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Building ventilation
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Building ventilation for commercial, industrial and residential environments. Mechanical and natural systems for air supply and extract. Air handling units, fans, ductwork, grilles, diffusers and louvres. Heat and energy recovery, demand-controlled ventilation and CO2 monitoring. Fire and smoke dampers, silencers and filters. Kitchen and fume extract. Controls, sensors and BMS integration.
Building ventilation - helping you find the best solution for your project.

B-6485 Bold Line - aluminium ventilation louvres
Bold Line ventilation louvres utilise two blade depths to allow creation of unique façade designs, customised with patterns, colours and shadow lines. Widely spaced extruded blades for maximum airflow performance. Choice of mullion styles, accent blade arrangements and colours for a truly bespoke façade- PRODUCT
Construction Specialties
Heating Fabric Ducting - polyester air duct for efficient room heating
Non-permeable material is used when heating with Prihoda fabric ducting so that all of the air exits the diffusers to travel to the occupied zone. Prihoda offers a range of diffusers which suit a large variety of applications. Most popular are laser-cut perforations, which start at Ø4mm and can be cut at any size above this. So Prihoda can make a
Prihoda Fabric Ducts - textile air ducts for laboratory ventilation
Prihoda Fabric Ducts for Laboratory Air Ventilation are made from textile material and act as both ducts and diffusers, delivering large volumes of air at low velocity for even, controlled distribution. Only textile-based system with ISO4/Class 10 cleanroom quality as standard, designed for laboratories needing high air change rates: textile duct
Fabric Ducting - polyester air duct for efficient Cooling/refrigeration
Fabric ducting delivers cool air. The high diffusion area of a fabric duct allows large volumes of air to escape through the weave and the diffusers at very low velocity, proving many kW of cooling capacity with very comfortable working conditions. The permeable weave of the fabric ducting allows air to exit at every point on the duct
Louvred ventilation panels
Panels are made to custom sizes from a range of fixed blade steel louvres and are generally framed with an angle section for fixing into the structural opening. Bird mesh or insect screen can be provided. Applications: housing for mechanical plant; ventilation grilles; compounds; architectural screens
Textile diffusers for fitness centres and gyms
Prihoda designs, manufactures and supplies fabric ducting systems for fitness centres and gyms. For large open gyms and other fitness venues, fabric ducting can provide an optimal air distribution system where more traditional rigid systems may struggle or become expensive. Often large sports halls suffer from quite low air volumes and quite large
CS aluminium ventilation louvres
CS offers a range of ventilation louvres that provide the maximum airflow required, while offering a degree of protection against wind-driven rain ingress. They are commonly used for projects where economy is the main consideration, high free area is important, and occasional water penetration will not cause major problems- PRODUCT
Construction Specialties
CS A-3200 - modular aluminium ventilation Louvres
Modular ventilation louvres offering excellent airflow and a degree of rain defence, offered with a choice of visible or hidden mullions to create desired effect on the façade. Simple blade design affords excellent airflow and low pressure drop. Delivered to site as pre-fabricated modules for efficient installation. Horizontal blades- PRODUCT
Construction Specialties
Prihoda Fabric Ducting - textile air ducts for retail ventilation systems
Prihoda Fabric Ducts are textile-based air ventilation systems made for large retail and supermarket spaces, combining duct and diffuser in one product to deliver air where needed and reduce installation costs: textile air ventilation system for large open commercial spaces; can save up to 70% on installation costs compared to rigid ducting
CS PL-5700 - aluminium rain defence louvres
Concealed behind an attractive perforated skin, Perform PL-5700 louvres offer excellent weather performance, combined with good airflow and sight screening. Complex extruded blade design in vertical arrangement for maximum rain defence performance (Class A up to 3.0m/s). Multiple channels in blades to collect and drain water from the louvred area- PRODUCT
Construction Specialties
SquAireTex - textile diffusers for lay-in grid ceilings
SquAireTex ceiling tile air diffusers are intended for installation in a lay-in grid ceiling. Depending upon the design they distribute air along the ceiling structure in a swirling manner or in one or more specific directions. Made from an aluminium frame and lightweight flame-retardant polyester fabric they are designed to weigh no more than the
CS RS-5900 - high-performing aluminium rain defence louvres
