Sawtooth roofs no better for winter light, say Dutch researchers

Glasshouse roofs with diffuse glass in a "sawtooth" profile of large south-facing panes alternating with short verticals, are no more efficient at transmitting light to the crop in winter than traditional Venlo-type structures, new Dutch research has found.

by Gavin McEwan
Venlo-type roof - image: HW
Venlo-type roof - image: HW

Sign in to continue

Sign in

Trouble signing in?

Reset password: Click here


Call: 020 8267 8121


  • 14 days limited access to subscriber-only content


From £275/pa

  • Full access to
  • Monthly print issue for 12 months
  • Keep track of competitors, market trends, and policy changes with sector specific email bulletins
  • Live email alerts from the pest and disease tracker 
  • New project leads and business prospects every week through the landscape leads service
  • Bespoke multi-user packages available

Choose a Package