Metal ventilation grill 1UL
rectangularexteriorfor facade

metal ventilation grill
metal ventilation grill
metal ventilation grill
metal ventilation grill
metal ventilation grill
metal ventilation grill
metal ventilation grill
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Interior/exterior use
for facade
Other characteristics


Colt 1UL Universal Louvre is a roll-formed or extruded single (1UL) bank system, used for screening and/or ventilation. It is very often used as plant room louvre, or indeed anywhere where plant needs to be covered up. 1UL is a single bank louvre system designed for screening or cladding applications when rain defence is not of primary importance. Where rain defence is needed, we recommend the use of either 2UL or 3UL. Features and benefits Highly aerodynamically efficient – this reduces air resistance, allowing the plant and the aperture to be minimised thereby saving running costs. Durable and maintenance free – UL is completely made from corrosion resistant materials. Thermal expansion of the louvres enabled – the louvres are clipped (and not riveted or screwed) to structural supporting mullions. Proven performance - UL has been tested to HEVAC 4th Edition. Easy to install – UL can either be delivered to site pre-assembled or as a kit of parts. A wide range of options - it is available in various shapes, configurations, materials, finishes and coatings to meet the requirements of almost any project. Louvres can be extruded or roll-formed; either mill finish, polyester powder painted or anodised; plain, perforated or stucco embossed. Louvre panels can incorporate mitred corners, special shapes and louvre doors. Colt also has a range of turret units. If noise reduction is required, acoustic louvre panels may be used. Colt UL louvre selection program “UL Select” is an Excel sheet which enables users to make their own selection of Colt louvre systems based on the weathering classification and aerodynamic performance required for the system.


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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.