High-performing louvres with vertical blades and visible mullions, offering excellent protection against wind-driven rain penetration and very good airflow: complex extruded blade design in vertical arrangement for maximum rain defence performance (Class A up to 3.5m/s); channels in louvre blades to collect and drain water from the louvred area- PRODUCT
Construction Specialties
CS A-4050 Ventilation Louvres
Continuous line ventilation louvres offering very good airflow and some rain defence: wide-pitched extruded blade design for maximum airflow performance; blades designed to offer some protection from wind-driven rain in lower face velocities; hidden mullions for a continuous blade appearance on the façade; easy to install - delivered to site in- PRODUCT
Construction Specialties
Cleanroom Air Ventilation - polyester fabric ducting for cleanrooms
Prihoda Fabric Ducts for Cleanroom Air Ventilation are non-fibre shedding ISO4 (Class 10) textile air distribution systems made from washable polyester, designed to deliver particle-free air and maintain high cleanliness standards in cleanrooms: textile air ducting system for cleanroom ventilation; made from non-fibre shedding ISO4 (Class 10
CS A-4080/A-4085 - modular aluminium ventilation louvres
Modular ventilation louvres offering very good airflow and some rain defence, offered with a choice of visible or hidden mullions to create desired effect on the façade. Widely-spaced extruded blades for maximum airflow performance. Designed to offer some protection from wind-driven rain in lower face velocities. Delivered to site as pre-fabricated units- PRODUCT
Construction Specialties
CS A-3250 - continuous-line aluminium ventilation louvres
Provide excellent airflow and a degree of rain defence. Simple blade design affords excellent airflow and low pressure drop. Hidden mullions for continuous blade appearance on the façade. Easy to install solution, delivered to site in component form. Optional perimeter flashings and cill pan can be supplied. Horizontal blade orientation- PRODUCT
Construction Specialties
DeltaWing steel ventilation louvres
DeltaWing is a pressure-locked louvre with a sharp contemporary appearance. The manufacturing process allows for a choice of spacings between the louvred blades, in increments of 11mm. A panel can therefore provide the amount of screening/free area to meet the particular requirements of each project. The 20x2mm vertical bars are generally spaced
CS PL-4080 - aluminium ventilation louvres
Concealed behind an attractive perforated skin, Perform PL-4080 louvres offer good airflow and weather performance. Widely-spaced extruded blades for maximum airflow performance.Perforated aluminium face conceals the louvre while offering modern appearance. Screen can be supplied anodised or powder-coated. Louvre modules are powder-coated- PRODUCT
Construction Specialties
CS RSH-5700 - aluminium rain defence louvre
High-performing louvres with horizontal blades and visible mullions, offering effective protection against wind-driven rain penetration, and good airflow. Complex extruded blade design for maximum rain defence performance (Class A up to 3.5 m/s). Multiple channels in blades and vertical components to collect and drain water from the louvred area- PRODUCT
Construction Specialties
Prihoda Fabric Ducts - fabric air ducts for food industry ventilation
Prihoda Fabric Ducts for Food Industry Ventilation are ceiling-mounted air distribution systems made from smooth, cleanroom-quality, non-fibre shedding material, designed to deliver high air volumes for cooling in food production areas while maintaining low air velocity and consistent temperature control: ceiling-mounted fabric ducting system for
A-6177 Ventilation Louvres
Modular ventilation louvre with excellent airflow performance, ideal for applications with permanent mechanical extract ventilation such as data centres. Wide blade pitch to maximise airflow performance; channels in blades and vertical sections help to collect and drain away rain water; visible mullions to line up with other façade elements- PRODUCT
Construction Specialties
CS Rain Defence Louvres
Rain defence louvres are used on buildings to allow the passage of air, whilst providing the area beyond them with effective protection from wind-driven rain penetration. CS best performing model - RS-5605 - combines maximum rain defence performance (Class A up to 3.5 m/s) with excellent airflow performance (Class 1): vertical and horizontal blade- PRODUCT
Construction Specialties
CS RSH-5700AL Rain Defence Louvres
High-performing louvres offering protection against wind-driven rain penetration, good airflow and a continuous line appearance on a façade: complex extruded blade design for maximum rain defence performance (A up to 3.5 m/s); multiple channels in blades and vertical components to collect and drain water from the louvred area; louvre blades are- PRODUCT
Construction Specialties
Textile air ducts for warehouse ventilation
In rooms with high ceilings and large volumes it is important to get the correct mix of throw and distribution to meet the needs of the space or product being stored / distributed. It’s impossible to give rooms like warehouse with huge volumes high air change rates. It’s all about distributing and targeting the air where it needs to be

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