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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.

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
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
Bespoke textile air socks for HVAC from 150mm diameter upwards
Textile diffusers - also known as air socks, textile ventilation and fabric ducts - are manufactured bespoke to suit each application. Heating, cooling, and tempered fresh air, or a mixture of all three, can be provided. Prihoda holds different types of duct material in stock, and each system is made to order. The most common materials are
Fabric ducting for sports hall ventilation
Prihoda can address all issues with sports hall ventilation with its bespoke fabric ducting. Sports hall ventilation often combines the worst circumstances for trying to make a project work. Ducts are usually mounted at a high level, often over 10m, and supply air temperatures tend to be quite a bit warmer than the ambient room temperature
Fabric ducting for school / academy ventilation
Prihoda fabric ducts are textile-based air distribution systems designed to deliver fresh air and air movement in educational environments. These ducts are made from cleanroom non-fibre shedding material and are flame retardant, meeting European and US regulatory standards. The system enables even air distribution at low noise and velocity levels
CS RSV-5700 - high-performing aluminium rain defence louvres
High-performing louvres with vertical blades and visible mullions, offering excellent protection against wind-driven rain penetration and good airflow. Complex extruded blade design in vertical arrangement for maximum rain defence performance (Class A up to 3.5m/s). Multiple channels in blades and other vertical components to collect and drain- PRODUCT
Construction Specialties
CS Bold Line B-7505 Rain Defence Louvres
Bold Line rain defence louvres utilising two blade depths to allow creation of unique façade designs, customised with patterns, colours and shadow lines: complex extruded blade design featuring multiple channels for effective rain defence performance (Class A up to 2.5 m/s); choice of mullion styles, accent blade arrangements and colours for a- 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
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 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
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 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
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 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
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
Fresh air ventilation fabric ducting systems
Prihoda designs and installs ‘make up air’ or ‘fresh air’ systems for rooms by providing high-level ducting which runs the length of the room, delivering fresh air evenly into the space all along the length of the duct. Using their unique micro-perforation system Prihoda can either deliver the air evenly around the duct circumference or can laser
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
CS RS-5605 - high-performing aluminium rain defence louvres
High-performing louvres with vertical blades and visible mullions, offering maximum protection against wind-driven rain penetration (Class A up to 3.5m/s) combined with excellent airflow (Class 1). Complex extruded blade design in vertical arrangement for maximum rain defence performance. Channels in louvre blades to collect and drain water from- 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
Fabric Ducting Shapes - fabric air ducts for HVAC and ventilation systems
Prihoda fabric ducting is a textile air distribution system designed for efficient air delivery in commercial and technical spaces. Made from specialist fabrics, it is available in round, half-round, quarter round, ellipse, sector, square, and rectangular shapes to suit different ceiling heights, room layouts, and airflow needs: textile ducting
CS RS-4605 Rain Defence Louvres
106mm-deep high-performance louvre offering protection against wind-driven rain penetration and good airflow. Suitable for installation in shallow openings or curtain walling: complex extruded blade design in vertical arrangement for maximum rain defence performance; visible mullions to line up with other façade elements; if preferred, invisible- PRODUCT
Construction Specialties
Prihoda Fabric Ducting - polyester air ducts for theatre and cinema use
Prihoda Fabric Ducts for Theatre & Cinema Ventilation are textile-based air distribution systems made from matte black flameproof polyester, designed to manage air flow and acoustics in venues while reducing installation time and cost compared to rigid ducting: textile ducting system for controlled air distribution in theatres and cinemas
Prihoda Fabric Ducting - fabric air ducts for arena ventilation
Prihoda Fabric Ducts for Arena & Concert Hall Ventilation are made from fabric and designed to deliver high air volumes at low velocity across large spaces, reducing noise and cost compared to rigid ducting. Custom colours and graphics are available for branding or design integration: fabric ducting system for large arenas and concert halls; low- PRODUCT
Prihoda UK Ltd
Fabric ducting for hospital ventilation
When it comes to ventilation, hospitals present a very particular challenge. Airflow requirements for hospitals and other healthcare facilities go beyond comfort and air quality: they are part of an entire system designed to support healing, provide infection control, and prevent the spread of airborne pathogens. Hygiene is an integral part of- PRODUCT
Prihoda UK Ltd

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