ISL - Isolated Systems Limited

Industrial Noise Vibration &
Thermal Management Solutions



Weather Louvres


Weather Louvres


ISL have developed a range of weather louvres which are compact, aesthetically pleasing and offer all round weather protection. We have standard designs and construction methods but, in addition to this our design team are always coming up with bespoke designs to facilitate our clients varied needs. Our weather louvres are used in a diverse array of industries including HVAC, water & waste treatment, chemical industries, process engineering, off-shore, commercial and general manufacture. ISL works with architects, consultants, contractors, OEM’s & end users.



ISL design and manufacture many types of weather louvres, the type of design depends up on a variety of factors including environment, size, access, pressure drop and many other factors.

Extruded aluminium or light gauge pre-galvanised casings and blades which are generally a riveted or welded construction are used mainly for HVAC/ductwork industries.

Heavy gauge casings and blades, which are generally a welded construction, are used for more Industrial requirements.

The blades are shaped for rain ingress protection, improve airflow and reduced pressure drops.

All weather louvres are available in pre-galvanised mild steel, stainless steel, aluminium and polypropylene.



There are a variety of options available the most common ones are listed below.

Standard Depths – 50mm, 75mm & 100mm

Non Standard depths - can also be accommodated

Flanges– RSA, folded, etc

Finish – Self,  powder coated or wet sprayed to standard RAL/BS no.

Modular – For large weather louvres they can be supplied in suitably sized modules.

Mesh – Bird mesh or insect mesh


Standard Weather Louvres

ISL design and manufacture a range of weather louvres, which are more for the HVAC/Ductwork industry.


Industrial/Offshore Weather Louvres

ISL design and manufacture a number of industrial weather louvres that are suitable for all kinds of applications including offshore.