Roof Penthouse Louvre - Residential (RPL-R)

Product features and details.
Roof Penthouse Louvre Description

The Sertus Roof Penthouse Louvre – Residential (RPL-R), also known as turret louvre, are roof mounted ventilation terminals, suitable for performing both intake and exhaust functions.

Commonly used in natural ventilation applications, penthouse louvres allow temperature differentials and the force of the wind to be used in place of energy intensive forced ventilation. This can present significant savings of both cost and energy over the life of a building.

Penthouse louvres are manufactured to order and are available with a comprehensive range of options to both functionality and appearance, including integrated volume control dampers and internal dividers.

Specific Features
  • Roof mounted ventilation terminals, also known as turret louvres
  • Single bank of blades, spaced at a 75mm pitch
  • Laser cut apex roof as standard
  • Suitable for intake and exhaust applications
  • Comprehensive range of options to enhance functionality and appearance

Louvre body: Extruded aluminium, BZP steel screws

Roof: Laser cut galvanised steel as standard (aluminium or stainless steel optional)


WL75 type – 75mm pitch with 45° face slope


Standard: To suit raised curb

Optional: To suit flat roof




Standard: Bare metal

Optional: Polyester powder coated to any standard RAL colour

Free Area

Sertus RLP-R75 approximately 50%

Important Notes
  • Free area is not a reliable guide to performance.
  • It is possible to have two louvres with identical geometric free areas but different airflow characteristics.
  • Wherever possible use a tested airflow coefficient, as stated on the following page or available in the test certificate for WL75 louvres which is available on request.
For all information regarding this product please download its datasheet.

Installation instructions

Form Upstand
Mount Vent
Complete Connections
Get the installation guide.
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