*Update November 2023*

We are open Monday-Saturday 9am-5.30pm and Sundays 10am-4.30pm

Please feel free to come and visit our showsite, alternatively if you would like to make an appointment please call or email us.

To discuss your requirements or for further information please call 01403 255456


Interested in a Conservatory or Solid Roof Extension?

Quotes – register your interest in a survey and quote

Brochures ūüďĖ can be emailed to you – Request one here

Looking for a Garden building / Garden Office?

Quotes – we can provide detailed prices and quotes for installation and bases – get in touch to discuss.

Brochures ūüďĖ can be emailed to you – Request one here

Cousins Conservatories & Garden Buildings

Hilliers Garden Centre, Brighton Rd, Horsham, RH13 6QA

01403 255 456

Call our friendly team 7 days a week for help and advice

Open 7 Days a Week

Mon - Fri 09:00 - 17:30
Saturday - 09:00 - 17:00
Sunday - 10:00 - 16:30

Garden Building Roof Vents

Natural light & ventilation solutions for all types of garden buildings

Garden Building Roof Vents

The Activent Roof-vent – The activent is manufactured in one size and is supplied ready for installation, including fixings and trims. We also offer an installation service.


Features and specification

  • ¬†Robust extruded aluminium
  • ¬†Powder coated for long term exposure to weather
  • ¬†Tough 4mm clear acrylic glazing
  • ¬†Opens to 25/30 degrees
  • ¬†Fully weather tight
  • ¬†Robust fixings using 6mm bolts
  • ¬†Low profile, less than 42mm total height
  • ¬†All stainless steel fixings
  • ¬†Solid cast zinc hinges
  • ¬†Simple casement opening and locking mechanism
  • ¬†Suitable for all felt covered roofs
  • ¬†Suits any pitch from 5 to 45 degrees
  • ¬†Light weight, less than 3kgs
  • ¬†Safe and secure
  • ¬†Simple installation, ideal for DIY retro-fitting
Activent installed on a Regency Barn