Aluminum Circular Rainproof Louvre Wind Cap Villa Attic Ventilation Hole Exhaust Port Rainproof Register Grille for Window

Descripción

El rainproof louvre wind cap from Vanorm is a high-performance aluminum ventilation solution engineered for villa attics, window exhaust ports, and commercial building ventilation systems. With a circular rainproof louvre design, it effectively blocks rainwater ingress while maintaining continuous airflow — a proven choice for architects and contractors who refuse to compromise between weather protection and ventilation efficiency.

7 Proven Benefits of a Rainproof Louvre Wind Cap for Your Ventilation Project

Why do building professionals choose a rainproof louvre wind cap over standard vent covers? The difference lies in our engineered rainproof louvre geometry. Unlike conventional pressed louvers that allow water penetration even when closed, each blade on our rainproof louvre wind cap features integrated water-collection grooves and drip-tray side frames. Here are the measurable advantages our clients report:

Primero, rainwater exclusion under heavy storm conditions. Our louvre blades are tested to prevent ingress even at 50 mm/h rainfall intensity, making this rainproof louvre wind cap suitable for exposed coastal and high-rainfall regions. Segundo, the circular aluminum body provides structural rigidity that rectangular alternatives cannot match, reducing deformation risk during installation and long-term use.

Third, maintenance-free operation. El rainproof louvre wind cap has no moving parts — no motors, no hinges, no seals to degrade. Once installed, it performs silently for decades. For facility managers overseeing multiple properties, this eliminates a recurring maintenance line item. As noted in industry guidelines from ASHRAE, passive ventilation components that require zero energy input and minimal upkeep deliver the highest long-term ROI in building envelope design.

Rainproof Louvre Wind Cap Technical Specifications

Nuestro rainproof louvre wind cap is manufactured in 9 standard diameters ranging from 80 mm to 240 mm internal, covering the vast majority of residential and light commercial duct sizes. Each unit ships as a complete assembly — no additional sealing rings or mounting hardware required. For OEM buyers and wholesale distributors, we offer custom color matching to RAL standards and private-label packaging.

Descripción del Producto

La rejilla impermeable prensada no tiene la función de prevención de lluvia en su diseño.. Incluso cuando está bien cerrado, el agua de lluvia todavía puede entrar por los huecos. La rejilla a prueba de lluvia se utiliza en salas de máquinas u otros lugares públicos que requieren ventilación., prevención de lluvia, aislamiento térmico, y regulación del flujo de aire. It consists of rain-proof blades with water collectiongrooves, marcos laterales con bandejas de goteo, y palas reguladoras aerodinámicas. Incluso bajo lluvia intensa, la rejilla a prueba de lluvia puede evitar eficazmente que el agua de lluvia entre en la habitación, y no se formará ninguna cortina de agua en el lado de barlovento de toda la rejilla a prueba de lluvia, cumpliendo así con los requisitos normales de ventilación de diseño..

Especificación

Especificación	Diámetro exterior	Diámetro interno	altura	ancho
80	150milímetros	80milímetros	40milímetros	25milímetros
100	150milímetros	100milímetros	40milímetros	25milímetros
120	170milímetros	120milímetros	40milímetros	25milímetros
150	200milímetros	150milímetros	40milímetros	25milímetros
160	200milímetros	160milímetros	40milímetros	25milímetros
180	225milímetros	180milímetros	40milímetros	25milímetros
200	250milímetros	200milímetros	40milímetros	25milímetros
230	275milímetros	230milímetros	40milímetros	25milímetros
240	300milímetros	240milímetros	40milímetros	25milímetros

For related ventilation and building envelope products, explore our aluminum ventilation product range. Our engineering team also provides custom OEM manufacturing solutions for industrial component buyers who require tailored specifications.