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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.

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
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
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
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
Anti-ligature ventilation grille - steel cover for secure air vents
Contour anti-ligature ventilation grilles are made from 1.5mm Zintec or Magnelis steel and designed to reduce ligature risks in mental health and care environments by covering standard ventilation grilles. Grilles have an IP3X rating, antimicrobial powder coating and security fixings for authorised access. Standard and bespoke sizes available- PRODUCT
Contour Heating Products
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 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
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
Resource-efficient recycled fabric ducting
Prihoda is the only global fabric ducting manufacturer to offer 100% post-consumer recycled material made entirely from used plastic water bottles. Every single square metre of ducting used saves 13 plastic bottles from landfill (500ml bottles). The ducts are also flame retardant, antibacterial and non-fibre-shedding to clean room quality. They
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
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 3.5m/s) with excellent airflow performance (Class 1).Vertical and horizontal blade- PRODUCT
Construction Specialties
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
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 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
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
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
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
Fabric ducting air conditioning for quiet spaces
Fabric ducting provides a quiet, velocity-free alternative to traditional ventilation systems and air conditioning cassettes in offices and other noise-sensitive spaces. It is important to make sure that users of a space are comfortable - employees are more productive, customers continue to shop, and audiences will return to theatres if they are- PRODUCT
Prihoda UK Ltd
Fabric ducting systems for restaurants
Prihoda specialises in fabric ducting systems for air ventilation in a wide range of commercial and retail environments, including restaurants. Systems can be designed and installed for new-build projects, or as replacements for existing traditional ducting systems. Compared to traditional ducting systems, Prihoda fabric ducting offers several key
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
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
A-2097 slimline ventilation louvres
A-2097 shallow ventilation louvre at 53mm deep, with a 48mm horizontal blade pitch. Designed for space-limited applications where airflow, particularly mechanical extract is the priority. Can be specified in compact sizes from 100mm x 180mm, suited to curtain walling, residential buildings, and storefronts. Features and benefits slimline
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
Prihoda Art - fabric ducting systems in custom colours
Prihoda Art is a service for printing special colours, images and graphics onto fabric ducting systems. The service allows designers and specifiers to create colourways that either contrast or blend, or apply branding to fabric ducting systems. Prihoda uses stable fabric weaves which are flame retardant and non-fibre shredding - the smooth

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