated rooms, stairwells
  • Product Options
    Options – fixing, frame, pressure setting, finish
Click here to view product ranges

Air Volume Control Dampers

The Waterloo range of control dampers has been designed to provide positive control of airflow within ventilation and air conditioning systems. Available as simple control dampers or low leakage dampers.

  • Style:
    Style – flanged / circular spigot connection, manually / actuator-controlled
  • Air Properties:
    Supply / Extract
  • Mounting Options:
    Mounting in duct
  • Installation Locations:
    For any buildings
  • Product Options
    Options – low leakage, manual / motorised control, connection
Click here to view product ranges

Specials

Waterloo’s complimentary made-to-order programme and fluency with the design and manufacture of bespoke air terminal devices will always allow you to realise your vision.

  • Style:
    Design
  • Air Properties:
    Styles
  • Mounting Options:
    Architectural design
  • Operation:
    Flexibility
Click here for more detail
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