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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.

Ventiza Flex Radial Ducting System - semi-rigid plastic ventilation duct
Ventiza Flex Radial Ducting System is a semi-rigid ducting solution made from polypropylene with thermoplastic elastomer, designed for domestic mechanical ventilation with heat recovery (MVHR) systems. Allows continuous duct runs up to 50m with minimal connections, reducing air leakage and installation time. Antibacterial, antifungal, and- PRODUCT
- 3rd September 2026
Wavin
Mechanical Ventilation Units
Wavin Mechanical Ventilation Units is a range of independently tested ventilation systems for residential and commercial buildings, covering both heat recovery (MVHR) and mechanical extract (DMEV/CMEV) solutions. The range matches performance to property size for energy-efficient indoor air quality, and integrates with Sentio intelligent controls- PRODUCT
- 3rd September 2026
Wavin
Ventiza Flex Radial Ducting System - semi-rigid plastic home ventilation
Ventiza Flex Radial Ducting System is a semi-rigid ducting solution made from polypropylene with thermoplastic elastomer, designed for domestic Mechanical Ventilation with Heat Recovery (MVHR) systems. Supports continuous runs up to 50m with minimal connections, reducing air leakage and installation time. Antibacterial, antifungal, and antistatic- PRODUCT
- 18th August 2026
Wavin
Rain defence louvres for BREEAM Outstanding One Bank Street London
At One Bank Street, Canary Wharf, needed high-performance ventilation louvres that would keep rain out, with vertical blades to suit the design. Construction Specialties supplied 38 modular RSV-5700 rain defence louvres, covering about 300 m². Custom-sized, powder-coated to match the glazing and fitted with bird guards. Independently tested to EN 13030 and rated Class A up to 3.5 m/s- PROJECT
- 1st October 2026
Construction Specialties

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